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Dr. Nikhila Pachani
Interventional Cardiologist

Health Awareness

ECG, ECHO, and TMT: What Is the Difference?

Your doctor asked for an ECG, an ECHO, or a TMT — but what does each test actually do? Dr. Nikhila Pachani, Interventional Cardiologist in Rajkot, explains it simply.

ECG, ECHO, and TMT: What Is the Difference?

Has your doctor ever asked you to get an ECG, an ECHO, or a TMT — and you weren't sure what each one means? You are not alone. These are three of the most common heart tests, and each one checks your heart in a different way. Dr. Nikhila Pachani, Consultant Interventional Cardiologist at Backbone Medicity Hospital, Rajkot, explains what sets them apart.

ECG (Electrocardiogram)

An ECG records the electrical activity of your heart. Small sticky pads are placed on your chest, arms, and legs. The machine reads the signals your heart sends with every beat.

This test helps doctors find:

  • Arrhythmias — when the heart beats too fast, too slow, or irregularly
  • Heart attacks — including past or ongoing ones
  • Certain complex heart diseases

An ECG is quick, non-invasive, and takes only a few minutes.

ECHO (Echocardiogram — 2D, 3D, or 4D)

An ECHO is essentially an ultrasound of the heart. A small probe is moved over your chest, and sound waves create a live moving picture of your heart.

This test shows doctors:

  • How well the heart is pumping (ejection fraction)
  • Valve problems — such as a leaky or narrowed valve (stenosis)
  • Structural abnormalities — like cardiomyopathy (a weakened or thickened heart muscle)
  • Other changes in the shape or size of the heart

Modern ECHO machines can produce 2D, 3D, or even 4D images for a more detailed look.

TMT (Treadmill Stress Test)

A TMT, also called a stress test, checks how your heart behaves when your body is working hard. You walk on a treadmill at increasing speeds while your heart rate and ECG are monitored continuously.

This test helps detect:

  • Heart rate abnormalities that only appear during physical activity
  • Coronary stenosis — narrowing in the arteries that supply blood to the heart
  • Other major cardiac conditions that may not show up while you are resting

Which Test Is Right for You?

Each of these tests gives your cardiologist a different piece of the puzzle. Often, more than one test is needed to get a complete picture of your heart health. The right test depends on your symptoms, your risk factors, and your doctor's clinical judgement.

If you have been asked to get any of these tests, or if you have concerns about your heart health, consider booking a consultation with a qualified cardiologist for personalised guidance.

#ECG#Echocardiogram#TMT#Stress Test#Heart Tests#Cardiac Diagnosis#Heart Health#Arrhythmia#Valve Disease#Cardiomyopathy#Backbone Medicity#Rajkot Cardiology

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