Heart Failure
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Cardiology
Heart Failure
Heart failure is a complex syndrome where the heart struggles to pump enough blood to the body
2 Feb 2026
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Which compensatory mechanism initially helps maintain circulation in heart failure but eventually contributes to worsening heart function?
Increased oxygen supply to the heart muscle
Activation of the sympathetic nervous system and renin-angiotensin-aldosterone system
Decreased heart rate to reduce workload
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