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Posts Tagged ‘beta blocker anti anginal action’

Even though multiple mechanisms operate  the major mechanism is due to augmentation and  diversion of blood flow towards sub endocardial region* which is  main area of ischemia in most patients with Angina .
subendocardial-blood-flow
*Beta blockers  does this by smoothing   the  myocardial contractility there by  reducing  trans-myocardial gradient. The coronary arterial perforators which traverse from epicardium to endocardium gets less squeezed and promotes sub endocardial perfusion. 
Link to  a related article from this site

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