
What is ECG?
An electrocardiogram (ECG) is a quick test that may be performed to examine your heart's electrical activity and rhythm. The electrical impulses your heart pumps out each time it beats are picked up by sensors affixed to your skin. A machine records these signals, and a doctor examines them to see whether they are abnormal.
An electrocardiogram, commonly known as an ECG or EKG, is frequently performed at a doctor's office, clinic, or hospital room. Operating rooms and ambulances come equipped with ECG units as normal. Smartwatches and other personal electronics can also provide ECG monitoring.
Why is ECG used?
Many common cardiac disorders may be diagnosed using an ECG, a painless, non-invasive procedure. An ECG may be used by a cardiologist to detect the following:
- Abnormal heartbeats (arrhythmias)
- Whether chest discomfort or a heart attack are being brought on by blocked or constricted arteries in the heart (coronary artery disease)
- Whether you've already experienced a heart attack
- How effectively a pacemaker or other therapies for cardiac illness are doing
A cardiologist might also suggest you get an ECG in case of chest pain. Dizziness, heart palpitations, shortness of breath, weakness, fatigue, rapid pulse, etc.
How is it performed?
There are several methods for performing an ECG. Typically, the test entails placing several tiny, sticky electrodes on your arms, legs, and chest. These are wired up to an ECG recording device. You'll need to remove your top clothing before the electrodes are put on, and your chest might need to be cleaned or shaved. You will be given a hospital gown after the electrodes are in place. The test itself often takes a few minutes, and you should be able to leave the hospital.
Are there any risks?
The ECG technique is risk-free. Since the test electrodes don't generate electricity, there is no danger of electrical shock. The electrodes capture only the heart's electrical activity.
When the electrodes are taken out, you can experience some slight discomfort, similar to removing a bandage. Where the patches were applied, some persons get a mild rash.