The ECG is used to evaluate suspicious difficulties with the electrical conduction module of the heart as well as some other disorders such as metabolic disorders (e.g. excess potassium). The ECG is an effective tool for healthcare providers to diagnose irregular heartbeats when one is detected. It is a routine investigation of people who complain about symptoms such as chest pain and shortness of breath. The findings of the ECG helpful to Diagnose heart attack & decide on certain aspects of treatment in individuals who have a heart attack. During the recording procedure, the frequency is calculated and magnified from the 10 electrodes positioned on your body and then recorded on a piece of graph paper with different components.