Chapter 10: Trauma & Stress-Related Disorders & Dissociative Disorders

You know, there's this phrase we all use constantly.

It is, it's almost a throwaway line in modern life.

Right, like, I am so stressed.

Exactly, this traffic is stressing me out, or my inbox is a source of stress.

We treat it like a mood.

Yeah, or just a minor inconvenience, like having a rock in your shoe.

Right, it has become a badge of honor in a way.

If you aren't stressed, you aren't working hard enough.

But when you actually peel back the layers, and I mean, really look at the medical and biological reality of that word, it is terrifying.

It really is.

It is not just an annoyance, it is a full biological cascade.

It is a survival mechanism that can save your life in a split second,

or if it gets stuck in the on position, it can dismantle your body from the inside out.

It is the difference between a life -saving reflex and a slow -acting poison, and that is exactly what we are unpacking today.

Welcome back to the Deep Dive.

Today, we are doing something a little special for our listeners who might be scrubbing in for clinicals or buried in textbooks.

We are calling this the last -minute lecture.

Right, we are rolling up our sleeves and doing a comprehensive page -by -page breakdown of chapter 10 from Essentials of Psychiatric Mental Health Nursing.

The focus here is trauma, stress -related, and dissociative disorders.

So if you are a nursing student, consider this your cheat sheet.

And if you are just a curious human being who wants to understand why your heart races when you get a vague email from your boss,

stick around.

We are gonna walk through the text sequentially, covering everything from the HPA axis to PTSD, and finally, into the complex world of dissociative disorders.

And we aren't skipping the hard stuff.

No, we are going to look at the tables, the boxes, the care plans, the works.

We wanna make sure you understand not just the definitions, but how to actually apply the nursing process when you are standing right in front of a patient.

So let us start at the very beginning.

Section one, the concept of stress.

The text defines stress in a very specific way.

It is not just a feeling.

It is described as a process.

Specifically, it is a process with physical, psychological, and behavioral components in response to a demand.

And that demand is what we call a stressor.

Right.

But here is the first plot twist the text throws at us.

Not all stress is the villain.

Yeah, the authors introduced this concept of eustress versus distress.

This is a crucial distinction for you to know.

Eustress is actually good stress.

The prefix you means good.

So it is beneficial.

It is.

Think about that surge of energy you get before a big game or the adrenaline that helps you focus when you are cramming for an exam.

So it is the energy that helps you conquer a challenge.

Exactly.

It motivates you.

It helps you solve problems.

It is adaptive and helps you meet goals.

Without eustress, we would never get anything done.

But then you have the other side of the coin.

Distress.

Which is what we usually mean when we complain about stress.

Distress causes emotional and physical problems.

Instead of energizing you, it drains you.

It leads to feelings of powerlessness, right?

Yes.

When we talk about being stressed out, losing sleep, feeling tense, getting irritable, having backaches, we are talking about distress.

And the text points out that stressors, the things that trigger this reaction can be real or perceived.

I think we need to linger on that distinction.

It is super important.

The body is an incredible machine, but it is not always great at context.

What do you mean by that?

Well, a real stressor is environmental.

Extreme heat, freezing cold, a loud explosion, a physical infection.

Those are objective threats to the vessel you're walking around in.

But a perceived stressor is all in the head.

It is psychosocial.

It is a threat to your self -esteem.

It is feeling disrespected.

It is fear of failure.

But here's the kicker.

The hypothalamus, your brain's command center, does not really care about the difference.

Exactly.

It reacts to a bruised ego with the exact same chemical intensity as it reacts to a physical attack.

The source material also lists spiritual stressors.

That feels deep for a nursing text.

It is holistic.

A spiritual stressor is an existential crisis.

It's like asking, what am I doing with my life?

Or why did this bad thing happen to good people?

That creates profound internal conflict.

And we have to mention socioeconomic factors.

The text is very explicit about this.

Very explicit.

Poverty is listed as a major risk factor for stress and mental health issues.

If you do not know where your next meal is coming from or you are worried about eviction.

Your body is in a state of chronic, low -grade emergency.

That is a massive physiological load to carry.

Which brings us to the physiology.

This is the science part that I think glosses over people's eyes.

But for the nurses listening, you absolutely have to know this.

The text breaks down the biological survival mechanism into two main phases.

Right, you have the immediate response and the sustained response.

The fast lane and the slow lane.

Let us unpack the first one.

The fight or flight response.

The fast lane.

Okay, picture this.

You're walking down a dark street and you hear a twig snap behind you.

In a millisecond, before you even consciously think I am scared,

your amygdala lights up.

The amygdala is the threat detection center.

It is the smoke detector.

It screams at the hypothalamus, which is the command center.

And the hypothalamus slams on the panic button.

Exactly.

It activates the sympathetic nervous system.

And that system sends a signal where?

To the adrenal glands, specifically the adrenal medulla.

And it orders a massive dump of epinephrine, also known as adrenaline, into the bloodstream.

And we all know what that feels like.

You do.

Your heart rate spikes to pump blood faster.

Your blood pressure rises.

Your respirations increase to get more oxygen to the brain.

Interestingly, blood is diverted away from your digestion and your skin.

That is why you get pale or get butterflies in your stomach.

Right, and it is shoved into your skeletal muscles.

Because you do not need to digest a sandwich if you are about to be eaten.

You need to run.

It is pure efficiency.

Your pupils dilate to let in more light.

Your senses sharpen.

You become a survival machine.

But what happens if the stress does not go away?

What if it is not a twig snapping, but a demanding job, or a bad marriage, or poverty?

That is where the second phase kicks in, the HPA axis.

This is the slow link.

HPA stands for hypothalamus pituitary adrenal.

It is a hormonal cascade designed for endurance.

Walk us through the steps.

It sounds like a corporate chain of command.

It really is.

The hypothalamus, the CEO, sees the threat is not over.

So it releases a hormone called CRH.

Which travels to the pituitary gland.

Right, middle management.

The pituitary then releases ACTH.

And that travels through the bloodstream to the adrenal cortex.

The workers.

And their job is to release cortisol.

Cortisol.

That word is everywhere in wellness culture right now.

Usually as the bad guy.

It gets a bad rap, but in this context, cortisol is a hero.

It is there to supply the body with fuel for a long siege.

How does it do that?

It breaks down amino acids and fatty acids for energy.

It actually diverts glucose to the brain to keep you vigilant.

It is trying to keep you fueled for a long battle.

So in the short term, it is helpful.

Yes, it keeps you alive.

But there is a catch.

The text notes that there is a third response.

Besides fight or flight.

The freeze response.

This is fascinating and crucial for understanding trauma.

Sometimes when there is absolutely no hope of escape like in a severe car accident where you are pinned or a sexual assault where you are overpowered.

The autonomic response isn't to run or fight.

It is to freeze.

Precisely, like a deer in headlights.

It is an alternative autonomic response.

The person might go blank.

They stop responding.

They might go limp.

And this is vital for a nurse to recognize It is critical.

If you are in the ER and you see a trauma patient who looks calm, quiet and compliant, do not assume they are fine.

They might be in a profound state of physiological freeze.

They are terrified, but their system has shut down to protect them.

That is a huge takeaway.

Do not mistake silence for safety.

Exactly.

Now we have to talk about what happens when these systems stay on too long.

Chronic stress.

The text gives a stark warning.

It says 90 % of diseases are stress -related.

90%.

That seems impossibly high.

It is staggering.

But look at the mechanism.

If the HPA axis never turns off, you are bathing your organs in cortisol and adrenaline 24 -7.

And cortisol suppresses the immune system.

Because who needs to fight a virus when you are fighting a tiger?

So you get immune compromise.

And the constant high blood pressure.

Leads to hypertension and atherosclerosis.

The constant mobilization of glucose leads to obesity and diabetes.

The constant vigilance leads to depression and anxiety.

The survival mechanism literally becomes the disease mechanism.

That sets the stage perfectly.

Stress is biological.

It is heavy.

Now let us move to section two.

Post -traumatic stress disorder or PTSD.

This is where that biological stress response goes into overdrive and the off switch breaks.

The definition here is key.

PTSD is exposure to a trauma severe enough to be outside the range of normal human experience.

We aren't talking about a bad breakup or losing your keys.

No, we are talking about physical abuse, torture, natural disasters, terrorism, rape.

But the text makes an important point.

It is not just the victims who get PTSD.

Right, it can occur in witnesses too.

First responders, police officers, nurses who see the aftermath of violence.

The core feeling that connects all these experiences

is extraordinary helplessness or powerlessness.

The DSM -5 lists four specific categories of symptoms.

I wanna walk through these because this is what a nurse needs to look for in a patient's history or behavior.

The first category is intrusive re -experiencing.

This is the hallmark of PTSD.

It means the trauma keeps breaking into the present.

Yes, flashbacks and nightmares.

But a flashback isn't just remembering it.

It is feeling like it is happening right now.

The sights, the smells, the fear, it all comes rushing back.

It is completely invasive.

The second category is avoidance.

Which is a logical survival strategy.

If a place or a person or even a thought reminds you of the trauma, you avoid it.

You stay away.

You might numb your emotions entirely to avoid feeling the pain.

Which leads to intense isolation.

Third is alteration and arousal.

This is that stuck switch we talked about.

The fight or flight system is prominently on.

The patient is irritable.

They are hypervigilant, constantly scanning the room for danger.

They have an exaggerated startle response.

If you drop a clipboard, they might jump out of their skin.

And of course, they cannot sleep.

And the fourth category is negative alterations in cognition and mood.

This one is profound.

The trauma changes how the person views the universe.

They might feel intense guilt or detachment.

They might believe the world is completely dangerous or that they are permanently damaged.

They lose the ability to experience positive emotions like happiness or love is a very gray, scary existence.

The text provides a mnemonic to help students remember this.

The word is triuma.

Let us break that down.

It is a great tool.

T is for traumatic event.

R is for re -experiencing the trauma.

A is for avoiding things associated with it.

U is for unable to function.

M is for month.

Wait, month?

Yes, symptoms must last for at least one month to be diagnosed as PTSD.

And finally, A is for arousal increased.

We will come back to that one month criteria in a minute because it is a major diagnostic hinge.

But first, let us talk about who gets PTSD.

The stats show a gender difference.

They do.

About 60 % of men and 50 % of women will experience a severe trauma in their lives.

But women are more likely to develop PTSD.

About 10 % versus 4 % for men.

Is that a biological difference?

The text suggests it is largely due to the types of trauma.

Men are more likely to experience accidents, muggings, or combat.

While women are disproportionately exposed to sexual assault and childhood abuse.

Those interpersonal invasive traumas are highly correlated with developing PTSD.

And we cannot talk about PTSD without talking about the military.

It is a significant part of the chapter.

For Vietnam veterans, the lifetime estimate is 30%.

For those in operations Iraqi freedom and enduring freedom, it is between 11 % and 20 % in a given year.

And the text specifically mentions MST.

Military sexual trauma.

This is sexual assault or harassment that occurs during service.

It affects both women and men, and it is a significant source of PTSD.

Which is often compounded by the betrayal of trust within the unit.

Exactly.

The text also lists comorbidities, other conditions that come along for the ride with PTSD.

What stands out to you there?

Cardiovascular disease is the most substantiated physical comorbidity.

Again, think of that chronic stress response affecting the heart.

But there is also a huge overlap with mental health.

Depression,

anxiety, and substance use disorders.

About 40 to 50 % of people with PTSD also have a substance use issue.

They're essentially self -medicating.

Trying to quiet the noise, yeah.

And we have to mention TBI traumatic brain injury.

Especially for combat vets from blast injuries.

A bit to 20 % may have it.

It complicates things because symptoms like memory loss, irritability, and concentration issues overlap between TBI and PTSD.

So it's very hard to tease them apart clinically.

And finally, suicide.

Increased risk in all trauma survivors.

It must be assessed constantly.

Okay, moving on to section three.

We mentioned that one month criteria earlier.

This is where acute stress disorder comes in.

This is a favorite question on nursing boards.

What is the difference between PTSD and acute stress disorder, or ASD?

And the answer is time.

It is strictly a timeline issue.

The precipitating events are the same.

The symptoms, nightmares, avoidance, arousal are the same.

But ASD symptoms resolve within one month.

Right, so ASD is the acute phase.

If the symptoms persist beyond one month, the diagnosis changes to PTSD.

It is all about the chronicity.

Now this chapter has a section specifically for the people listening, the nurses.

It talks about compassion fatigue.

This is vital.

It is also called secondary traumatic stress.

Nurses and caregivers can become indirectly traumatized by helping those who are suffering.

You hear the stories, you see the pain, you clean up the blood, eventually it takes a toll on you.

It is like secondhand smoke, but for trauma.

That is a perfect analogy.

What does that actually look like in a nurse?

The symptoms mirror the patients.

Feeling overwhelmed, exhausted, dreading going to work, becoming pessimistic or cynical.

You might find yourself isolating or having insomnia.

High risk areas mentioned are hospice, pediatrics, ER, oncology, and forensic nursing.

The text has a great applying evidence -based practice box about this.

It describes a scenario with a new nurse who is calling in sick frequently and acting rude to patients and staff.

And the knee -jerk reaction from management might be to discipline her.

Right, but the director of nursing investigates and realizes it is compassion fatigue.

She is new, she has had several patients die in a short time, and she lacks a support system.

She is drowning.

So the solution wasn't to fire her.

No, it was mentorship.

Completing her orientation properly, making sure she felt supported.

That is the evidence -based approach.

Social support reduces compassion fatigue.

And self -care guidelines are listed too.

And it's not just take a bubble bath.

No, it is prescriptive.

Schedule joy and diversion, put it on the calendar.

Take many escapes during shifts, even just five minutes of deep breathing.

And importantly, refrain from self -medicating with alcohol or drugs.

You have to actively manage the emotional weight of the job.

This leads us to the broader concept of trauma -informed care.

This is a paradigm shift.

It is understanding that trauma is prevalent, thanks to findings like the ACE study, which looks at adverse childhood experiences.

The goal of trauma -informed care is to avoid re -traumatizing the patient through current systems.

It is asking what happened to you instead of what is wrong with you.

Exactly.

Let us shift gears to section four,

application of the nursing process for PTSD.

We are gonna walk through assessment, diagnosis,

planning, and implementation.

Assessment always starts with safety.

Because suicide risk is higher in trauma survivors, you have to assess for that immediately.

You also check for substance withdrawal, which can be life -threatening.

And you have to ensure the trauma isn't currently happening.

Right.

If a patient is presenting with PTSD from domestic abuse, you need to know if they are going back to a safe home.

Safety comes before therapy.

Then we move to diagnosis.

The text references table 10 .1.

It links symptoms to nursing diagnoses.

So if a patient has nightmares, the diagnosis is impaired sleep.

If they are anxious and staying home, it is social isolation.

If they are jumpy and on edge, it is post -trauma response.

It is about naming the specific problem you are treating.

For outcomes identification, the goals are clear.

The patient remains safe, reports a decrease in nightmares or flashbacks, and expands their social support network.

For planning and implementation, the text identifies psychotherapy as the first line treatment.

Specifically, evidence -based therapies,

CBT or cognitive behavioral therapy is the gold standard.

It helps change the distorted beliefs.

There is also CBT cognitive processing therapy.

Which helps change upsetting thoughts specifically related to the trauma and PE prolonged exposure.

That sounds intense.

It is.

It involves gradually approaching the memories and situations you have been avoiding.

It teaches the brain that the memory is not dangerous.

It is about facing the fear in a controlled way.

And EMDR, that one always fascinates people.

Eye movement, desensitization, and reprocessing.

The patient recalls the trauma while focusing on external stimuli like moving their eyes back and forth following the therapist's finger or tapping.

Sounds a bit like magic.

It does, but the theory is that the dual attention allows the brain to process the memory and store it correctly rather than having it stuck in the live loop.

It is highly effective.

Now let us talk meds.

Table 10 .3 gives us the breakdown.

What is in the arsenal?

The FDA has approved two SSRIs specifically for PTSD,

sertraline and peroxetine.

Zoloft and Paxil.

Yes.

These are the first line pharmacological treatments.

And other SSRIs.

Flucetine and venlafaxine are also used off -label as first line options.

They help dampen that hyper arousal and anxiety.

There is a specific drug mentioned for nightmares, right?

Yes, prezocin.

This is interesting because it is actually a blood pressure medication, an alpha one blocker.

But it crosses the blood brain barrier and blocks the adrenaline response in the brain.

Exactly.

It helps decrease nightmares, which is a huge relief for many patients.

But nurses need to be careful with it.

Yes, because it lowers blood pressure.

You have to monitor for hypotension and dizziness.

And there's a massive warning in the text about benzodiazepines.

A big flashing red light.

They are not recommended.

Why?

They calm people down, do they not?

They do, but they are a trap.

They can be ineffective for PTSD symptoms and they are highly addictive.

Worse, they can interfere with the psychotherapy.

Right.

If you numb the brain with a benzo, it cannot process the trauma.

Yet they are still often prescribed.

Nurses need to be the advocates here.

What about nursing interventions?

What do you actually do if you are on the floor?

If a patient is having a flashback, your job is to stay with them.

Offer reassurance.

You are safe.

I am here.

You are in the hospital.

That presence is powerful.

And the text says, do not touch them without permission.

They might react defensively.

And for avoidance.

You help them build social support, encourage them to reconnect with family or support groups.

For arousal issues.

You work on sleep hygiene, no caffeine, a dark room, a steady routine,

and interventions for anger management.

Box 10 .1 lists stress reduction techniques.

These are practical tools you can teach any patient.

Reframing is one, looking at the situation differently to find a positive or neutral angle.

Aerobic exercise is huge.

It burns off that excess adrenaline and dissecates chronic stress.

And basics like diet,

lowering caffeine intake.

If your nervous system is already on fire, do not throw gasoline on it.

And journaling, which helps process emotions.

Okay, we are making great time.

Let us move to section five.

Dissociative disorders.

This is a topic that often confuses people and it is often sensationalized in movies.

It is complex, but the core concept is simple.

Dissociation is an unconscious defense mechanism.

It is the mind's way of protecting the individual from overwhelming anxiety.

So it is checking out to survive.

Exactly.

It involves a disturbance in consciousness, memory, identity, and perception.

But, and this is key for the nurses, reality testing is intact.

Meaning?

They aren't hallucinating dragons.

They aren't delusional like in schizophrenia.

They know what is real, but they feel detached from it.

They know the table is a table, but it might feel like a prop in a play.

The text mentions the neurobiology here is interesting.

You see an underactive prefrontal cortex, that is the rational planning part of the brain, and an overactive amygdala, the emotional center.

It is highly linked to severe repetitive childhood trauma or abuse.

The brain learned to unplug to survive the abuse.

Let us break down the specific disorders.

First, depersonalization and derealization disorder.

These are two sides of the same coin.

Think of depersonalization as being about the self.

You feel detached from your own body or mind.

You might feel like an observer watching yourself from the ceiling.

You feel mechanical.

And derealization.

That is about the surroundings.

The world feels unreal, dreamlike, or distorted.

Objects might look too big or too small.

It feels like you are walking through a movie set.

Then there is dissociative amnesia.

This is the inability to recall important autobiographical information, usually related to trauma.

It is not just ordinary forgetfulness.

It is, I do not remember getting married, or I have a blank spot for the entire year I was 10.

And sometimes it comes with fugue.

Fugue is wild.

It involves sudden unexpected travel or bewildered wandering.

The person might lose their identity entirely.

The text gives a specific example here.

The story of Raymond Powers Jr.

He was a Vietnam vet, right?

Yes.

The trauma of 9 -11, seeing the towers fall, triggered his old combat trauma.

He disappeared from New York.

And he was found in a homeless shelter in Chicago months later.

He had no memory of his life, his name, or how he got there.

That is incredible.

The brain just said, I'm done, and walked away.

It illustrates the profound power of dissociation.

It wiped the slate clean to stop the pain.

And finally, the most severe form,

dissociative identity disorder, or DID.

Formerly known as multiple personality disorder, this involves the presence of two or more distinct personality states called alters.

And the hallmark sign here is losing time.

Right.

The patient will have gaps in their memory for everyday events.

They might find clothes in their closet they do not remember buying.

They might be called by a different name, by strangers on the street.

Because an alter was in control during those times.

And often, the host personality is unaware of the alters until treatment begins.

The text notes a very high suicide risk here.

Massive.

70 % of outpatients with DDD have attempted suicide.

It is a life -threatening condition that requires serious care.

Leading us into section six.

Application of the nursing process for dissociative disorders.

Assessment starts by ruling out medical conditions.

Head injuries, epilepsy, brain tumors, intoxication.

These can all cause memory loss or zoning out.

You have to be sure it is psychiatric first.

What signs should a nurse watch for if they suspect dissociation?

Missing blocks of time.

Changes in handwriting.

Unfamiliar items in their possession.

The patient appearing confused about who they are.

There are screening tools mentioned, like the dissociative experiences scale too.

Diagnosis focuses on things like disturbed personal identity and risk for self -destructive behavior.

And impaired memory.

Table 10 .4 lays these out clearly.

Planning is divided into phases.

Phase one is always safety, stabilization, and symptom reduction.

You cannot do deep trauma work if the patient is cutting themselves or disappearing.

You have to stabilize the system.

And phase two is the long -term goal.

Confronting the trauma and integration of identities.

Merging the alters back into one cohesive self.

But that is years of therapy.

Nurses focus heavily on phase one.

Let us talk about communication guidelines.

How do you talk to someone who is dissociating?

The text emphasizes grounding techniques.

This is vital.

When a patient feels like they're floating away or losing touch, you use the five senses to bring them back.

Give us some examples.

Feel the chair under your legs.

Hold this ice cube.

Tell me how cold it is.

Stomp your feet on the floor.

Name five things you can see in this room.

It disrupts the dissociation.

It forces the brain to reconnect with physical reality.

It anchors them in the here and now.

And journaling is recommended here too.

Yes, it helps identify triggers.

If you can see a pattern like, I dissociate every time I feel rejected, you can start to manage it.

There is a vignette in the text, a scenario with a student nurse and a patient,

Mrs.

R.

I think this really brings it to life.

It does.

The student notices Mrs.

R.

staring out the window, blanking out during a group session.

She is completely checked out.

The student approaches her gently.

And Mrs.

R.

reveals she was triggered by the group leader's outfit, a pink flowered shirt.

It reminded her of her mother's garden.

And we can infer the mother is the source of the trauma.

Right, now a rookie mistake would be to ask, tell me about your mother.

Digging for trauma.

Which could destabilize her right there in the day room.

The student did not do that.

She noticed the dissociation.

She asked, what was the last thing you remember happening in the group?

She reoriented her.

She validated the experience saying, it sounds like you were reminded of the past, but she brought her back to the present.

And then she referred her to the therapist for the deep work.

Yeah.

That is the applying the art part.

It wasn't about fixing the trauma.

It was about noticing the dissociation and keeping the patient safe.

Exactly.

The evaluation of that interaction was successful because the patient felt seen, but safety was maintained.

She didn't spiral.

So we have covered the roadmap.

From the biology of stress, to the nightmare of PTSD,

to the escape hatch of dissociation.

Let us summarize the key takeaways for you as you prep for your exams.

First, remember that stress is physiological.

It involves the HPA axis and cortisol.

It is real biology, not just an attitude.

Second, know your timelines.

PTSD versus acute stress disorder.

It comes down to the one month mark.

Less than a month is ASD.

More than a month is PTSD.

Third, dissociation is a protective response.

It is a defense mechanism against severe trauma.

It is the brain trying to survive.

And finally, the nurse's role.

Safety is number one.

Assess for suicide.

Use grounding techniques to bring patients back to reality and use evidence -based practices like referring for CBT or EMDR.

And please avoid the benzos.

Before we go, here is a thought for you to chew on.

The text mentioned the freeze response earlier.

Think about this.

How many patients have you seen who were labeled as compliant or quiet, who were actually terrified and in a state of freeze?

It changes how you look at a silent patient, doesn't it?

Silence isn't always peace.

Sometimes it is terror.

It certainly does.

Thanks for joining the last minute lecture team on this deep dive.

Good luck with your studies.

And remember to take care of yourselves out there.

See you next time.