ECG changes in acute pericarditis are: ST elevation with concavity upward T inversion occurs after some days (once ST segment returns to baseline) No change in QRS complexes
Extended wear contact lenses (most important) Use of contact lenses while swimming Use of home made solutions for cleaning contact lenses Washing eyes with contaminated water Airborne contaminants
Disseminated intravascular coagulation (DIC) differs from thrombotic thrombocytopenic purpura. In this reference the DIC is most likely characterized by: A. Significant numbers of schistocytes B. A brisk reticulocytosis
The usefulness of a ‘screening test` in a community depends on its : A. Sensitivity B. Specificity C. Reliability D. Predictive value Correct answer : A. Sensitivity A
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