Risk stratification of patients with chest pain has traditionally focused on identifying obstructive coronary artery disease (CAD). Using this traditional approach, many symptomatic individuals are ...

Each heavy vertical line represents two-tenths second. Note the double systolic sound associated with the double summit of the pulsus bisferiens in this case of severe aortic stenosis. The purpose of ...

Susan Bard, MD, is a board-certified general and procedural dermatologist with the American Board of Dermatology and a Fellow of the American College of Mohs Surgery. Cold weather can cause your ...

Persistent Fetal Circulation. Rostal-caudal MRA projection. A number of individuals have a normal anatomic variant known as a persistent fetal circulation, where the posterior cerebral artery (PCA) ...