How is echocardiography different from ECG and angiography?
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1 Answer
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While all three are used to diagnose heart-related conditions, they differ in technology, purpose, and detail. Here's a comparison:
Test
Description
Invasiveness
Echocardiography
Uses ultrasound to create live images of the heart's structure and motion.
Non-invasive
ECG (Electrocardiogram)
Measures the electrical activity of the heart through skin electrodes.
Non-invasive
Angiography
Uses X-rays and contrast dye to view blood vessels and detect blockages.
Minimally invasive (catheter inserted)
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