Physiology is visual. Open your PDF on a tablet, or print the key graphs. Redraw the Wiggers diagram (pressure vs. volume) five times. Pappano’s version of this diagram is famous for its clarity. By the fifth drawing, you will never confuse the "dicrotic notch" with the "a wave" again.
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If you cannot find a legitimate , do not despair. Here is how to master the material using the book's structure:
: Unique to cardiac muscle, this phase allows for a long refractory period, preventing tetanic contractions. Automaticity : The heart's natural pacemaker activity originates in the Sinoatrial (SA) Node