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Variant angina differs from stable angina in that it commonly occurs in individuals who are at rest or even asleep, whereas stable angina is generally triggered by exertion or intense exercise. Variant angina is caused by vasospasm, a narrowing of the coronary arteries due to contraction of the heart's smooth muscle tissue in the vessel walls. [3]
This discovery led to this type of angina being referred to in the literature as Prinzmetal angina. [ 3 ] [ 20 ] A following study further distinguished this angina from classical angina pectoris due to the fact that the results showed that the patients with chest pain due to coronary vasospasm lacked evidence of atherosclerosis on cardiac ...
Beta blockers - reduces contractility and automaticity of the heart which reduces irregular rhythms but also lowers blood pressure when symptoms occur, and further reduces perfusion ex: Carvedilol, this will control abnormal heart rhythms, but can precipitate Prinzmetal angina and heart block.
Vasospasm is the major cause of Prinzmetal's angina. Cerebral vasospasm may arise in the context of subarachnoid hemorrhage as symptomatic vasospasm (or delayed cerebral ischemia), where it is a major contributor to post-operative stroke and mortality. Vasospasm typically appears 4 to 10 days after subarachnoid hemorrhage, however the ...
“Your body needs protein to build and repair muscle. Your heart is also a muscle, so consuming the right type of proteins can help keep your heart healthy and reduce your risk of heart disease ...
Your body uses this mineral for a lot of different functions including blood pressure control as well as muscle contractions. Lots of foods you probably already eat are high in magnesium. The best ...
BCAAs alone can’t help your body synthesize protein; they have to be consumed with the other essential amino acids to complete the job. Plus, muscles need carbs for repair because they provide ...
Angina, also known as angina pectoris, is chest pain or pressure, usually caused by insufficient blood flow to the heart muscle (myocardium). [2] It is most commonly a symptom of coronary artery disease. [2] Angina is typically the result of partial obstruction or spasm of the arteries that supply blood to the heart muscle. [3]