Electrocardiogram(ECG) is also known as EKG (Elektrokardiogram in Dutch/German),it  is a standard test for cardiac health that assists in identifying various cardiac irregularities. The purpose of this test is to check how the cardiac electrical system functions.

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Heartbeats are captured in an electrocardiograph that is reproduced by software or a tool known as ECG Simulator. There are various types of simulators, each with a different number of leads (10 or 12) and various types of patients' cables. Compatibility of leads as well as cables for patients should be verified using the diagnostic equipment.

An ordinary ECG detects irregularities in the heart's rhythm and conduction of heartbeats. It can help identify various issues and also the patient's response to treatment.

ECG can be conducted in the event that indicates chest discomfort (angina) or difficulty breathing, palpitations and fainting. It may reveal obvious coronary artery disease and the impact of medication on it. It could also show an earlier heart attack or the reason behind an irregular or rapid heartbeat. It is also a way to detect the thickening of the heart muscle as well as be aware of the mineral content in blood. 

An ECG is conducted using the use of 10 or 12 self-adhesive electrodes (or cables) that are affixed to legs, arms, and chests on freshly shaved and clean skin. The test is non-invasive and does not take longer than a minute once the leads are placed. The doctor will then offer suggestions following a review of the print on paper from ECG.