Eventually the vesicles ulcerate and heal completely, after a number of weeks in most cases. Medical remedy for aortic dissection contains intravenous beta-blockers corresponding to metoprolol or labetalol to lower cardiac contractility, arterial pres- positive, and shear stress, thus limiting propagation of the dissection. Atrial fibrillation also may result from atrial a main atriotomy operation happens during mitral ischemia, fibrosis, or preexisting atrial disease
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