Bradycardia and Conduction Delay Flashcards
1
Q
sinus node dysfunction is most often related to ?
A
age dependent progressive fibrosis of the SA node tissue + surrounding atrial myocardium
2
Q
treatment of sleep apnea reduces what type of conduction abnormalities?
A
nocturnal bradycardias
3
Q
what is your reflex follow up test when you find new LBBB on EKG
A
echo
most likely represents underlying structural heart dz
4
Q
in sinus node dysfunction, what is the MINIMUM HR or pause duration where permanent pacing is recommended?
A
none established
correlate between sx and bradycardia more impt
5
Q
permanent pacing should be considered in the setting of s ymptoms EXCEPT when it is the following 3 rhythms
A
2nd degree Mobitz II
high grade AV block
3rd degree heart block
