Cardiac Cycle Brown Word Scramble
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Question | Answer |
P wave | Atrial depolarization |
a wave | Atrial systole |
QRS complex | Ventricular depolarization |
c wave | Ventricular systole |
v wave | AV valve opens and ventricles fill |
Isovolumic contraction | Mitral and Aortic valve closed |
When does the aortic valve open | around 80mm Hg |
S1 or "lub" | AV valve closing |
S2 or "dub" | Aortic valve closing |
The Mitral valve closes when | The QRS complex has been initiated |
The aortic valve opens | When left ventricular pressure equals aortic pressure, when ventricular volume is at its max, during the c wave of atrial pressure, at the end of diastolic runoff of arterial pressure |
The aortic valve closes | At the start of S2, When ventricular myocytes all enter phase 3 of the action potential |
The first heart sound, S1, is | Vibrations from closing of mitral and tricuspid valves |
The C wave of atrial pressure is | Elevated when the mitral valve is leaky and because the left atrial filling and bulging of the mitral valve |
Peak systolic pressure occurs | Between aortic closing |
Created by:
mcasto
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