An investigation published in The BMJ raises new concerns over the landmark clinical trial (PLATO) that was used to gain worldwide approval for the anti-platelet drug ticagrelor (Brilinta in the US and Brilique in Europe), ...
Dec 12, 2024
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Researchers have developed a new artificial intelligence (AI) method that can automatically detect plaque erosion in the heart's arteries using optical coherence tomography (OCT) images. Monitoring plaque in the arteries ...
Jun 16, 2022
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Humans are inherently risk-averse: We spend our days calculating routes and routines, taking precautionary measures to avoid disease, danger, and despair.
Sep 13, 2019
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A new tool for assessing the narrowing of the heart's arteries was found to be as effective as current methods and less painful for patients.
Mar 20, 2017
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The first trial to study patients with acute coronary syndrome who do not undergo coronary stenting or bypass surgery found no significant difference between two anti-clotting drugs – prasugrel and clopidogrel – in preventing ...
Aug 26, 2012
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No one really wants the short end of the stick, in this case the short end of a chromosome. Telomeres, which are DNA-protein complexes at the ends of chromosomes, can be thought of as protein "caps" that protect chromosomes ...
Mar 25, 2012
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After a cardiovascular event, it proves difficult to maintain a healthier, more active lifestyle over the long term. Although sedentary time decreases after participation in a cardiac rehabilitation lifestyle program, it ...
Mar 25, 2025
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A new study found severe acute respiratory syndrome coronavirus 2 (SARS-CoV-2) infection was associated with the rapid growth of plaque in the coronary arteries and an increased risk of cardiovascular events. The results ...
Feb 4, 2025
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A new study uncovers how the COVID-19 pandemic reshaped emergency care for acute coronary syndrome, with a sharp decline in hospital visits nationwide. Analyzing over 61,000 cases, the research reveals that older adults, ...
Dec 19, 2024
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A new, rapid blood test that spots whether people are having a heart attack could improve the treatment of people presenting with chest pain at emergency departments, according to late-breaking research presented in a Hot ...
Sep 3, 2024
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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).
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