Acute Coronary Syndrome

Acute coronary syndrome (ACS) is usually one of three diseases involving the coronary arteries: ST elevation myocardial infarction (30%), non ST elevation myocardial infarction (25%), or unstable angina (38%).

These types are named according to the appearance of the electrocardiogram (ECG/EKG) as non-ST segment elevation myocardial infarction (NSTEMI) and ST segment elevation myocardial infarction (STEMI). There can be some variation as to which forms of MI are classified under acute coronary syndrome.

ACS should be distinguished from stable angina, which develops during exertion and resolves at rest. In contrast with stable angina, unstable angina occurs suddenly, often at rest or with minimal exertion, or at lesser degrees of exertion than the individual's previous angina ("crescendo angina"). New onset angina is also considered unstable angina, since it suggests a new problem in a coronary artery.

Though ACS is usually associated with coronary thrombosis, it can also be associated with cocaine use. Cardiac chest pain can also be precipitated by anemia, bradycardias (excessively slow heart rate) or tachycardias (excessively fast heart rate).

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

Latest Spotlight News

Researchers uncover new target of alcohol in the brain

When alcohol enters the brain, it causes neurons in a specialized region called the ventral tegmental area, or VTA—also known as the "pleasure center"—to release dopamine, a neurotransmitter that produces those feel-good ...

Brain wave device enhances memory function

The entrainment of theta brain waves with a commercially available device not only enhances theta wave activity, but also boosts memory performance. That's according to new research from the Center for Neuroscience at the ...

'Game changer' tuberculosis drug cures 9 in 10

A new treatment for a drug-resistant strain of tuberculosis can cure more than 90 percent of sufferers, according to a trial hailed Monday as a "game changer" in the fight against the global killer.

Researchers find common genetic link in lung ailments

An international research team led by members of the University of Colorado School of Medicine faculty has identified a genetic connection between rheumatoid arthritis-associated interstitial lung disease and idiopathic pulmonary ...