noun, Physiology. 1. an instrument, often attached to an inflatable air-bladder cuff and used with a stethoscope, for measuring blood pressure in an artery. He who worships his sphygmomanometer as a thing apart and infallible will sooner or later come to grief.
Pericarditis is an inflammation of the tissue layers surrounding the heart. The chest pain of pericarditis is usually sharp and stabbing. It can radiate to the back, neck, or arm. The pain may worsen when taking a deep breath or lying flat and lessen when leaning forward.
Usually, heartburn is thought to feel like some level of discomfort in the chest area. While that can be one of the symptoms of heartburn, it's typically not the only one. Also, some people who experience heartburn won't ever have any discomfort in their chests.