Syncope
Overview Practice Essentials Syncope is defined as a transient, self-limited loss of consciousness [1] with an inability to maintain...
Angina Pectoris
Practice Essentials Angina pectoris is the result of myocardial ischemia caused by an imbalance between myocardial blood supply and...
Emergent Management of Subarachnoid Hemorrhage
Overview Emergent management of subarachnoid hemorrhage (SAH), including prehospital care, is critical. Headache caused by SAH from a...
Summarizing the 2021 Updated GOLD Guideline for COPD
Abstract and Introduction Abstract Chronic obstructive pulmonary disease (COPD) is a complex disease that requires differential diagnosis...
Meningococcemia
Practice Essentials Meningococcemia is a bloodstream infection (BSI) caused by Neisseria meningitidis. Its wide variety of acute...
Encephalitis
Practice Essentials Encephalitis presents as diffuse or focal neuropsychological dysfunction. Although it primarily involves the brain,...