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A member asked:
What do the letters qrs mean on the the electrocardiogram?
A doctor has provided 1 answer
ECG QRS: Q is a downward deflection on the ecg, r is an upward deflection and s a downward one. The trio, qrs, represents the electrical activity ov ventricular contraction on the electrocardiogram.
Answered 12/1/2019
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I've just got an ECG and it says something like this: high voltage qrs complexes on the pre-cordials derivations what does it mean ?
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