MEDICAL
HEART AND PERICARDIUM
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Question
[CLICK ON ANY CHOICE TO KNOW THE RIGHT ANSWER]
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A recording of electrical changes that occur during the cardiac cycle
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blood pressure reading
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ECG
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QRS wave
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t Wave
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Explanation:
Detailed explanation-1: -Answer and Explanation: Electrocardiography (ECG or EKG) is the recording of electrical changes occurring in the myocardium during the cardiac cycle.
Detailed explanation-2: -An ECG shows three “waves” of signals. The “P” wave indicates the electrical impulse in the upper chambers of the heart. The “QRS” wave records electrical activity in the lower chambers. The “T” wave reflects the heart’s return to rest.
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