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Human Body & Health

Which cardiac outcome contributes significantly to edema when sustained?

A)Reduced cardiac output
B)Increased vascular afterload
C)Elevated stroke volume
D)Sustained atrial fibrillation

💡 Explanation

Systemic edema results from increased capillary hydrostatic pressure due to fluid retention; reduced cardiac output causes weaker tissue perfusion, prompting increased fluid reabsorption via the RAAS system, causing edema accumulation, therefore low output induces edema, rather than increased vessel pressure or optimal stroke volume.

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