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What is the specificity of exerciseelectrocardiogram stress testing (EST) in detecting ischemic substrate in patients with angina and nonobstructive coronary arteries (ANOCA)?
Next day, a stress echo was done: The exercise stress echocardiogram is normal. The stress electrocardiogram is non-diagnostic. The patient did not report angina with stress. No wall motion abnormality at rest. No wall motion abnormality with stress.
BackgroundPainful left bundle branch block (LBBB) syndrome is an uncommon disease that is defined as intermittent episodes of angina associated with simultaneous LBBB changes on an electrocardiogram (ECG) with the absence of flow-limiting coronary artery disease or ischemia on functional testing.
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