An ECG (EKG or ECG) may be a confirm checks for problems with the electrical activity of your heart. Associate in Nursing ECG shows the heart's electrical activity as line tracings on paper. The spikes and dips inside the tracings area unit called waves.The heart may be a muscular pump created from four chambers . the two higher chambers area unit called atria. the two lower chambers area unit called ventricles. A natural electrical system causes the middle muscle to contract. This pumps blood through the middle to the lungs and additionally the rest of the body.
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