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Congenital Heart Disease - Coggle Diagram
Congenital Heart Disease
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ASD
Atrial Septal Defects
Epidemiology
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Ostimum Secundrum defect in the centre of atrial septum most common anatomic type (unclosed foramen ovale)
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Examination
- Pulmonary systolic mumur
Due to increased flow across pulmonary valve
- Widely split fixed second heart sound
Wide split due to fuller right atria and larger volume crossing the pulmonary valve keeping it open longer
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Patent Ductus Arteriosus
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Examination
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- Short of breath on minimal exertion (feeding)
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- Systolic thrill at upper left sternal border
- Bounding pulses, wide pulse pressure
- Continuous machinery murmur
Pressure in aorta is continously higher than in pulmonary artery - continous flow - continous murmur
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Innocent Murmurs
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Characteristics
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Murmur:
Soft
Systolic
May be postural
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Venous Hum
Continuous murmur heard loudest near the clavicles due to venous blood returning from the head and neck, varies with postition
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Stills Murmur
Soft vibratory systolic mumur heard in the lower sternal border most frequently in childhood where there is normal flow through a normal heart
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Tetralogy of Fallot
Tetralogy
PROVe
- Pulmonary infundibular stenosis
- Right ventricular hypertrophy
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- Ventricular septal defect
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Examination
Murmur
Equilisation of RV and LV pressures
Murmur not due to flow across ventricular septum
Murmur due to accelerated flow across stenosed pulmonary valve
Cyanosis
Severe pulmonary stenosis
Very sever - flow exlusively trhough arterial duct (ductus arteriosis)
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Management
Surgical
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25% will have severe RV outflow tract obstruction and require stent in arterial duct in advance of surgery
Tet spell management
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- Propanolol - relaxes muscles
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Age at Presentation
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50% have a normal neonatal check
40% present with symptoms, or died before first routine 6 week check
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Hypoplastic Left Heart
Features
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- Hypoplastic left ventricle
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