患者女性,70岁。因突发性头昏、头痛、心悸胸闷、呕吐伴左侧肢体活动受限近2d,于1998年4月27日下午6时入院。头颅CT检查确诊为“右侧颞叶及顶枕叶脑梗死”。患者1996年曾有脑梗死(右侧颞叶)史,高血压病史10余年。图1为急诊入院时所测得,见P-P间距约0.95s,窦性心律约为63次/min,QRS波时限≥0.12s,Ⅰ导联呈Rs型,aVL呈rS型,S波宽钝,V_1导联呈rsR′型,V_5呈qRs型,S波宽钝,QT间期达0.5s Patient female, 70 years old. Due to sudden dizziness, headache, palpitations, chest tightness, vomiting with left limb activity limited to 2d, on April 27, 1998 at 6 pm admission. Head CT examination diagnosed as “right temporal lobe and occipital lobe cerebral infarction.” Patients in 1996 had a history of cerebral infarction (right temporal lobe), history of hypertension more than 10 years. Figure 1 was measured at emergency admission, see PP spacing of about 0.95s, sinus rhythm of about 63 beats / min, QRS wave duration ≥ 0.12s, Ⅰ lead was Rs type, aVL was rS type, S wave width blunt , V_1 lead was rsR ’type, V_5 was qRs type, S wave width blunt, QT interval of 0.5s