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Kaplan Qbank USMLE



Author7 Posts
  #1

Which of the following concerning congenital heart disease is correct?‎

‎1) ASD is the commonest malformation at birth
‎2) congenital complete heart block is usually associated with Anti-Ro antibodies in ‎the mother ‎
‎3) Ebstein's anomaly is associated with maternal exposure to lithium carbonate ‎‎‎
‎4) Hypoplastic left heart syndrome is characterised by a large, dilated left ventricle ‎
‎5) Osteogenesis imperfecta is associated with aortic stenosis

Explain Ur Answers PLZ


___________________
FORUM RULES-- Those who believe in telekinesis, raise my hand. I get enough exercise just by pushing my luck --P4U World.." The pure and simple truth is rarely pure and never simple."

  #2

4) Because mitral and aortic valve are tiny as is also thge left ventricle

-ASD is the most common cardiac congenital malformation found in adult. At birth VSD is the most common and many close spontaneously during childhood.

-Osteogenesis imperfecta is assoc. with aortic rooot dilatation but significant valvular disease isnot frequent

-Ebstain anomaly of the tricuspid valve is associated with fetal exposure to lithium carbonate

-What is the congenital complete heart block?

  #3

Ebsteins related to lithium Sounds correct

Congenital heart block occurs in children born to mothers of SlE and the mothers will test positive for anti-ro antibodies...but ..All CHB 's of infants need not be of SLE origin..I suppose..

Hypoplastic heart-->lv supposed to be small..right?

Really impressed with these crazy questions

  #4

3. lithium - Ebstein anomaly

  #5

i think its 2. heard in one of goljan's lectures about this.. i ll go with 2.. anti ro causing congenital heart block in the baby..

  #6

The Correct Answer is 3

1) VSD is the commonest at 30%, ASD is 10%.

2) In the vast majority of cases of neonates with ‎complete heart block the cause is unknown but in the minority it may be caused by ‎autoimmune disease, particularly Anti-Ro antibodies, in the mother. Anti Ro or Any Connective Tissue Disease (CTD) Has ONLY BEEN PRESUMED TO BE INVOLVED NOT YET WITH CERTAINITY BE PROVEN SO TILL THEN NO CONNECTION.

3) Ebstein's anomaly is associated with maternal LiCO3 use ‎if exposed in the first trimester.

4) LV Hypolasia ‎occurs when the left sided chambers fail to develop and blood enters the systemic ‎circulation from the right ventricle via the pulmonary artery and a patent ductus ‎arteriosus.

5) Aortic regurgitation may be a feature ‎of Osteogenesis imperfecta.


___________________
FORUM RULES-- Those who believe in telekinesis, raise my hand. I get enough exercise just by pushing my luck --P4U World.." The pure and simple truth is rarely pure and never simple."

  #7

good one mate..







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