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1、何谓加速的心室节律?其临床意义如何? 答:加速的心室节律(AVR)亦称加速的心室自搏节律,多发生于急性心肌梗塞特别是下壁心肌梗塞的患者,也可见于风心病、心肌炎、洋地黄中毒、高血钾症患者,甚至在无器质性心脏病情况下发生。AVR是心室内异位节律点兴奋性增高的表现。其频
1, What is the clinical significance of accelerated ventricular rhythm? A: Accelerated ventricular rhythm (AVR), also known as accelerated ventricular ejection stroke rhythm, occurred in patients with acute myocardial infarction, especially in patients with inferior myocardial infarction, can also be found in the wind Heart disease, myocarditis, digitalis poisoning, patients with hyperkalemia, even in the absence of structural heart disease. AVR is a sign of increased excitability of the ventricular ectopic rhythm. Its frequency