title: Clinical implication of inscription of the horizontal QRS loop in free aortic regurgitation.
mesh_terms: D000293:Adolescent; D000328:Adult; D000368:Aged; D001022:Aortic Valve Insufficiency / Q000503:physiopathology*; D001794:Blood Pressure; D005260:Female; D006439:Hemodynamics; D006801:Humans; D008297:Male; D008875:Middle Aged; D011379:Prognosis; D014672:Vectorcardiography