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患者男性,30岁,1990年3月27日17:20被高速旋转的圆钢打伤,致使胸部挫伤、多发性肋骨骨折、心脏挫伤及右下颌部裂伤。伤后患者自觉胸痛、呼吸困难,入院时神志清楚,呼吸尚平稳,听诊心音钝,律整,心率100次/min,血压正常,X线可见肋骨骨折,心尖搏动较弱。20:30患者自述胸痛难忍,心电图(图1,见第240页,后同)。图1A示:QRS波在Ⅰ呈 qR型,aVL呈Qr型。Q波时限>0.04s,aVL的Q波振幅>
Male patient, 30 years old, at 17:20 on March 27, 1990 was injured by a round steel bar rotating at high speed, causing contusion in the chest, multiple rib fractures, contusion of the heart, and laceration of the right lower jaw. Patients with chest pain and dyspnea after injury were conscientious in admission, consciously breathing, stable in auscultation, blunt auscultation, heart rate 100 beats / min, normal blood pressure, rib fractures on X-ray and weak apex beat. 20:30 Patient self-report unbearable chest pain, ECG (Figure 1, see page 240, the same below). Figure 1A shows: QRS wave in Ⅰ was qR type, aVL was Qr type. Q wave time limit> 0.04s, aVL Q wave amplitude>