Walk through angina pectoris: Difference between revisions
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Walk through angina is the appearance of anginal discomfort early in the course of exertion which then subsides despite continuation of exertion. | |||
==Walk through angina pectoris== | ==Walk through angina pectoris== | ||
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Revision as of 23:20, 23 July 2011
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Differentiating Chronic Stable Angina from Acute Coronary Syndromes | ||
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Diagnosis | ||
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Alternative Therapies for Refractory Angina | ||
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Editor-In-Chief: C. Michael Gibson, M.S., M.D. [1]; Associate Editor-In-Chief: Cafer Zorkun, M.D., Ph.D. [2]
Overview
Walk through angina is the appearance of anginal discomfort early in the course of exertion which then subsides despite continuation of exertion.
Walk through angina pectoris
In the majority of patients with obstructive coronary artery disease, the intensity of angina is associated with the intensity of the physical activity. However, a subset of patients have so called walk through angina.
These patients experience angina early in the course of physical activity (e.g. walking, gardening, climbing, and short running) but the angina then disappears despite continuation of the activity.
The precise underlying mechanism of walk though angina remains unclear.
- It has been speculated that this may be due to an initial increase in coronary vascular tone with a consequent reduction in coronary blood flow at the beginning of the exercise.
- It has also been speculated that recruitment of collaterals may also play a role in the phenomenon.