患者女性,29岁,农民,在某医院准备作妇科手术时发现心律不整转来本院心血管门诊。主诉有时有心悸、胸闷外无其他自学症状。体检：一般情况好,略消瘦,BP120/79mmHg,无发绀,无杵状指,两肺无殊,心浊音界不扩大,心脏听诊胸骨左缘第3、4肋间闻及3级SM,向心尖部放射；心律不齐闻及早搏,临床疑为心肌病？心电图Ⅱa、Ⅱb导联为同次不连续加高电压记录(附图,见第102页),示P波形态有3种以 Female patient, 29 years old, farmer, was found in a hospital gynecological surgery found irregular heartbeat to our hospital cardiovascular clinic. Chief complaint sometimes palpitations, chest tightness, no other self-learning symptoms. Physical examination: the general situation is good, a little thin, BP120 / 79mmHg, no cyanosis, no clubbing refers to the two lungs without special heart diastolic sector does not expand the heart auscultation of the left sternal 3,4 intercostal smell and 3 SM, Apical radiation; irregular heartbeat smell and premature beats, clinical suspected cardiomyopathy? ECG Ⅱ a, Ⅱ b lead for the same time discontinuous plus high voltage recording (with photos, see page 102), showing three P wave morphology to