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ECG

Adaptive test — questions are selected based on your ability estimate. — Tag: ECGMeasurement

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What does an electrocardiogram (ECG) measure?

The mechanical contractions of the atria and ventricles as they pump blood The electrical activity of the heart as detected from the body surface The volume of blood ejected from the ventricles with each heartbeat Blood pressure changes within the heart chambers during each cardiac cycle

Evaluating…