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← ScienceWhich outcome occurs to cardiac output when left-ventricle compliance decreases?
A)Unchanged stroke volume decreases
B)Elevated pressure impairs diastole✓
C)End-systolic volume gets lower
D)Myocardial conductivity will improve
💡 Explanation
Decreased compliance impairs atrial filling, because increased pressure increases when adding same volume. Therefore elevated left-ventricle pressure causes diastolic dysfunction, rather than improved muscle conductivity or reduced end-systolic volume, within Starling limits.
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