例 1:男性 ,70岁 ,主因间断头晕、头痛 2 a,加重 1周入院。既往患高血压病、十二指肠球部溃疡 ,平素服用复方降压片等治疗。查体 :血压 16 4/ 10 2 mm Hg(2 1.9/ 13.6 k Pa) ,心界不大 ,心律齐 ,两肺未闻及音 ,双下肢无浮肿 ,神经系统无病理征。入院后即予心痛定 10 mg,每日 Example 1: Male, 70 years old, mainly due to intermittent dizziness, headache 2 a, increased 1 week admission. Previously suffering from hypertension, duodenal ulcer, usually taking compound antihypertensive tablets and other treatment. Physical examination: blood pressure 16 4/10 2 mm Hg (2 1.9 / 13.6 kPa), heart is not big, heart rhythm Qi, both lungs did not smell and  sound, no swelling of both lower extremities, the nervous system without pathological signs. After admission to heartache given 10 mg, daily