Frequently Asked Questions (FAQs)

Q: Is an ECG test painful or dangerous to the patient?

A: No. An ECG is a completely safe, painless, and non-invasive procedure. The machine solely records the natural electrical activity generated by the heart and does not transmit electrical currents into the body.

Q: What is the price range of an ECG machine in India?

A: Prices typically range from ₹20,000 to over ₹1.5 Lakhs. Entry-level single-channel or compact handheld models are lower in cost, while advanced 12-channel machines featuring automated interpretation algorithms and touchscreen interfaces command higher prices.

Q: What is the primary difference between a 3-channel and a 12-channel ECG machine?

A: A 3-channel machine records and prints data from 3 leads sequentially, whereas a 12-channel machine captures and prints all 12 leads simultaneously, enabling faster workflow and comprehensive diagnostic accuracy.

Q: Can an ECG machine detect an ongoing heart attack?

A: Yes. An ECG is one of the primary, fastest diagnostic tools used to detect acute or past myocardial infarctions (heart attacks) by identifying specific wave abnormalities like ST-segment elevation or Q-wave changes.

Q: What causes wavy lines or noise (artifacts) on the ECG printout, and how can it be prevented?

A: Artifacts are caused by patient movement, shivering, poor electrode-to-skin contact, dried gel, or electrical interference. Proper skin preparation, fresh conductive gel, keeping the patient relaxed, and verifying cable integrity resolve these issues.

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