Shea M J, Deanfield J E, Wilson R A, Delandsheere C M, Selwyn A P
Am J Med. 1987 Feb;82(2):357-60. doi: 10.1016/0002-9343(87)90087-8.
Ambulatory outpatient monitoring of patients with angina suggests a different view of myocardial ischemia than is conventionally obtained from in-hospital tests. Multiple episodes of ST segment depression occur, and the majority of these disturbances are not associated with symptoms. Recently, studies of regional myocardial perfusion using the technique of positron emission tomography with rubidium 82 have confirmed the ischemic nature of these silent ST changes. Furthermore, activities of everyday life such as mental stress or cold exposure seem to provoke both symptomatic and asymptomatic ischemia, as judged by ST depression and reduced cation uptake. This report presents an unusual case of silent myocardial ischemia observed during the chewing of food.
对心绞痛患者进行门诊动态监测所显示的心肌缺血情况，与通过传统住院检查所获得的情况有所不同。会出现多次ST段压低发作，且这些异常情况大多与症状无关。最近，使用82铷正电子发射断层扫描技术对局部心肌灌注进行的研究证实了这些无症状ST段改变的缺血性质。此外，诸如精神压力或寒冷暴露等日常生活活动似乎会引发有症状和无症状的缺血，这可通过ST段压低和阳离子摄取减少来判断。本报告介绍了一例在咀嚼食物时观察到的无症状心肌缺血的罕见病例。
