Ventricular Myocytes & Pacemaker Cells | Action Potential Review
Автор: Dr.Fraser
Загружено: 2025-10-14
Просмотров: 27
Review action potential phases, automaticity, and clinical relevance for exam prep.
In this video, we break down ventricular myocytes and pacemaker cells, using clear action potential graphs and physiological explanations.
We cover:
1. Ventricular Myocyte Action Potential – Understand the phases (0–4), including:
2. Pacemaker Cell Action Potential – Learn why these cells have automaticity:
How this explains intrinsic firing rates of the SA node (~100 bpm) and AV node (~60–80 bpm)
This is high-yield for medical students, residents, anesthesia trainees, and anyone preparing for physiology or pharmacology exams.
👉 Check out linked videos for a deeper dive into fast vs slow action potentials and the Vaughan Williams antiarrhythmic classification.
• Anti-Arrhythmics Explained: Vaughan Willia...
Thanks!
Fraser
#cardiacphysiology #medicalexams #antiarrhythmics
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