Purkinje Fibers
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Top explanations for Purkinje Fibers
Cardiac Electrophysiology and the Electrocardiogram — Medical Physiology: A Cellular And Molecular Approaoch▶ 3:59So after that vital pause at the AV node, the signal basically explodes down through his Purkinje systemThat's the bundle of his and the Purkinje fibersExactly, this is the superhighwayOrigin of the Heartbeat & Cardiac Electrical Activity — Ganong's Review of Medical Physiology▶ 5:26The absolute superhighwayThese Purkinje fibers fan out and make contact with virtually every single ventricular muscle cellThis ensures that when the signal arrives,Cardiovascular Physiology Explained — Human Physiology: An Integrated Approach▶ 27:24the auto rhythmic cells they don't have a stable resting potential they spontaneously fire how does that instability work their instability is…that's totally counterintuitive they open when the cell is at rest or hyperpolarized yes when they open at this negative potential the…depolarization and repolarization can be a critical indicator of myocardial ischemia where the heart muscle isn't getting enough oxygen often due to…