Ischemia is the medical term for what happens when your heart muscle doesn't get enough oxygen. Ischemia usually happens because of a shortage of blood and oxygen to the heart muscle.It is usually caused by a narrowing or blockage of one or more of the coronary arteries (which supply blood to the heart muscle).schemia is the medical term for what happens when your heart muscle doesn't get enough oxygen. Ischemia usually happens because of a shortage of blood and oxygen to the heart muscle.
The slug is a unit of mass associated with Imperial units and United States customary units. It is a mass that accelerates by 1 ft/s 2 when a force of one pound (lbF) is exerted on it.
Related words. 1  slug verb. 2  slug noun at URL slug. 3  URL slug noun.  slug it out 1  phrase. 1. a small creature with a soft body and no legs that moves very slowly. Slugs are similar to snails but they have no shell.  2. informal an amount of a strong alcoholic drink that you drink quickly She took another slug of whisky. Synonyms and related words.