Heart anatomy, physiology, pathology, and pharmacology.
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Facts
1
Frank-Starling Law
The heart adjusts its output based on how much blood returns to it - more stretch = stronger contraction.
2 practice questions
2
Cardiac Action Potential Phases
The cardiac action potential has 5 phases (0-4) with distinct ion movements that create the electrical signal for heart contraction.
1 practice question
3
Heart Murmur Characteristics
Systolic murmurs occur during S1-S2 (aortic stenosis, mitral regurgitation), diastolic murmurs occur during S2-S1 (aortic regurgitation, mitral stenosis).
1 practice question