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20 Cards in this Set
- Front
- Back
Heart and connective tissue are derived from ____
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mesoderm
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Messenchyme is fromed from the _____
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mesoderm
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What is messenchyme?
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Undifferetauted embryonic CT
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What forms fetal RBCs?
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Angiogenic cell clusters
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Primitive Is a simple dilation of CV system with _____ in wall
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cardiac
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Describe primitive heart
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No atricular or ventriculart separation
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ATria are divided by
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a flap like curtain of tissue that serves as a one way valve
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Atrial separation is not completed until ____
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after birth
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Ventiricular separation is completed ____
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well before birth
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The majority of cardiac defects are _____
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multifactorial
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What may cause CV defects
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rubella virus, tahlidomide, isorentinoin (in over the counter acne medications), alcohol
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What maternal conditions are associated with CV defects:?
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Insulin -dependent diabetes mellitus, hypertension
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100% of children with _____ will have heart defects
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Edwards'
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____ abdnormalities are linked to CV defects
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chromosomal
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What is Edwards' syndrome?
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Trisomy 18
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What is the most common cardiac deficit?
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Ventricular septal defects
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What dies ventricuylar membraneous septum involve?
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membraneous portion of IVS
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What is Tetralogy of Fallot?
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Abnormal conditioning of truncus artteriosus and conus cordis
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Symptims of TF
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inadequate pulmonary blood flow, cyanotic, easily fatugued, listless, digital clubbing, poor peripheral perfusion
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Four features of the tetralogy
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Pulmonary artery stenosis (Narrowing), VSD, overiding aorta, right ventricular hyoertrophy
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