Pathological Q wave

The pathological Q wave is a manifestation of myocardial infarction. The physiological T wave inversion is sometimes a normal physiological response caused by exercise. Its characteristics are: ① T wave is an asymmetric arrow-like change; ② no QT interval is prolonged; ③ ST Duan Medical Education Network original stayed on the baseline for a short time; ④ T-wave inversion depth <0.2mV.

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