1. The Fetal and Newborn Heart

2. The Normal Fetal and Newborn Heart Fetal Newborn

3. The Normal Fetal and Newborn Heart Fetal heart circulation bypasses the lungs Normally, fetal heart circulation changes to newborn circulation with the baby’s first breath The ductusarteriosis and foramanovale close to allow circulation to the lungs Normal newborn heart circulation is the same as in the child and adult

4. The Normal Fetal and Newborn Heart

5. Abnormal Newborn Heart Patent DuctusArteriosis: the ductusarteriosis fails to close at birth

6. Abnormal Newborn Heart Aortic Stenosis: a narrowing of the aorta

7. Abnormal Newborn Heart AtrialSeptal Defect: the atrial septum is not intact

8. Abnormal Newborn Heart AtrioventricularSeptal Defect: the atrial and ventricular septums are not intact

9. Abnormal Newborn Heart Hypoplastic Left Heart: the left ventricle is underdeveloped

10. Abnormal Newborn Heart Tetrology of Fallot: consists of 4 cardiac defects