What symptom does paroxysmal supraventricular tachycardia have when not attack
This disease won’t happen. The so-called supraventricular tachycardia in clinic refers to an arrhythmia. Come on, or if there is no onset period, there will be no arrhythmia, which is like normal heart rate. It is normal for us to do electrocardiogram. Listen, it is normal for us to do ordinary examination, and only when there is an onset, the heart rate is abnormal.
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