邻居退休教师李君近日常感左前胸持续疼痛,且疼痛程度较剧烈,上医院连续就诊两次,先作了心电图检查,报告提示心肌缺血,他原有冠心病史,于是顺理成章地被诊断为心绞痛,然而用了硝酸甘油片、丹参滴丸等许多药物,毫不见效。继而又拍了胸片,无异常发现。医生说这是不稳定型心绞痛,建议住院作进一步检查。典型的心绞痛表示为突然发生的位于胸骨体上段或中段压榨性、闷胀性或窒息性疼痛,亦可能波及大部分心前区,可放射至左 Neighbors retired teacher Li Jun has often felt the left chest continuous pain, and the pain was more intense, the hospital for two consecutive visits, first made an electrocardiogram, the report prompted myocardial ischemia, his original history of coronary heart disease, so a logical diagnosis For angina, but with nitroglycerin tablets, pills and many other drugs Salvia, no effect. Then took a chest X-ray, no abnormalities found. Doctors say it is unstable angina, it is recommended to hospital for further examination. Typical angina is expressed as a sudden onset of stress in the upper or mid-section of the sternum, with stuffy or asphyxia, and may also affect most precordial areas and may radiate to the left