Congenital Heart Disease - 1
G. Gordon, MDLearning Objectives:
Students will be able to:
1. Explain key features of the newborn cardiopulmonary system.
2. Discuss the evaluation of the child's heart.
3. Describe the pathophysiology of selected congenital heart diseases.
4. Discuss the anesthetic implications of congenital heart disease (CHD).
Download MS Powerpoint Presentation, Congenital Heart Disease, G. Gordon, M.D., 31 May 07 (3.71 MB)
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
1. Looping - normal = D-loop
2. Atrial septation
3. AV valve formation
4. Ventricular septation
5. Conus division
6. Truncal division and rotation
II. Anatomical points
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.