The electrical impulses given off by the heart are picked up by electrodes and conducted into the machine through lead wites. Why must an electrolyte be used when recording an ECG? Because skin is a poor conductor of electricity and an electrolyte facilitates the transmission of the hearts electrical impulse.Click to see full answer. Keeping this in consideration, what’s the purpose of electrocardiography?An electrocardiogram — abbreviated as EKG or ECG — is a test that measures the electrical activity of the heartbeat. With each beat, an electrical impulse (or “wave”) travels through the heart. This wave causes the muscle to squeeze and pump blood from the heart.One may also ask, what is a lead and what information does it provide? A lead is a tracing of the electrical activity of the heart between two electrodes and provides an electrical “photograph” of the heart’s activity from a different angle. Then, what is the purpose of an electrocardiogram quizlet? The purpose of a pulmonary function test is to assess cardiac functioning. An ECG is a recording of the electrical activity of the heart. The AV node sets the pace of the heart. The P wave represents the contraction of the ventricles.What maintenance should be performed on an ECG machine?The electrodes must be clean and free from dirt for accurate measurements. The personal ECG machine can be cleaned gently with a soft cloth slightly damped with water, disinfectant alcohol or detergent and then wiped with a dry cloth. If the electrodes are dirty, wipe the dirt off using a soft cloth or cotton swab.
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