Paul S C, Johnson P
Department of Nursing, Medical University of South Carolina, Charleston 29425-0600.
Heart Lung. 1990 Jan;19(1):27-30.
We describe an electrocardiographic finding indicative of critical stenosis high in the left anterior descending coronary artery. Patients at risk have prior angina and normal or minimally elevated cardiac enzyme levels. Their electrocardiogram exhibits no precordial Q waves and little or no ST elevation but, rather, deep and symmetric T waves. The presence of these findings indicates that the patient has had subendocardial ischemia or infarct, which, if not treated, may evolve to encompass the entire thickness of the myocardium. The need for prompt recognition of these critical warning signs is obvious. Critical care nurses must be prepared to recognize and act on these findings in a rapid, efficient manner.
我们描述了一种心电图表现，它提示左前降支冠状动脉高位严重狭窄。有风险的患者既往有胸痛症状，心肌酶水平正常或仅轻微升高。他们的心电图没有胸前导联Q波，ST段抬高很少或没有，但有深而对称的T波。这些表现的出现表明患者发生了心内膜下缺血或梗死，如果不进行治疗，可能会发展为累及整个心肌厚度。显然需要迅速识别这些关键的警示信号。重症护理护士必须做好准备，以快速、有效的方式识别这些表现并采取行动。
