Anatomy/Location:Atrioventricular valve.Also known as the mitral valveIt’s situated between the atrium and the ventricle on the left of the heartIt’s supported by fibrous chords – known as chordae tendineaeComposed of 2 cusps.
(Aspinall and Cappello, 2015)Function:Prevent backflow into the atria during ventricular contractionDuring diastole, it opens to allow blood into the ventricleDuring systole, it is closed to allow blood out of the aorta to the rest of the body. Dysfunction of the Bicuspid Valve:Mitral Valve Disease (Endocardiosis) – heart valves thicken and don’t close properly.Prolapse – valve is loose and doesn’t close properlyRegurgitation – blood flows backwards into the atriaStenosis – valve doesn’t open properly, less blood going into the ventricle (Nall, 2005)Mitral Valve InsufficiencyA damaged or poorly formed valve , causes alteration to the blood flow.Oedematous fluid builds up in the lung tissue (Aspinall and Cappello, 2015)Is Dysfunction Preventable?Healthy weightEnough exerciseCorrect diet (low salt) (Ward, not dated)
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