Clinical Diagnostics, DNP,
Spring 2023 Exam Review
Administrator [Date] [Course title]
, Advanced ECG Interpretation, Clinical Diagnostics, DNP,
Spring 2023 Exa Review
1. Bundle cause ineffective transmission of the impulse
Branch Block through the ventricles resulting in a *widened
QRS complex beyond
0.12 seconds*
2. Unblocked
ven- tricle ...depolarize normally, while the blocked
bundle branch ventricular bundle branch will be delayed in
will... depolarization; one side of heart conducting
normally and the other side is delayed
3. Bundle
branch: Blood SA node, AV node, bundle of HIS, and a variable
supply, Right twig of the posterior division of the LBB
coronary artery
4. Bundle branch:
Blood supply,
Right bundle branch, anterior LBB and a variable
Left coronary
twig to the posterior division of the LBB
artery [left ante-
rior descending
mostly]
5. V1 and V2 Right chest leads
6. V5 and V6 Left chest leads
7. Right Bundle
Branch 8. RBBB Causes
Block
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