FetalEchocardiography1

FetalEchocardiography1 - Fetal Echocardiography Dr....

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Unformatted text preview: Fetal Echocardiography Dr. Durr-e-Sabih Multan, Pakistan [email protected] http://www.geocities.com/dsabih Why • Commoner than most realize • 1% in all live births • Approximately 5% in all pregnancies • The incidence increases if there is a positive family history • if sibling affected incidence is 2 – 4% • if mother affected incidence is 10-12% Indications • Family history • Exposure to known cardiac teratogens • Chromosomal abnormalities (trisomy 21, 50%; trisomy 13 and 18, almost 100%) • Maternal disease (diabetes, collagen disease, phenylketonuria, infections) • Non-cardiac abnormalities detected on US • Polyhydramnios Weeks Length mm Event` 1-2 1.5 No heart or great vessel 4 2 Single median cardiac tube, ineffective contraction 5 4 Bilobed atrium 5 4 Begining of circulation 5 7.5 AV orifices, 3 chamber heart 6 8.5-13 Septum secundum, complete inferior septum, divided truncus arteriosus, 7 20 4 chamber heart Cardiac embryology Cardiac Size 20 week fetus’ heart compared with an American quarter Usual HR 120-160/min Time...
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This note was uploaded on 12/24/2011 for the course STEP 1 taught by Professor Dr.aslam during the Fall '11 term at Montgomery College.

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FetalEchocardiography1 - Fetal Echocardiography Dr....

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