cardio q 5 - simonsez

[ArchivalUser]

A f infant is born to a consang marrge of 2nd cousins wthout comp. In utero, the FHR ws betwn 80 and 90. The brady HR persisted after birth.Appr 2 weeks aftr brth the chld undrwent audiography, which demons b/l sensorineural deafness. Thse tests wre repeated 2wks latr wth similar rsults. Unfort the mother suffered a cardiac arrest 7 mnths later and died.she hd nrmal hearing. which of the foll statements concerning this patients disorder is true?
a.romano-ward syndrme
b.romano-ward and jervell and lang-nielsen synd are genetically distinct
c.patients ECG revealed a shrt QT interval
d.mut lies within a cardiac ion channel
e.use of b blockers is CI
PHEW.....

[ArchivalUser]

I think the answer is B. I didn't like this q.

- if you have deaffness and is autosomal recessive is Jervell and Lange-Nielsen
- if is transmitted as an autosomal dominant, no deafness, is Romano-Ward

[ArchivalUser]

my iq may be lower than yours, i can't understand your abbrevations all over the place

[ArchivalUser]

B.

[ArchivalUser]

I guess this is right. right?