Thallium-201 Myocardial Imaging as a Selection Method for the Coronary Care Unit
In many patients admitted to the coronary care unit, the diagnosis of acute myocardial infarction is evident at the time of arrival at the hospital. However, among the patients referred to a coronary care unit a significant number has complaints which are determined later not to be caused by acute coronary artery insufficiency. In many of these patients, the history and the initial electrocardiogram will provide sufficient information to recognize the noncar-diac etiology of the complaints. Nevertheless, a substantial group of patients still remains in whom initial evaluation provides a questionable history and a nondiagnostic electrocardiogram : in these patients admission and further observation for at least 24 hours in the coronary care unit seems unavoidable to rule out acute myocardial infarction or ischemia. In order to maximize efficient management and use of the coronary care unit, early and proper characterization of patients in whom the diagnosis remains in question is essential.
KeywordsIschemia Dura Dial Thallium Nitroglycerin
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