Disorders of Ventricular Conduction Flashcards
1
Q
in bundle branch block The area that would have been reached by the blocked bundle, ________ slowly and late
A
The area that would have been reached by the blocked bundle, depolarises slowly and late
2
Q
what is the mneumonic to remember block ecg patterns ?
A
wiLLiaM MaRRow
3
Q
what are some of the causes of Rbbb?
A
- normal variant
- PE
- cor pulmonale
4
Q
what are some of the causes of lbbb?
A
- IHD
- hypertension
- cardiomyopathy
- idiopathic fibrosis
5
Q
If there is lbbb, no comment can be made on the ____ segemtn of ___ wave?
A
ST segment
T wave
6
Q
what is bifasicular block?
A
the combination of RBBB and left bundle hemiblock, manifest as an axis deviation, eg LAD in the case of left anterior hemiblock.
7
Q
what is trifascicular block?
A
combination of bifascicular block and 1st degree heart block
