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  2. Unstable angina - Wikipedia

    en.wikipedia.org/wiki/Unstable_angina

    Symptoms of unstable angina are the same as those of stable angina, however the pattern of the symptoms changes. [7] In unstable angina, symptoms related to decreased blood flow to the heart may appear on rest or on minimal exertion. [4] The symptoms can last longer than those in stable angina, can be resistant to rest or medicine, and can get ...

  3. Angina - Wikipedia

    en.wikipedia.org/wiki/Angina

    The primary factor differentiating unstable angina from stable angina (other than symptoms) is the underlying pathophysiology of the atherosclerosis. The pathophysiology of unstable angina is the reduction of coronary blood flow due to transient platelet aggregation on apparently normal endothelium, coronary artery spasms, or coronary thrombosis.

  4. Acute coronary syndrome - Wikipedia

    en.wikipedia.org/wiki/Acute_coronary_syndrome

    In unstable angina, symptoms may appear on rest or on minimal exertion. [6] The symptoms can last longer than those in stable angina, can be resistant to rest or medicine, and can get worse over time. [8] [10] Though ACS is usually associated with coronary thrombosis, it can also be associated with cocaine use. [11]

  5. 9 Weird Symptoms Cardiologists Say You Should Never Ignore

    www.aol.com/lifestyle/9-weird-symptoms...

    Angina—the technical name for chest tightness—can spread to the jaw or neck. It’s typically triggered by exertion, like walking uphill, or emotional stress, says Dr. William Zoghbi, chair of ...

  6. Coronary artery disease - Wikipedia

    en.wikipedia.org/wiki/Coronary_artery_disease

    Angina that changes in intensity, character or frequency is termed unstable. Unstable angina may precede myocardial infarction . In adults who go to the emergency department with an unclear cause of pain, about 30% have pain due to coronary artery disease. [ 29 ]

  7. Coronary ischemia - Wikipedia

    en.wikipedia.org/wiki/Coronary_ischemia

    Angina may present typically with classic symptoms or atypically with symptoms less often associated with heart disease. [19] Atypical presentations are more common in women, diabetics, and elderly individuals. [8] Angina may be stable or unstable. Unstable angina is most often associated with emergent, acute coronary syndromes. [20]

  8. ST depression - Wikipedia

    en.wikipedia.org/wiki/ST_depression

    ST segment depression and T-wave changes may be seen in patients with unstable angina; Depressed but upsloping ST segment generally rules out ischemia as a cause. Also, it can be a normal variant or artifacts, such as: Pseudo-ST-depression, which is a wandering baseline due to poor skin contact of the electrode [3]

  9. Coronary arteries - Wikipedia

    en.wikipedia.org/wiki/Coronary_arteries

    Stable angina is chest pain on exertion that improves with rest. Unstable angina is chest pain that can occur at rest, feels more severe, and/or last longer than stable angina. It is caused by more severe narrowing of the arteries.

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