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女性,79岁。高血压病二十年,右侧偏瘫伴昏迷2小时。血压200/100,心率68次,不规则。心尖区有Ⅱ级收缩早、中期杂音。血钾4.2mEQ/L,血镁正常。心肌酶正常。心电图特征:可见三种P波:第一类呈直立尖角状,如工导联P_(4、5、11),ⅡA中P_(1、12),ⅡB中P_(7、8、9),系窦性P波。第二类倒置P波,如工导的P_(1、2、6、7、8、9、11),ⅡA的P_(5、7、8、9),ⅡBP_(1、4、5、6),可单个出现,或成串出现,频率75分/次,属非阵发性交界性心动过速。第三类P波形态多变,介于上述两者之间,多数呈正负双
Female, 79 years old. Hypertension twenty years, the right hemiplegia with coma 2 hours. Blood pressure 200/100, heart rate 68 times, irregular. Apex Ⅱ area contraction early, mid-murmur. Potassium 4.2mEQ / L, normal blood magnesium. Myocardial enzymes normal. Electrocardiogram characteristics: three kinds of P waves can be seen: the first was erect erect angular, such as lead P_ (4,5,11), Ⅱ A P_ (1,12), Ⅱ B P_ (7,8,9) , Department of sinusoidal P wave. The second type of inverted P wave, such as the pilot P_ (1,2,6,7,8,9,11), Ⅱ A P_ (5,7,8,9), ⅡBP_ (1,4,5,6 ), May appear singly, or appear in a string, the frequency is 75 min / time, it is non-paroxysmal junctional tachycardia. The third type of P wave changeable, between the above two, most were positive and negative double