Congenital Heart Disease - 1
G. Gordon, MD
Students will be able to:
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- Explain key features of the newborn cardiopulmonary system.
- Discuss the evaluation of the child's heart.
- Describe the pathophysiology of selected congenital heart diseases.
- Discuss the anesthetic implications of congenital heart disease (CHD).
A. Incidence = 8/1000 live births
B. Cardiac formation is almost complete by 55-60 days post conception. Most active period is 25-40 days.
C. Critical events
II. Anatomical points
- Looping - normal = D-loop
- Atrial septation
- AV valve formation
- Ventricular septation
- Conus division
- Truncal division and rotation
A. LV: defined by fibrous continuity between mitral valve annulus and semi-lunar valve ring.
B. RV: defined by lack of above fibrous continuity.
C. Aorta (almost always) gives rise to the coronary arteries.
D. RV heavy trabeculation; LV fine trabeculation.