老柳很爱运动，晨起慢跑坚持了10多年，可最近一年多来出毛病了。以前，四五百米一圈的跑道，他跑上七八圈不会喘粗气，如今刚一起步就觉得心里跳得慌。有一两次他咬牙想坚持，但跑不过两圈居然胸口隐隐作痛起来，再也不敢往前跑了。上医务室检查，医生说是冠心病心绞痛，吓得 Old Liu love sports, jogging up early morning adhere to more than 10 years, more than a year in recent years can be a problem. In the past, four or five hundred meters lap of the runway, he ran seven or eight laps will not gasping, and now just started to feel heart jumped in panic. One or two times he wanted to insist on bite, but running twice but actually faint chest pain, no longer dare to run forward. Check on the clinic, the doctor said coronary heart disease angina, scared