Practical Emergency Medicine

Practice Essentials Hypokalemia is defined as a potassium level of less than 3.5 mEq/L, while moderate hypokalemia is a serum level of...

Practice Essentials Hyperkalemia is defined as a potassium level greater than 5.5 mEq/L. [1] It can be difficult to diagnose clinically...

Practice Essentials Hypercalcemia is a disorder that most commonly results from malignancy or primary hyperparathyroidism. [1, 2, 3, 4,...

Practice Essentials Ingestion of excessive calcium channel blocker (CCB) agents is one of the most potentially lethal prescription drug...

Background Hepatitis, a general term referring to inflammation of the liver, may result from various causes, both infectious (ie, viral,...

Practice Essentials Anaphylaxis is an acute, potentially fatal, multiorgan system reaction caused by the release of chemical mediators...

Practice Essentials Malaria is a potentially life-threatening parasitic disease caused by infection with Plasmodium protozoa transmitted...

Background Adenovirus, a DNA virus, was first isolated in the 1950s in adenoid tissue–derived cell cultures, hence the name. These...

Introducción El 5 de abril de 2022, el Punto Focal Nacional del Reglamento Sanitario Internacional (RSI) para el Reino Unido notificó a...

Summary Aortic dissection (see the image below) is defined as separation of the layers within the aortic wall. Tears in the intimal layer...