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例1 患者女性,32岁。因受凉后心慌、胸闷、乏力,偶有头晕2天来院就诊。体检:体温36.7℃,脉搏62次/分,血压17.3/11.3kPa。心率62次/分,律不齐,心音稍低,心前区未闻及病理性杂音及心包摩擦音。胸部X线平片示双肺纹理略增强,左室轻度扩大。白细胞7.3×10~9/L,中性0.72、淋巴0.26。血沉5mm/h,抗“O”≤250u。超声心动图示左室收缩功能轻度降低。心电图:窦性心律,频率64次/分,R—R间期进行性缩短,长R—R间期前的短R—R最短,长R—R间期小于任何两个短R—R间期之和。此改变周
Example 1 Female patient, 32 years old. Due to cold after palpitation, chest tightness, fatigue, occasional dizziness 2 days to the hospital. Physical examination: body temperature 36.7 ℃, pulse 62 beats / min, blood pressure 17.3 / 11.3kPa. Heart rate 62 beats / min, irregular arrhythmia, heart sounds slightly lower, precordial and pathological murmur and pericardial friction sound. Chest X-ray film showed slightly enhanced lung texture, slightly enlarged left ventricle. WBC 7.3 × 10 ~ 9 / L, neutral 0.72, lymph 0.26. ESR 5mm / h, anti “O” ≤ 250u. Echocardiography showed a slight decrease in left ventricular systolic function. ECG: sinus rhythm, the frequency of 64 beats / min, R-R interval was shortened, short R-R long R-R shortest before the long R-R interval is shorter than any two short R-R Period and. This change week