• Why Cardiovascular Stress Tests Require Near Maximal Heart Rates

    Why Cardiovascular Stress Tests Require Near Maximal Heart Rates

    Cardiovascular stress testing depends on pushing the heart toward high physiologic demand. This blog explains why reaching 85% to 100% of predicted maximal heart rate matters and why only a short period at peak exertion can uncover meaningful abnormalities. Learn how cardiac output, myocardial oxygen demand, coronary reserve, and broader cardiovascular physiology interact during stress testing from an integrated and thoughtful perspective.

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