A patient has a surgical procedure described as an arthrotomy. the suffix -tomy electrocardiograph
The technique of electrocardiography involves creating an electrocardiogram (ECG or EKG[a]), which is a recording of the electrical activity of the heart. It is a heart electrogram, which uses electrodes applied to the skin to create a graph of voltage vs time for the electrical activity of the heart. Each cardiac cycle results in the depolarization and repolarization of the cardiac muscle, which is detected by these electrodes (heartbeat).
Numerous cardiac disorders, including irregular heartbeat (such as atrial fibrillation and ventricular tachycardia), insufficient coronary artery blood flow (such as myocardial ischemia and myocardial infarction), and electrolyte problems, result in changes in the normal ECG pattern.
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