2025年1月27日 · Unstable angina is a heart problem that causes sudden chest pain, often while resting. It’s usually due to reduced blood flow to the heart because of arteries narrowed from fatty deposits. These deposits can rupture, leading to blood clots …

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 arteries that feed your heart (coronary arteries).

2022年9月18日 · Unstable angina is a form of chest pain caused by insufficient blood flow and oxygen supply to the heart. This condition is part of the acute coronary syndrome spectrum, which can lead to more severe heart conditions such as myocardial infarction (heart attack).

2024年3月22日 · Unstable angina is unpredictable and occurs at rest. Or the pain is worsening and occurs with less physical effort. 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.

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...

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]

Unstable angina results from acute obstruction of a coronary artery without myocardial infarction. Symptoms include chest discomfort with or without dyspnea, nausea, and diaphoresis. Diagnosis is by electrocardiography (ECG) and the presence or absence of biomarkers.

Unstable angina is a condition in which your heart doesn't get enough blood flow and oxygen. It may lead to a heart attack. Angina is a type of chest discomfort due to poor blood flow through the blood vessels in the heart called the coronary arteries.

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.

2020年12月22日 · Unstable angina, or acute coronary syndrome, is a type of chest pain or discomfort that typically occurs when a person is resting. Unstable angina is a medical emergency, and people should...