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患者,女,38岁。因反复心慌、胸闷伴头晕10年,加重1月入院。胸闷及头晕呈阵发性,每次持续数分钟。近1月来,阵发性心慌及头晕更加明显。体检:一般状况良好,血压16.0/10.7kPa(120/80mmHg),心率65次/分,律齐,偶闻早搏,心界不大,各瓣膜区未闻及病理性杂音,双肺呼吸清晰,肝脾未及。作第一次心电图描记(图1):R_1R_2示窦性心律,P-R0.16秒,心率67次/分。R_3宽大畸形,为提前出现的室性早搏,在倒置的
Patient, female, 38 years old. Due to repeated palpitation, chest tightness with dizziness 10 years, increased in January admission. Chest tightness and dizziness were paroxysmal, each lasting several minutes. Nearly a month, paroxysmal palpitation and dizziness even more apparent. Physical examination: the general condition is good, blood pressure 16.0 / 10.7kPa (120 / 80mmHg), heart rate 65 beats / min, law Qi, premature ejaculation, heart is not big, the valve area is not heard and pathological murmur, Liver and spleen not yet. For the first electrocardiogram (Figure 1): R_1R_2 showed sinus rhythm, P-R0.16 seconds, heart rate 67 beats / min. R_3 large deformity, premature ventricular contractions appear in the inverted