VSD Flashcards
inlet vsds are associated with what valve defects
mitral
outlet vsds are associated with what valve defects
aortic valve prolapse of the right coronary cusp
when to operate for a type 2 vsd (membranous)
most frequent
infant: 1/2 systemic at 1 year
adult; symptoms, Qp:Qs > 1.5
when to operate on outlet or inlet vsd in infant
when discovered
when to operate on outlet or inlet vsd in adult
symptoms, Qp:Qs > 1.5. for inlet PVR < 6 woods units
when to operate on muscular vsds (in regards to indications for membranous)
same indications:
infant: 1/2 systemic at 1 year
adult; symptoms, Qp:Qs > 1.5
what Qp:Qs charecterizes restrictive, moderate and nonrestrictive shunts for VSD
< 1.5, 1.5-2.5, and > 2.5
what percent of infants will require surgery for a VSD because of heart failure in the first year
30%
what woods units for 1 year and older is prohibitive for a vsd closure
8
what woods units for younger than 1 year and responsive to pulmonary vasodilators is okay for vsd closure
< 12
what woods units is contraindicated for repair in an adult
> 6