Abstract
Bedside myocardial scintigraphy was performed on 149 patients admitted to the Coronary Care Unit (CCU), after IV injection of 74 MBq 201Tl, using a mobile gamma camera (Dynamo). The study was displayed on Polaroïd pictures, without any image treatment, and read by two independent readers. Clinical history, findings, and final diagnosis were assessed by an independent clinician. The following conclusions were reached: 1) The sensitivity of the study for the detection of a recent myocardial infarction (MI) was 0.84 with a specificity of 0.87. 2) There was a good correlation between scintigraphic and ECG localization. 3) No firm correlation was found between scintigraphic and enzymatic estimates of infarct size. 4) Abnormal visualization of the right ventricle was probably associated with more extensive infarction.
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