What does an electrocardiogram (ECG) measure? Question 1 options: electrical activity of the myocardium heart rates and rhythms over 24-hours blood pressure levels at the ankle and arm blood flow through the coronary arter
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Electrocardiogram is a measure of (a) Heart rate (b) Ventricular contraction (c) Volume of blood pumped (d) Electrical activity of heart
An ECG measures a. changes in electrical potential during the cardiac cycle. b. $\mathrm{Ca}^{2+}$ concentration of the ventricles in diastole. c. the force of contraction of the atria during systole. d. the volume of blood being pumped during the contraction cycle.
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