Order of the cardiac cycle
The cardiac cycle involves four major stages of activity: 1) "Isovolumic relaxation", 2) Inflow, 3) "Isovolumic contraction", 4) "Ejection". (See Wiggers diagram, which presents the stages, label-wise, in 3,4,1,2 order, left-to-right.) Moving from the left along the Wiggers diagram shows the activities within four stages during a single cardiac cycle. (See the consecutive panels labeled, at bottom-right, "Diastole" then "Systole"). Witryna17 paź 2024 · The cardiac cycle is the sequence of events that occur in the heart with each beat. In this cycle, blood is pumped out of the heart and oxygen is circulated around the body. As the ventricles relax from the previous cycle, blood passively flows into the ventricles from the atria through the open atrioventricular (AV) valves.
Order of the cardiac cycle
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Witryna12 mar 2024 · The cardiac electrical signal controls the heartbeat in two ways. First, since each electrical impulse generates one heartbeat, the number of electrical …
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