Articles: emergency-services.
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To determine the sensitivity, specificity, and predictive values of a new rapid creatine kinase-MB (R-CK-MB) assay compared with a standard CK-MB (S-CK-MB) assay and to determine its potential use in the evaluation of emergency department patients with possible myocardial infarction. ⋯ The R-CK-MB assay demonstrated high sensitivity and specificity compared with the S-CK-MB assay. When used for patients in whom a cardiac care unit admission is not considered, the rapid assay may identify some patients with unsuspected myocardial infarction and prevent inadvertent discharge or admission to unmonitored beds.
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A 42-year-old woman presented with the acute onset of bilateral blurred vision that occurred immediately after bending over. She denied pain or any other associated symptoms. ⋯ This case represents an atypical presentation of acute narrow-angle glaucoma, a true ophthalmological emergency. The pathophysiology and treatment options of this disease process are summarized.