Electrocardiogram (ECG)

Electrocardiogram measures the electrical activity of the heart. An electrocardiogram or ECG or EKG is one of the most systematic and sequential procedure to evaluate the working of heart. Abnormality or changes in an ECG is an indicator of a heart related disease, conditions causing enlargement of heart, malfunctions in the electrical conduction system of the heart, imbalance in level of electrolytes, Pericarditis, Malfunction of one or more of the heart valves or chest trauma.

EKG can be performed for other reasons too. During a physical examination to obtain a baseline tracing of the heart’s function . (This baseline tracing may be used later as a comparison with future EKGs to see if any changes have occurred.). As part of a work-up prior to a procedure such as surgery to make sure no heart condition exists that might cause complications during or after the procedure. To check the function of an implanted pacemaker . To check the effectiveness of certain heart medications . To check the heart’s status post heart-related procedure.