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12 Cards in this Set

  • Front
  • Back
Splanchnic mesoderm
forms the primitive hear tube; beats on day 22
Pleuropericardial membranes
form the pericardium and pleura (somatic parts)
Tetralogy of Fallot
a combination of four heart defects:
1. pulmonary stenosis
2. right ventricular hypertrophy
3. ventricular septal defect
4. over-riding aorta
Undivided truncus arteriosus
neural crest defect where the bulbar regions fail to form
Patent ductus arteriosus
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
Atrial septal defect
patent foramen ovale, common, can involve defect in septum primum or septum secundum
Ventricular septal defect
common; involves the membranous part of the interventricular septum
Transposition of the great vessels
most common cause of cyanosis in newborn
Coarctation of aorta
most commonly (90%) constriction is juxtaductal (opposite ductus arteriosus); more common in males (2X) and often associated with bicuspid aortic valve
Retroesophageal right subclavian artery
fairly common; forms vascular ring around trachea and esophagus, but usually no problem clinically; forms as variation involving right seventh intersegmental artery
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)
Ductus venosus
between left umbilical and right vitelline veins; forms ligamentum venosum