4 meanings of USMLE acronym and USMLE abbreviation. Get the Medical definition of USMLE by All Acronyms dictionary. Top Definition: United States Medical Licensing Exam In Medical dictionary category.
Pericarditis Definition. Inflammation of the lining around the heart (the pericardium) that causes chest pain and accumulation of fluid around the heart (pericardial effusion). There are many causes of pericarditis, including infections, injury, radiation treatment, and chronic diseases. SOURCE: MedTerms.
1 A collapsed lung feels like a sharp, stabbing chest pain that worsens on breathing or with deep inspiration. 2  This is referred to as pleuritic because it comes from irritation of nerve endings in the pleura (inner lining of the rib wall). Pain often radiates to the shoulder and or back. 2  A dry, hacking cough may occur because of irritation of the diaphragm. 3  If a tension pneumothorax is present, signs of cardiovascular collapse and shock will occur.