How is echocardiography different from ECG and angiography?

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8 months ago

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)