According to the Frank-Starling mechanism, after a longer cardiac cycle in an arrhythmia, the next peak systolic velocity will be:

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Multiple Choice

According to the Frank-Starling mechanism, after a longer cardiac cycle in an arrhythmia, the next peak systolic velocity will be:

Explanation:
Longer filling time increases end-diastolic volume, which stretches the ventricular fibers. The Frank-Starling mechanism says that more stretch leads to a stronger contraction, so the next beat ejects blood more vigorously. That means the peak systolic velocity measured in the following beat will be higher than the previous one. The other options ignore or contradict this preload–contraction relationship.

Longer filling time increases end-diastolic volume, which stretches the ventricular fibers. The Frank-Starling mechanism says that more stretch leads to a stronger contraction, so the next beat ejects blood more vigorously. That means the peak systolic velocity measured in the following beat will be higher than the previous one. The other options ignore or contradict this preload–contraction relationship.

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