atrioventricular gradient

a·tri·o·ven·tric·u·lar gra·di·ent

the diastolic pressure difference between the atrium and the ventricle.
References in periodicals archive ?
The rapid augmentation of SVR and return to prepregnancy mitral valve surface area can provoke an important increase in atrioventricular gradient, resulting in severe pulmonary edema and necessitating mechanical ventilation.
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