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M6 13-005

Exam 4: Cardiovascular System- Valvular Disorders of the Heart

What do normal heart valves do? Maintain the directional blood flow through the heart.
Open and close Heart valeves ___ & ___ passivelt in response to pressure changes in the heart.
Path of blood Superior/Inferior Vena Cava>> RA>> Tricuspid valve>> RV >> Pulmonic valve>> Pulmonary Artery>> capillaries in Lungs>> Pulmary veins>> LA>>bicuspid valve >>> left ventricle >> aortic valve >> aorta >> systemic circulation.
Two primary pathologies of valvular heart disease Stenosis& Insufficiency (regurgitation)
The primary cause of valvular heart disease in children Congenital defects
Primary cause of heart disease in adults Rheumatic Heart Disease
Mital and Aortic Valves Greater workload and blood volume on the left vs right side of the heart most frequently affect ____.
4 Types of valvular disorders Mitral Stenosis, Aortic Stenosis, Tricuspid Stenosis, Pulmonary Stenosis AND Insufficiency
Disease process Prognosis varies depending on specific _____.
Dx tests to confirm Valvular Heart Disease Chest Radiograph, Echocardiogram, Cardiac Catheterization (confirms presence of valvular disease)
Medical Management of Valvular Disorders (Meds) Diuretics, Cardiac Glycosides, Anti-Dysrhytmics, Anticoagulants, Anti-biotics
Commissurotomy Surgical prcedure performed tro open a stenotic (narrowed) valve, restricts blood flow, scalpel widens the valve.
Heterograft Tissue taken from one species to another
homograft Taken from the same species.
Created by: jtzuetrong