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例、张××、男、54岁。因突然剧烈头痛、呕吐,伴意识不清6小时入院。查体:体温38℃,呼吸24次/分,呼吸不规则。脉搏103次/分,血压220/100mmHg,深昏迷,瞳孔缩小如针尖,光反射消失。头眼反射消失。四肢呈弛缓性瘫。入院前心电图正常。入院后早7点心电图表现:P波规律出现、Ⅱ、Ⅲ、avF↑,avR↓。心率103次/分。QRS波群:Ⅰ呈R,Ⅱ呈V;Ⅲ呈VSr;avR呈QS,avI呈R,Qr型,V_1呈V_5;V_3呈Rs;V_5R_5、 S—T段: Ⅰ—Ⅱ近似水平↓≥0.1mv;avR↑>0.1mv,V_5近似水平↓0.2mv。T波:Ⅰ、Ⅲ、avF,V_5(±)双向,avR(±)双向,V_1V_3直立。当晚2点描记心电图呈急性下壁心肌梗塞改变,P波规律出现,Ⅱ、Ⅲ,avF↑,avR↓、心率81次分,QRS波群:Ⅱ、Ⅲ,
Example, Zhang × ×, male, 54 years old. Due to sudden severe headache, vomiting, companion unconsciousness 6 hours admission. Physical examination: body temperature 38 ℃, breathing 24 beats / min, irregular breathing. Pulse 103 beats / min, blood pressure 220 / 100mmHg, deep coma, miosis, such as the tip, the light reflection disappears. Head reflection disappear. Limb flaccid paralysis. Pre-hospital ECG normal. As early as 7:00 after admission ECG: P wave law appears, Ⅱ, Ⅲ, avF ↑, avR ↓. Heart rate 103 beats / min. QRS complex: Ⅰ was R, Ⅱ was V; Ⅲ was VSr; avR was QS, avI was R, Qr type, V_1 was V_5; V_3 was Rs; V_5R_5, S-T segment: Ⅰ-Ⅱ approximate level ↓ ≥0.1 mv; avR ↑> 0.1mv, V_5 approximate level ↓ 0.2mv. T wave: Ⅰ, Ⅲ, avF, V_5 (±) bidirectional, avR (±) bidirectional, V_1V_3 upright. The electrocardiogram was recorded at 2 o’clock that of acute inferior wall myocardial infarction, P wave appeared, Ⅱ, Ⅲ, avF ↑, avR ↓, heart rate 81, QRS complex: Ⅱ, Ⅲ,