Action Potential Phases in Cardiac Muscle

Action Potential Phases in Cardiac Muscle

A concise flashcard depicting the five phases of cardiac muscle action potentials, from rapid depolarization to resting potential. It emphasizes ion channel activity (Na+, K+, Ca2+) and refractory periods, essential for understanding arrhythmias and ECG correlations.

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This asset is part of Best Physiology Flashcards for USMLE Step 1 (Tried & Tested) published by SheetForge. Licensed under CC BY 4.0 — Free for personal use. Free to use with attribution.

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