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12 Cards in this Set
- Front
- Back
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Splanchnic mesoderm |
forms the primitive hear tube; beats on day 22
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Pleuropericardial membranes
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form the pericardium and pleura (somatic parts)
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Tetralogy of Fallot
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a combination of four heart defects:
1. pulmonary stenosis 2. right ventricular hypertrophy 3. ventricular septal defect 4. over-riding aorta |
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Undivided truncus arteriosus
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neural crest defect where the bulbar regions fail to form
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Patent ductus arteriosus
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common defect; most common defect associated with Rubella virus (German measles), low (fetal) oxygen, and mother living in high altitudes during her pregnancy; frequency in females is 2 – 3 X that in males; often seen with other heart defects
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Atrial septal defect
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patent foramen ovale, common, can involve defect in septum primum or septum secundum
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Ventricular septal defect
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common; involves the membranous part of the interventricular septum
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Transposition of the great vessels
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most common cause of cyanosis in newborn
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Coarctation of aorta
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most commonly (90%) constriction is juxtaductal (opposite ductus arteriosus); more common in males (2X) and often associated with bicuspid aortic valve
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Retroesophageal right subclavian artery
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fairly common; forms vascular ring around trachea and esophagus, but usually no problem clinically; forms as variation involving right seventh intersegmental artery
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Veins:
Vitelline Umbilical Cardinal: Subcardinal Sacrocardinal Supracardinal |
left disappears, right forms portal system
right disappears, left drains placenta drains kidneys common iliac drains body wall (azygos veins) |
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Ductus venosus
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between left umbilical and right vitelline veins; forms ligamentum venosum
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