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Test Findings

Right Ventricular Enlargement



    • Look For

    • An up-turned apex
    • Loss of space between the cardiac shadow and the sternum on lateral chest x-ray
    • Causes of Right Ventricular Enlargement

    • Hypertrophy

    • Cor pulmonale - pulmonary arterial hypertension, chronic lung disease, chronic pulmonary embolism
    • Valvular disease - tricuspid regurgitation, mitral stenosis
    • Congenital heart disease - atrial septal defect, ventricular septal defect, tetralogy of Fallot
    • Dilation

    • Dilated cardiomyopathy - familial, ischaemic, alcoholic, viral myocarditis, drugs, connective tissue disease, tachycardia-mediated, peripartum
    • Other

    • Infiltrative disease - haemochromatosis, amyloidosis, sarcoidosis
    • Hyperdynamic state - anaemia, hyperthyroidism, obesity, AV fistula
    • Arrhythmogenic right ventricular cardiomyopathy
    • Constrictive pericarditis
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