Gary Stallings

All articles by Gary Stallings

Contrast-related allergy

Iodinated contrast media is generally safe. The reaction is due to the hypertonicity of the media, not the iodine. High osmolality contrast agents have a higher risk of reaction. Lower osmolality contrast agents (especially non-ionic) tend to be better tolerated and have lower incidence of reactions, but they are more costly (up to 10 times…

Elevated Liver Enzymes (Hepatitis)

A complete liver panel should include the aminotransferases (AST, ALT), Alkaline Phosphatase, Total bilirubin as well as tests of liver function: Albumin, Prothrombin time (PT) and international normalized ratio (INR). In general,, a liver enzyme panel should not be used as a screening test because of its low sensitivity and specificity for identifying clinically significant…

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