Unstable Angina - American Heart Association
2022年12月5日 · Unstable angina causes unexpected chest pain and usually occurs while resting. It should be treated as an emergency. The American Heart Association explains chest pain, unstable angina, the risks and treatment of unstable angina.
Unstable Angina: Symptoms & Treatment - Cleveland Clinic
2024年5月24日 · Unstable angina is a type of angina (chest pain) that happens when your heart muscle doesn’t get as much oxygen-rich blood as it should. This happens because of plaque blockages and, usually, a blood clot in one or more of the …
Unstable Angina - StatPearls - NCBI Bookshelf
2022年9月18日 · Unstable angina is chest discomfort or pain caused by insufficient blood and oxygen flow to the heart. It is part of the acute coronary syndromes and may lead to a heart attack. This activity describes the evaluation and management of unstable angina and reviews the role of the interprofessional team in improving care for patients with this ...
Unstable Angina: Causes, Symptoms, and Treatment - Healthline
2018年9月3日 · Unstable angina means that blockages in the arteries supplying your heart with blood and oxygen have reached a critical level. An attack of unstable angina is an emergency and you should seek...
Angina - Symptoms and causes - Mayo Clinic
2024年3月22日 · Unstable angina is typically severe and lasts longer than stable angina, maybe 20 minutes or longer. The pain doesn't go away with rest or the usual angina medicines. If the blood flow doesn't improve, the heart doesn't get enough oxygen.
Unstable angina - Wikipedia
Unstable angina is a type of angina pectoris [1] that is irregular or more easily provoked. [2] It is classified as a type of acute coronary syndrome. [3] It can be difficult to distinguish unstable angina from non-ST elevation (non-Q wave) myocardial infarction.
Unstable Angina - Unstable Angina - MSD Manual Professional Edition
Unstable angina is new, worsening, or rest angina in patients whose cardiac biomarkers do not meet criteria for myocardial infarction. Symptoms of unstable angina include new or worsening chest pain or chest pain occurring at rest. Diagnosis …
Unstable angina - Symptoms, diagnosis and treatment - BMJ Best …
2024年4月25日 · Unstable angina should be suspected based on: the presence of symptoms suggestive of myocardial ischaemia (e.g., acute chest pain); ECG findings (no evidence of ST-elevation myocardial infarction); and the result of troponin testing (no dynamic elevation of cardiac troponin above the 99th percentile).
Unstable Angina: Symptoms, Causes, Diagnosis, and More
2024年9月14日 · Unstable angina, a form of acute coronary syndrome (ACS), causes random or unpredictable chest pain as a result of partial blockage of an artery that supplies the heart.
Angina Pectoris - Johns Hopkins Medicine
Angina pectoris is chest pain or discomfort that occurs when a part of your heart doesn't get enough blood and oxygen. It is most often just called angina. Angina can be a symptom of coronary artery disease (CAD). But it can have other causes. What causes angina pectoris?