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What Causes Cor Pulmonale?• Chronic obstructive pulmonary disease (COPD) • Obstructive sleep apnoea • Central sleep apnea • Mountain sickness • Cystic fibrosis• Primary pulmonary hypertension • Pneumoconiosis • Kyphoscoliosis • Diffuse interstitial pulmonary fibrosis • Chronic thromboembolic pulmonary disease • Pulmonary vascular disease • Pulmonary hypertension
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Valvular heart disease
• 10% of heart failure caused by valve disease.• Abnormality may be congenital or acquired.• Acquired abnormality affects mainly the
mitral and aortic valves.
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Valvular stenosis (acquired)
• Relatively few causes of stenosis.– Postinflammatory (rheumatic) mitral or aortic
stenosis.– Calcific aortic stenosis (usually on congenitally
bicuspid valve).
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Valvular incompetence/regurgitation
• Leaflet abnormality (rheumatic, infective endocarditis).
• Papillary muscle damage (ischaemia leading to mitral valve disease).
• Valve ring abnormalities (syphilitic aortitis, mitral ring dilatation with cardiac dilatation in congestive failure).
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Mitral stenosis
• Rheumatic.• More common in
females.• Leads to pulmonary
hypertension, R ventricular hypertrophy.
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Aortic stenosis
• L ventricular hypertrophy.
• Chest pain.• Sudden death.• May show
pathological calcification.