Rheumatic Heart Disease
Introduction: Acute Rheumatic fever: Acute Rheumatic Fever (ARF) is an acute autoimmune disease that occurs as a sequel of group A- streptococcal infection which is characterized by inflammation of connective tissue, primarily affecting the joints and heart. Rheumatic Heart Disease is a condition that occurs when rheumatic fever causes long term damage to the heart and its valves. Etiology: Most initial attack of ARF occur 1 to 5 weeks (average 3 weeks) after a streptococcal throat infection or infections of the upper respiratory tract. Peak incidence among children between ages 6 to 15. A family history of Rheumatic fever and lower economic status are additional factors. Pathophysiology: Clinical Manifestations: Major Manifestations: (JONES Criteria) Carditis : Manifested by systolic or diastolic murmur, prolonged PR and QT interval on ECG, and possibly by signs of CHF in echo. Poly-arthritis: Pain and limited movement of two or more joints. Joints are swollen, red, warm,...