Acute Coronary Syndrome

Air pollution increases heart attacks

Air pollution increases heart attacks, according to research presented at the Acute Cardiac Care Congress 2013 by Dr Savina Nodari from Brescia, Italy. The Acute Cardiac Care Congress 2013 is the annual meeting of the Acute ...

Oct 07, 2013
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Fat around the heart boosts heart-attack risk

Recently, interest in the fat around the heart -so called pericardial fat- is rapidly growing. Even a thin person can have pericardial fat. Several studies suggest that pericardial fat induces inflammation of the artery wall ...

Aug 29, 2011
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Drug dosing for older heart patients should differ

Older heart patients present unique challenges for determining the optimal dosages of medications, so a new study from researchers at Duke Medicine offers some rare clarity about the use of drugs that are used to treat patients ...

Aug 16, 2013
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Smoking ban reduces emergency room admissions

Workplace smoking bans are gaining ground globally, and one study has shown that they may have significant health effects. The study, conducted by researchers in Dublin, found that emergency room admissions due to respiratory ...

May 17, 2011
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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

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