Artery spasm, coronary
A spasm (a sudden constriction) of one of the coronary arteries depriving the (myocardium (the heart muscle) of blood and oxygen. This can cause chest pain referred to as variant (or Printzmetal's) angina. Coronary artery spasm can be triggered by emotional stress, medicines, street drugs (such as cocaine) or exposure to cold. Treatments include beta-blocker medications and, classically, nitroglycerin is prescribed to permit the coronary arteries to open up (dilate). Illicit drug use should be discontinued and stress reduced, if possible.

Medical dictionary. 2011.

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  • Coronary artery spasm — A spasm (a sudden constriction) of one of the coronary arteries depriving the (myocardium (the heart muscle) of blood and oxygen. This can cause chest pain referred to as variant (or Printzmetal s) angina. Coronary artery spasm can be triggered… …   Medical dictionary

  • Spasm, coronary artery — A spasm (a sudden constriction) of one of the coronary arteries depriving the (myocardium (the heart muscle) of blood and oxygen. This can cause chest pain referred to as variant (or Prinzmetal s) angina. Coronary artery spasm can be triggered by …   Medical dictionary

  • Coronary artery disease — Classification and external resources Micrograph of a coronary artery with the most common form of coronary artery disease (atherosclerosis) and marked luminal narrowing. Masson s trichrome …   Wikipedia

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  • coronary occlusion — n the partial or complete blocking (as by a thrombus, by spasm, or by sclerosis) of a coronary artery * * * coronary artery occlusion complete obstruction of one of the coronary arteries, usually from progressive atherosclerosis (sometimes… …   Medical dictionary

  • Coronary artery bypass surgery — Heart bypass redirects here. For the technique to take over the function of the heart and lungs during surgery, see Cardiopulmonary bypass. Coronary artery bypass surgery Intervention Early in a coronary artery bypass sur …   Wikipedia

  • Spasm — A brief, automatic jerking movement. A muscle spasm can be quite painful, with the muscle clenching tightly. A spasm of the coronary artery can cause angina. Spasms in various types of tissue may be caused by stress, medication, over exercise, or …   Medical dictionary

  • spasm — [[t]spæ̱zəm[/t]] spasms 1) N VAR: oft into N A spasm is a sudden tightening of your muscles, which you cannot control. A muscular spasm in the coronary artery can cause a heart attack... A lack of magnesium causes muscles to go into spasm. Syn:… …   English dictionary

  • coronary occlusion — noun Date: 1946 the partial or complete blocking (as by a thrombus, by spasm, or by sclerosis) of a coronary artery …   New Collegiate Dictionary

  • Myocardial infarction — Heart attack redirects here. For other uses, see Heart attack (disambiguation). Myocardial infarction Classification and external resources Diagram of a myocardial infarction (2) of the tip of the anterior wall of the heart (an apical infarct)… …   Wikipedia

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