急性心房心肌梗死

急性心房梗死由于确诊困难、临床症状易于被心室梗死掩盖以及临床医师对其认识不足而较少受到重视。急性心房梗死常为右房梗死,心电图上P-Ta段的变化及房性心律失常是其特征性的表现。心肌梗死急性期出现的房颤一部分就是由于出现了心房梗死,常发生在右冠脉于窦房结动脉发出前闭塞或回旋支于左心房回旋支发出前闭塞的病例。本文对心房梗死的发生率、临床特征、诊断标准及治疗予以综述,表明心房梗死不同于心室梗死的临床过程及对心肌梗死预后产生影响,以引起临床医师的重视。

Acute Atrial Myocardial Infarction

Acute atrial myocardial infarction attracts less attention because of many factors including the difficulty in diagnosis,masking of the clinical symptom by the symptom of ventricular infarction and the insurfficient recognition of doctor in this disease.Right atrial infarction is the common type in this disease,its distinctive manifestations are the changes of P wave and Ta segment in electrocardiogram(ECG).A part of new-atrial fibrillation in the acute phase of myocardial infarction results from atrial myocardial infarction because of the occlusion of the right coronary artery before the sinus node branch or the circumflex coronary artery before the left atrial circumflex branch.In order to attract physicians′attention,we review the incidence,clinical feature,diagnositic criteria and therapy of the disease indicating the difference between atrial infarction and ventricular infarction in clinical course and the affection on prognosis of myocardial infarction.