

LSD Toxicity
Practice Essentials Lysergic acid diethylamide (LSD), a hallucinogen that is also known as an entactogen (“to touch within” [1] ), is one...


Peritonitis and Abdominal Sepsis
Background Peritonitis is defined as an inflammation of the serosal membrane that lines the abdominal cavity and the organs contained...


Respiratory Syncytial Virus Infection
Practice Essentials Respiratory syncytial virus (RSV) (see the image below) is the leading cause of lower respiratory tract infections...


Status Asthmaticus
Practice Essentials Status asthmaticus is considered a medical emergency. It is the extreme form of an asthma exacerbation that can...


Hemolytic Anemia
Practice Essentials Hemolysis is the premature destruction of erythrocytes. A hemolytic anemia will develop if bone marrow activity...


What Is Epithelial Mesothelioma?
Epithelial, or epithelioid, mesothelioma cancer is the most common of this cancer’s three cell types. The epithelium is a protective...


Hemorrhagic Stroke
Practice Essentials In hemorrhagic stroke, bleeding occurs directly into the brain parenchyma. The usual mechanism is thought to be...


Ischemic Stroke
Ischemic stroke is characterized by the sudden loss of blood circulation to an area of the brain, causing a loss of neurologic function.


Chronic Obstructive Pulmonary Disease (COPD) and Emphysema in Emergency Medicine
Background Chronic obstructive pulmonary disease (COPD) is estimated to affect 32 million persons in the United States and is the fourth...


Staphylococcal Infections
Practice Essentials Staphylococcal infections usually are caused by Staphylococcus aureus (S aureus). However, the incidence of...









































