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A member asked:
How do ecg work? what do they do and what heart conditions can an ecg detect? should everyone get it done?
A doctor has provided 1 answer
Electrocardiogram: ECG is essentially a voltmeter, measuring the electrical activity in the heart. The electrical activity in the heart is due to the movement of sodium, potassium, and calcium in and out of the cells, which generate very small amounts of detectible voltage. It is used for to check for heart rhythm problems or for heart attack. Typically only done in people with symptoms of concern.
Answered 1/16/2017
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My heart often 'flutters' or skips a beat which can take my breath away. Plus i get dizzy spells. Ecg normal. Heart conditions in family
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