- atriohisian
- atrio·his·i·an (a″tre-o-hisґe-ən) connecting the atrium and the bundle of His.
Medical dictionary. 2011.
atriohisian
Look at other dictionaries:
atriohisian tracts — myocardial fibers that bypass the physiologic delay of the atrioventricular node and connect the atrium directly to the bundle of His, allowing preexcitation of the ventricle … Medical dictionary
accessory pathway — accessory conduction pathway myocardial fibers that propagate the atrial contraction impulse to the ventricles but are not a part of the normal atrioventricular conducting system; impulses conducted over such a pathway can cause preexcitation… … Medical dictionary
