The financial assistance policies of some U.S. hospitals now define medical necessity much more restrictively than it has conventionally been understood, as covering only services that are urgently ...

In the current anti-immigrant political environment in the United States, what will happen when immigrants who work in the health care system are forced to leave?

A 51-year-old man presented with a 3-month history of weight loss, diarrhea, and fever. Transthoracic echocardiography showed vegetations on the aortic and mitral valves. A duodenal biopsy showed ...

Intravenous thrombolysis remains a standard treatment for acute ischemic stroke within 4.5 hours after onset. Vascular ...

A 63-year-old woman was evaluated for dyspnea and edema. Soft-tissue thickening was noted in the retroperitoneum and mediastinum and around the heart and vessels. A diagnosis was made.