Angina

Enzyme explains angina in diabetics

(Medical Xpress)—In a new study published in the scientific journal Circulation, scientists at Karolinska Institutet and Karolinska University Hospital show that an enzyme called arginase might have a key part to play in ...

Nov 27, 2012
popularity0 comments 0

Heavy new arguments weigh in on the danger of obesity

A true obesity epidemic is gradually advancing throughout the developed world. A large new Danish-British study from the University of Copenhagen and University of Bristol documents for the first time a definite correlation ...

May 01, 2012
popularity0 comments 0

Chest pain: When conventional treatments don't work

Tens of thousands of Canadians seek emergency services and are referred for angiograms each year to investigate sources of chest pain. For approximately half a million Canadians, chronic chest pain – or, specifically, ...

Apr 19, 2012
popularity0 comments 0

Angina pectoris, commonly known as angina, is chest pain due to ischemia (a lack of blood, thus a lack of oxygen supply and waste removal) of the heart muscle, generally due to obstruction or spasm of the coronary arteries (the heart's blood vessels). Coronary artery disease, the main cause of angina, is due to atherosclerosis of the cardiac arteries. The term derives from the Latin angina ("infection of the throat") from the Greek ἀγχόνη ankhonē ("strangling"), and the Latin pectus ("chest"), and can therefore be translated as "a strangling feeling in the chest".

There is a weak relationship between severity of pain and degree of oxygen deprivation in the heart muscle (i.e., there can be severe pain with little or no risk of a heart attack, and a heart attack can occur without pain).

Worsening ("crescendo") angina attacks, sudden-onset angina at rest, and angina lasting more than 15 minutes are symptoms of unstable angina (usually grouped with similar conditions as the acute coronary syndrome). As these may herald myocardial infarction (a heart attack), they require urgent medical attention and are generally treated as a presumed heart attack.

This text uses material from Wikipedia licensed under CC BY-SA

Latest Spotlight News

Outside the body, a heart beats via life-saving system

(Medical Xpress)—A system that enables heart transplants involving hearts that stopped beating in the donor's body continues to save lives. The Organ Care System (OCS) has been used in UK hospitals with good results.

Neural basis of multitasking identified

What makes someone better at switching between different tasks? Looking for the mechanisms behind cognitive flexibility, researchers at the University of Pennsylvania and Germany's Central Institute of Mental Health in Mannheim ...