Acute and chronic conditions typically differ in how they develop and how long they last. Broadly speaking, acute conditions occur suddenly, have immediate or rapidly developing symptoms, and are ...

Bronchitis happens when your bronchial tubes become swollen and inflamed. Your bronchial tubes are responsible for delivering air from your windpipe to your lungs. Bronchitis makes it harder for air ...

Even mild COVID-19 cases can trigger lingering symptoms, especially in women and younger adults, while severe cases show a strong link to long-term fatigue, brain fog, and joint pain, setting COVID-19 ...

A new clinical classification system is presented to define the severity of an acute PE and assist in developing adult treatment strategies.

Healthcare professionals use various criteria to describe acute and chronic conditions. The two types of conditions have several differences in the way people experience, develop, and receive ...

This Journal feature begins with a case vignette highlighting a common clinical problem. Evidence supporting various strategies is then presented, followed by a review of formal guidelines, when they ...

Acute hemorrhagic gastroenteritis is characterized by the sudden onset of bloody diarrhea and other gastrointestinal (GI) symptoms, like abdominal pain and nausea. In humans, acute hemorrhagic ...

Correspondence to Professor Martin Schwellnus, Sport, Exercise Medicine and Lifestyle Institute, University of Pretoria, Faculty of Health Sciences, Pretoria, South Africa; mschwell{at}iafrica.com ...

Skin, gastrointestinal, and liver symptoms are common manifestations of graft-versus-host disease (GVHD). The potentially life threatening complication is from allogeneic hematopoietic stem cell ...