Chapter 4: Physical Examination

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Welcome back to the Deep Dive.

Today we are stripping medicine down to its absolute studs.

We really are.

We aren't talking about the latest AI diagnostic tool or, you know, some breakthrough gene therapy that costs a million dollars a dose.

We are going back to the absolute bedrock of clinical practice.

We are talking about the physical examination.

It's the classic image of the doctor, isn't it?

I mean, the stethoscope draped around the neck, the reflex hammer in the pocket, the hand on the shoulder.

But what we're doing today is taking that iconic image and really decoding it.

We're doing a rigorous step -by -step walkthrough of

of Bates' Guide to Physical Examination and History Taking.

And for those who don't know, Bates is essentially the Bible of clinical skills.

It's the gold standard text that almost every medical and nursing student encounters.

So our mission today is very specific.

We are going to turn that text into a comprehensive audio companion.

If you are a medical student, a nursing student, or honestly just a patient who has ever sat on that crinkly paper table looking for right now,

this deep dive is for you.

Exactly.

And we need to set some ground rules because this is a massive topic.

It is.

We are sticking strictly to the text provided in Chapter 4.

We aren't going to tell war stories from the ER or bring in outside anecdotes about times we missed a diagnosis.

Right.

We want to understand the structure of the exam exactly as the textbook defines it.

Pure signal, no noise.

Okay, so let's start with the big picture introduced right in the intro because before you even wash your hands or put on a white coat, the text asks you to consider the context of the world we live in.

Right, the modern world.

We are practicing medicine in a time where I can get an MRI, a CT scan, and a genetic profile pretty easily.

Right.

The book frames this as the tech dilemma.

And it poses a really blunt question.

Does technology replace the hands -on exam?

Why do I need you to tap on my chest or listen to my back if I can just get a high resolution x -ray?

It's a fair question and one that gets asked a lot, you know, in clinics and classrooms.

But the text is very, very firm on its stance here.

And what is that?

It argues that while technology redefines the practice and expands what we can see, I mean, giving us views inside the body we never had before,

it absolutely should not replace the bedside exam.

Okay, so not

Bates makes the point that over -reliance on tests can compromise patient care just as much as over -reliance on the exam itself.

That's an interesting balance.

So it's not saying old school is better or technology is bad.

No, not at all.

It's about integration.

Precisely.

The text introduces a concept called the rational clinical examination.

And this is a key mental shift for anyone learning this stuff.

Rational clinical examination.

What does that mean in practice?

It means you shouldn't be doing maneuvers just for the sake of tradition or ritual.

You shouldn't just be going through the motions because that's what doctors have done for 100 years.

Okay.

You should view physical exam findings as diagnostic tests in their own right.

Meaning, if I hear a murmur or if I feel an enlarged liver, that is a data point with the same validity as a lab result.

Yes, that's the idea.

The chapter mentions recent studies that validate these findings by identifying their test characteristics.

Test characteristics,

like sensitivity and specificity.

Exactly that.

You're trying to understand the sensitivity and specificity of what your hands are feeling.

Does this finding rule in a disease?

Does its absence rule out a disease?

So you're thinking like a scientist at the bedside.

Yes.

When you treat the exam like a data gathering mission, you improve your diagnostic decision making significantly.

And beyond the data, there's the human element.

The text calls these the intangible benefits.

The healing power of time.

So important.

There's a great illustration in the text, figure four one, that shows a clinician palpating an abdomen.

I saw that.

And it's just a quiet moment.

In a high tech world, the simple act of touching and listening is a medical tool.

It builds trust.

Right.

A CT scan can't empathize with you.

Exactly.

A clinician's hand can.

It validates the patient's complaints in a very physical, very real way.

So that's the why.

A very powerful why.

Let's get into the what.

The chapter immediately draws a line between two types of exams.

The comprehensive exam and the focused exam.

Right.

How does a clinician decide which one to pull from the toolkit?

Well, it's all driven by the patient's needs and the setting.

The comprehensive exam is the head to toe approach.

This is usually for new patients who are entering a practice or first time.

The full workup.

It provides a fundamental baseline.

If you don't know what normal looks like for this person, you need to check everything.

And going back to that previous point, it strengthens the clinician -patient relationship.

It's exhaustive.

And the focused exam.

That's problem oriented.

So if you come into urgent care with a twisted ankle, I don't necessarily need to examine your retinas or listen to your bowel sounds.

Okay, that makes sense.

You based on age, symptoms, and health history.

It's precise and efficient.

But for our deep dive today and for the sake of learning the system, we are focusing on the comprehensive exam.

The full run through, yes.

Okay, before we even walk into the patient's room, there's a preparation phase.

Box 41 in the text outlines a mental check.

I found this really humanizing, especially for students.

Oh, absolutely.

It acknowledges that doing this for the first time is

well, it's terrifying.

It is terrifying.

You're entering someone's personal space in a very intimate way.

The text explicitly advises students.

Identify yourself as a student.

Don't hide it.

Be upfront about it.

And try to appear calm, even if you feel inexperienced.

It's a bit of fake it till you make it, but with professional honesty.

It's about demeanor.

Your anxiety can make the patient anxious.

If you look terrified holding the stethoscope, the patient is going to wonder what's wrong with their heart.

That's a great point.

And the text offers a specific reassurance that I love.

It says it is okay to forget a part of the exam.

Oh, that's huge for a student to hear.

It is.

If you finish listening to the heart and realize you forgot to check the pulses, just go back.

It's not a failure.

It's thoroughness.

The patient probably won't even notice or care.

They won't judge you for checking one more thing.

They'll usually appreciate the attention to detail.

What about the patient's head space?

They aren't just a mannequin waiting to be inspected.

No, and they are likely feeling vulnerable.

They are exposed physically and emotionally.

They might be worried about pain or what you might find.

The text emphasizes that the clinician needs to be thorough but gentle.

And there's a beginner's rule mentioned regarding findings that seems crucial for safety.

Avoid interpreting findings immediately.

Yes.

Tell me more about that.

As a student, you shouldn't take final responsibility or show alarm at ominous findings.

So if you feel a mass or see a deep ulcer, your face needs to remain neutral.

The poker face.

The poker face.

Exactly.

You don't want to show distaste or panic.

You don't want to worry the patient prematurely, especially if, and let's be honest, this happens, your interpretation is wrong.

You note it and you verify it with the supervisor later.

Let's set the stage physically.

We aren't about the room itself.

Lighting and quiet are the two pillars here.

You need to be able to see the patient clearly.

We're looking for subtle changes in skin color, slight movements,

shadows that might indicate a mass.

So good lighting is non -negotiable.

And the text actually suggests having a pen light handy for specific areas like inside the mouth or when looking for neck vein distension, which plays with shadow and light.

And there's a practical tip for the examiner's back too.

I like this one.

Adjust the bed.

This is something beginners always forget.

Raise the bed so you aren't hunching over.

If you're doing a full exam, you're going to be standing there for a while, save your spine.

But, and this is a major safety flag in the text.

You must remember to

lower it when you are done.

You don't want the patient to try to hop off a high table and fall.

That is a bad outcome.

Definitely.

Okay.

Let's open the toolbox.

Box four two lists the tools of the But the icon of the profession is the stethoscope.

It is.

And the text gets really granular about the anatomy of this thing.

It's not just a rubber tube.

No, it's a precision instrument.

The text mentions the ear tips need to fit snugly and painlessly and they should angle with your ear canals, usually pointing slightly forward towards your nose.

Okay.

But the tubing matters too.

It recommends thick walled tubing is short as feasible, about 30 centimeters or 12 inches to maximize sound transmission.

So a long dangling one isn't actually better.

No, long thin tubing can distort the sound.

And the head of the stethoscope, we have the bell and the diaphragm.

What is the difference in utility?

This is a crucial distinction, especially for the cardiac exam.

Most stethoscopes have a changeover mechanism.

The diaphragm, the flat larger side is usually for higher pitch sounds.

Like what?

Think breath sounds, normal heart sounds, S1, S2, bowel sounds.

Okay, the standard stuff.

Right.

The bell, the smaller cup -like side is for lower pitched sounds.

And those would be?

Certain heart murmurs, specifically the rumble of mitral stenosis or the extra heart for sounds S3 and S4.

You need to know how to switch between them seamlessly.

The list also mentions tuning chokes and it specifies the frequencies, 128 Hertz and 256 Hertz.

Why those two specific numbers?

They serve different purposes.

The 128 Hertz four creates a strong vibration.

It's used to test the vibratory sense in the nervous system exam.

Ah, so you put it on a bone.

Exactly.

You place it on a bony prominence like a toe or finger.

The 256 Hertz fork, on the other hand, falls into the range of human speech frequencies.

So it's used for hearing tests like the Weber and RIN tests.

Got it.

It's interesting that the text also mentions digital tools.

Handheld ultrasounds and access to electronic health records are now considered part of the toolkit.

And it goes right back to the introduction, doesn't it?

It does.

We are merging the technology with the physical tools.

The smartphone or tablet is now as much a part of the kit as the reflex hammer.

All right.

We are prepped.

We have our tools.

We are in the room.

Now we move to section two, patient comfort and safety.

This seems to circle back to that idea of vulnerability we touched on.

It does.

The text calls access to the body a privilege.

It is such important wording.

It really is.

We have to earn that access.

So privacy is paramount.

Close the doors, draw the curtains, and wash your hands.

That seems obvious, but it's the first step of the interaction, really.

It signals care and safety.

It tells the patient, I am not going to make you sick.

And during the exam, we practice what the text calls active empathy.

Active empathy.

You have to watch the patient's face.

Are they wincing when you press on their belly?

You ask them, are you okay?

Or is this painful?

Don't just plow through the checklist.

The text gets very specific about positioning and draping in Box 43 and 44.

This is something I think beginners struggle how to examine someone without leaving them totally exposed.

It's awkward.

It can be awkward if you don't have a plan.

But the goal is simple.

Visualize one area at a time while preserving modesty.

You are revealing only what is necessary for that specific moment.

Can you walk us through the specific examples the text uses?

Sure.

Let's take the lung exam.

If the patient is sitting, you untie the gown in the back to listen to the posterior lungs.

You don't pull the whole thing down to their waist.

Just the back.

You expose the back, do the exam, and cover it.

For breast exam, you uncover the right breast, keep the left draped, examine the right, then cover it back up before switching to the left.

So you never have both exposed at once.

Exactly.

It minimizes that feeling of exposure.

And for the abdomen, you shield the chest with the gown and place a sheet at the inguinal level, the groin area.

Only the belly is visible.

And communication is part of this draping process, right?

You don't just start moving sheets around.

Oh, absolutely not.

The text calls this narrating the waves.

You tell them, I'm going to move your gown now to check the pulse in your groin.

It prevents the touch from being a surprise or being misinterpreted.

It keeps the patient in the loop.

Safety isn't just about modesty, though.

It's about infection control.

The text outlines standard and universal precautions based on CDC guidelines.

Right.

And precautions apply to everyone.

The principle is that all body fluids and non -intact skin may be infectious.

So you assume everyone could be carrying something?

Regardless of how healthy they look.

Yes.

What's the headline here?

What's the most important thing?

Hand hygiene, without a doubt.

Figure 4 -2 is dedicated to it.

You need to know when to use soap and water versus alcohol sanitizer.

Okay.

That's a good question.

When does the text say soap and water is mandatory?

I feel like we grab the sanitizer gel 99 % of the time.

The gel is great for most things, but soap and water is mandatory if hands are visibly soiled.

That's obvious.

Of course.

But also, after caring for a patient with infectious diarrhea, specifically regarding Clostridioids difficile or C.

diff.

Why C.

diff specifically?

Because alcohol doesn't kill C.

diff spores effectively.

Yeah.

You need the mechanical action of soap and water to wash them down the drain.

That is a critical piece of information.

It really is.

Gloves, gowns, masks, eye protection.

Figure 4 -3 shows the full setup and the text notes a sobering fact.

White coats and stethoscopes can be vectors for bacteria.

I've heard that.

We have to clean our tools as much as our hands.

That diaphragm of your stethoscope touches every patient.

It needs an alcohol wipe between every single one.

The text also breaks down transmission -based precautions in box 4 -6.

This is for when we know or suspect a specific infection.

Right.

There are three main categories.

First, contact precautions.

This is for things like MRSA or C.

diff.

So you need gloves and a gown.

Gloves and a gown because the bacteria is on surfaces or skin.

Second is droplet precautions for influenza or whooping cough.

These travel on heavy droplets that fly about three feet or up to six feet for COVID -19, as the text notes.

So for that, you need a mask and a shield.

A mask and a shield, correct.

And the third.

Airborne precautions.

This is for tuberculosis or chickenpox.

These germs travel long distances on air currents.

You need a respirator like an N95 and a negative pressure room to keep the air from escaping into the hallway.

There is also a quick mention of reverse isolation.

That's the opposite.

That's to protect the patient from us.

If someone is immunocompromised, say from chemotherapy, we gown up to keep our germs away from them.

Okay, we are safe.

The patient is safe.

Now we get to the mechanics.

Section three covers the four cardinal techniques.

Box 47 breaks these down.

These are the four pillars of the physical exam.

Inspection, palpation, percussion, and auscultation.

Let's run through them.

Inspection.

This is close observation and it's not just looking.

You are assessing appearance, mood, gait, skin conditions like petechiae, symmetry of the thorax.

It starts the moment you see the patient.

You're gathering data before you even say hello.

Absolutely.

Okay, next.

Palpation.

Tactile pressure.

You use your finger pads.

You are feeling for skin elevation, tenderness, pulses, lymph nodes.

It's about texture, temperature, and moisture.

Now, percussion.

This one always feels the most technical to me.

It's like being a human stud finder.

The text describes a very specific technique.

It is a skill you have to practice.

The text specifies using the striking finger, usually the third finger of your right hand.

You strike it against the pleximeter finger, the distal third of the left middle finger, which is laid flat against the skin.

So you aren't hitting the patient directly.

You're hitting your own finger.

Correct.

You are striking your own knuckle to evoke a sound wave and you're listening for resonance or dullness.

And that tells you what?

It tells you about the underlying tissue density.

Is it air -filled like a healthy lung that sounds resonant or is it solid like a liver or a fluid -filled mass that sounds dull?

Fascinating.

And finally, auscultation.

Listening.

Using that diaphragm and bell we talked about, you are targeting the heart, lungs, bowel sounds, and brutes, which are turbulent sounds in the arteries.

Okay.

Before we start the head to toe, there's a logistical rule that the text emphasizes in section four.

The right side rule.

Yes.

The text recommends examining the patient from the patient's right side.

Why?

I mean, what if I'm left -handed?

It feels awkward.

It might.

And the text actually addresses lefties.

It says you should adopt the right -sided position anyway, though you can use your left hand for holding instruments.

But why the right side specifically?

The expert breakdown mentioned there are four reasons.

Okay.

So four specific reasons from the text.

First,

estimates of jugular venous pressure, JVP, are more reliable from the right.

Why is that?

The internal jugular vein on the right has a more direct path to the right atrium of the heart.

Okay.

Anatomical.

What's number two?

The palpating hand rests more comfortably on the apical impulse of the heart.

Got it.

Third, the right kidney is more frequently palpable than the left.

It sits a bit lower because of the liver, so you are better positioned for it.

So it's easier to feel from the right.

Yes.

And fourth, it's purely logistical exam tables are often designed for a right -handed approach.

Efficiency and anatomy.

It makes sense.

Okay.

This is the main event.

Section five.

The head to toe walkthrough.

We are going to follow the sequence exactly as presented in the text and box 48.

Let's visualize this.

We have our sequence.

We want to maximize comfort, avoid unnecessary position changes.

We don't want the patient jumping up and down like they're in an aerobics class.

And we want to be efficient.

Okay.

Step one.

Where are we?

What's the patient doing?

The patient is sitting on the edge of the bed.

We start with the general survey and vital signs.

So we're observing their state of health, build, hygiene, facial expression, level of consciousness.

Exactly.

And we measure blood pressure, pulse, respiration, and temperature.

This gives us our baseline.

Okay.

Step two, still sitting.

The skin.

But specifically the upper torso skin at this point.

We are checking moisture, temperature, and looking for lesions.

We check the face and hands.

We'll check the rest of the skin as we move down the body.

Got it.

Step three, Heenit.

Head, eyes, ears, nose, throat.

This is a big one.

There is a lot here.

For the head, we inspect hair and scalp.

For the eyes, we check visual acuity, how well they see, visual fields, pupils, and extraocular movements.

And there's a critical step mentioned here for the eyes that involves the environment again.

Yes.

Darkening the room.

You need to darken the room for the ophthalmoscopic exam to see the fundae, the back of the eye.

Why is that necessary?

It promotes pupil dilation so you can actually look through the pupil to the retina.

Then we move to ears using the otoscope and checking acuity with those tuning forks, the Weber and Rinn tests.

Then nose and throat inspecting the mucosa, tongue, tonsils, cranial nerves.

Correct.

It's a very systematic sweep of the head.

Okay.

Step four, the neck, still sitting.

We check lymph nodes and look for tracheal deviation.

But here is a specific move.

The examiner moves behind the patient.

Why move behind?

It's a palpate thyroid gland.

It's often easier to feel the loops from behind.

You place your hands around their neck and ask them to swallow.

And since you are back there, it transitions perfectly into step five.

Which is the back, posterior thorax, and lungs.

Exactly.

You are already behind them.

So you inspect the spine and muscles,

palpate, percuss, and osculate the lungs.

You are listening for breath sounds and adventitious or added sounds like crackles or wheezes.

And the text notes that this is also the first check of the musculoskeletal system.

Right.

You are inspecting the upper back and shoulders.

You can integrate the upper extremity muscle check here if you want, checking bulk, tone, and strength.

Okay.

Lungs are clear.

Now we move to step six, breasts and axillae.

What's the position here?

It starts with the patient still sitting.

You inspect the breasts with arms relaxed, then elevated the hands on hips.

Why all the different arm positions?

This contraction of the pectorals brings out dimpling or asymmetry that you might miss otherwise.

Smart.

Then what?

Then the position changes.

This is our first big move.

The patient moves to supine, lying flat on their back.

The examiner stands on the right.

And now you palpate?

You palpate the breasts and the armpits in this position.

The tissue flattens out, making it easier to feel nodules.

Step seven, anterior thorax and lungs.

Patient is still supine.

We insect, palpate, percuss, and listen to the front of the chest now.

We are covering all lobes of the lungs.

Step eight, the cardiovascular system.

The text gets very specific about the angle of the bed here.

It's not just flat.

No.

You want the head of the bed raised to about 30 degrees.

Why 30 degrees specifically?

It's the optimal angle for observing the jugular venous pressure, the JVP.

You need to see those pulsations in the neck to estimate the pressure in the right atrium.

What happens if they're flat?

If they're flat, the veins can collapse.

If they're sitting up too high, the fluid level drops below the clavicle and you can't see it.

30 degrees is the sweet spot.

Got it.

Then we check the carotids inspect, palpate, listen for brutes, and the heart itself.

Yep.

Inspect the percordium, the chest wall over the heart, locate the apical impulse.

That's the point of maximal impulse where the heart beats against the chest.

Then you listen at all auscultatory areas, both the diaphragm and the bell.

But wait, there are special maneuvers listed here involving position changes.

It's not just lying there.

Yes, two of them, and they're really important.

First, ask the patient to roll partly to their left side.

This is called the left lateral decubitus position.

And why do you do that?

This brings the left ventricle closer to the chest wall.

It's the best way to detect an S3 sound or the murmur of mitral stenosis.

Okay.

And the second maneuver?

The patient sits up, leans forward, and exhales.

You listen along the left sternal border.

This helps detect the soft blowing murmur of aortic regurgitation.

So for a thorough heart exam, you are moving the patient around a bit to use gravity to your advantage?

Absolutely.

You can't just leave them flat on their back for everything if you want to be thorough.

Okay.

Step nine, the abdomen.

The patient is back to supine, but flat this time.

Correct.

Lower the head of the bed.

And there is a crucial change in the sequence of techniques here.

The four pillars order changes.

Just for the abdomen, usually it's inspect, palpate, pucous, auscultate.

But for the abdomen, it is inspect, auscultate, pucous, palpate.

Okay.

Why do we listen before we touch?

That feels backwards.

It's because palpation or percussion can alter bowel sounds.

If you start poking around, you might stimulate the gut and create sound that weren't there, or mess up your assessment of motility.

Ah.

So you want an undisturbed reading first.

You want to hear what's going on before you disturb the contents.

Makes sense.

We check the liver, spleen, kidneys, and aorta.

And there is a specific percussion check mentioned for kidney infection.

The CVA tenderness costo -vertebral angles.

This is the angle between the 12th rib and the spine.

Usually this is done posteriorly when you are behind the patient, but the text groups it here conceptually with the kidneys.

And a sharp thump there tells you something.

A sharp thump there helps diagnose pilonephritis.

If they jump, that's a positive sign.

Step 10, lower extremities.

Patient is still supine.

And we are checking three systems here.

First, peripheral vascular, femoral, and popliteal pulses, lymph nodes, edema, which is swelling, and varicose veins.

Second, musculoskeletal, looking for deformities in range of motion.

And third, nervous muscle bulk, tone, strength, sensation, and reflexes.

A lot to cover while they're just lying there.

Then step 11,

the standing exam.

The patient gets up.

We check the spine alignment and leg alignment, and we do the gait assessment.

Walk heel to toe, walk on toes, walk on heels.

And the Romberg test for balance stand with eyes closed.

Step 12 is the nervous system, which the text says can be integrated throughout or done at the end.

We've mentioned bits of this already.

Right.

Mental status, cranial nerves, motor and sensory systems, and reflexes.

It's a detailed breakdown that involves checking smell, facial movements, coordination like finger to nose, and the Babinski response.

And finally, step 13, genital and rectal exams.

Often done at the very end.

For men, the patient is often in the left lateral position.

That's the Sims position, or standing.

You check for hernias and the prostate.

And for women.

For women, it's the lasotomy position supine with legs and stirrups for the pap smear and bimanual exam.

And that completes the head to toe.

It's a marathon, not a sprint.

It is, but notice how logical it is.

You start at the head, work down, and minimize the number of time the patient has to stand up or sit down.

It flows.

However, not every patient can follow this flow.

Section 6 is about adapting to specific conditions.

Real life throws curveballs.

The first one mentioned is the bedbound patient.

Right.

If a patient is on bedrest, maybe after a surgery or an injury, you often can only see the anterior, the front of the body.

So how do you check the back?

That seems critical.

If it's safe, you have to roll the patient to one side.

This is non -negotiable because you need to check the sacrum for pressure injuries.

Bed sores.

Skin breakdown happens fast.

You cannot miss a bed sore.

Next is the patient in a wheelchair.

The text cites a statistic here that I found, well, concerning.

Yeah, it's a 2013 study.

It found that 76 % of clinicians examined patients in their wheelchairs, but 44 % admitted to skipping parts of the exam because of barriers.

Wow, so nearly half are missing things.

What's the right way to do it?

You can do the head, neck, cardio, and lungs in the chair.

That works fine.

But for the abdomen, you really need them supine to relax the abdominal muscles.

So they have to get out of the chair.

The text emphasizes the transfer.

Have the patient position the chair parallel to the bed, pivot, and stand.

And again, the skin check is vital here.

Crucially, patients in wheelchairs are prone to pressure injuries on the sacrum, heels, and calves.

You have to look, you have to be their eyes for those spots.

What about the post -procedure patient, someone recovering from anesthesia or surgery?

The challenge here is that they might be groggy and can't follow commands well.

And they have restrictions, the text says.

Confirm restrictions with the supervisor first.

Right.

You don't want to move a spine surgery patient the wrong way.

Exactly.

You'd cause serious damage.

The focus here is on the surgical site.

Is the dressing clean and dry?

Is the wound healing?

Are there signs of infection like erythema, which is redness or discharge?

And check the hardware.

Check the tubes, drains, IVs, catheters.

The obese patient presents another set of challenges.

Yes.

Adipose tissue can obscure findings.

It's harder to feel the liver edge or hear heart sounds through thick tissue.

So what's the advice?

The text warns.

You must still do a thorough exam.

Don't skip the heart or lung or breast exam just because it's difficult.

You have to adapt your technique.

And there are specific risks to look for.

Metabolic syndrome, of course.

But also skin breakdown in the folds and the panaces.

It's warm and moist there.

Perfect for candida, which is a yeast.

Or bacterial infections.

You have to lift the folds and look.

Finally, the patient in pain.

This feels like a delicate balance.

It is.

The text suggests observation first.

Look for grimacing, sweating, and increased respiratory rate.

Pain elevates BP and heart rate.

So if their BP is high, it might just be the pain.

It could be.

The strategy is to control the pain before starting, if possible.

And if a maneuver is impossible, use other signs.

Don't force a painful movement just to tick a box.

Be humane about it.

Be humane.

We have done the exam.

We have adapted to the patient.

Now we have to write it down.

Section seven, recording your findings.

The goal is clear, concise, and comprehensive.

And the text gives us a case study.

Patient MN in box four to nine.

Let's decode this note because it's full of medical shorthand.

The general survey says short, overweight,

animated.

It paints a picture.

You can visualize the person immediately.

Then heat.

It says encecat.

What on earth does that mean?

That stands for normocephalic atraumatic.

It means the head is a normal shape and there is no trauma.

Okay, that's simple enough.

What about perla?

That's a classic.

Pupils equal, round, reactive to light and accommodation.

It means the eyes are functioning normally from a neurological standpoint.

For lungs, it says resonant on percussion, vesicular breath sounds.

So resonant means air -filled, which is good.

And vesicular sounds are the normal soft sounds of air moving in the smaller airways.

So you're noting what's a normal.

If you heard bronchial sounds in the wrong place, that would be an issue.

So noting the normal is key.

Cardio.

S1, S2, no S3 or S4, and then 26 systolic murmur.

Okay, so S1 and S2 are the normal lub dub.

S3 and S4 are extra sounds that can indicate pathology like heart failure or stiffness.

So noting they're absent is an important pertinent negative.

And the murmur grading, two out of six.

That just tells you how loud it is on a scale.

Yeah.

Two is fairly quiet.

And the text mentions a Fluss Synthesis for pulses and reflexes.

Yes, for pulses, it's usually zero to three or four.

In this text, two plus is considered normal or brisk.

Zero would be absent.

And for reflexes?

There's a figure showing grades.

Usually two plus is also normal or average.

Four plus would be hyperactive with clonus, which are these rhythmic oscillating movements.

So when you read a note that says pulses two plus bilaterally, that's good news.

It is.

It means blood is flowing and nerves are firing as expected.

We have covered a massive amount of ground.

From the philosophy of the rational clinical examination, to the exact way to hold a stethoscope, to the sequence of a head -to -toe assessment.

It's a lot of information, but it all comes back to that mission we stated at the beginning.

The text's mission.

To see the physical exam not as a checklist, but as a diagnostic tool that merges with technology.

And I want to leave our listeners with that final provocative thought from the intro.

The text says the exam yields intangible benefits.

The unique therapeutic relationship.

In a high -tech world of AI and imaging, the simple act of touching and listening carefully and skillfully is a medical tool in itself.

It connects you to the patient in a way a CT scan never can.

That's it, exactly.

A powerful reminder.

Thank you so much from the Last Minute Lecture team for joining this deep dive into Bates Chapter 4.

We hope this audio guide helps you visualize the flow and understand the why behind every move.

Keep practicing those skills.

It's a craft.

This has been the Deep Dive.

Catch you next time.