Index
Ep Defined | Getting Started | Working in the EP Lab
Right Atrium | Right Ventricle | Left Atrium | Left Ventricule | Cardiac Conduction | Cardiac Cell Properties | Action Potential | Sympathetic or Not | Med Page
Electrograms Defined | Recording Modes | Electrode Spacing | Filters | EGM Interpretation | Arrhythmia Analysis
The Physical Lab | Tools of the Trade
Setting Up | Catheter Placement | Baseline Measurement | SNRT | Conduction Study | Arrhythmia Induction | Pacing Protocols | Ablation | Tilt Table | Secrets to Success
Bradycardia | Atrial Tach | Atrial Flutter | Atrial Fibrillation | AVNRT | AVRT | Ventricular Tachycardia
Surface ECG's | Intracardiac Questions | Med Challenge | Advanced

Study Area - Intracardiac

Intracardiac Electrogram Questions

The following questions deal with intracardiac electrograms.
Select the question from the table at the left and review the question and the recorded electrogram(s) associated with the question.
When you feel you have answered the question correctly, click on answer to see my own interpretation of the information provided.

Question 3

Place each of the following medication effects into the appropriate classification of medication:

A) Increase action potential duration with little or no affect on conduction velocity.
B) Indirect affect on SA and AV nodes by blocking beta receptors.
C) Marked decrease in conductivity.
D) Increased parasympathetic activity.
E) Calcium channel blocker.
F) Minimal effect on upstroke of action potential.
G) Decreased sympathetic tone.
H) Binds to sodium channels.
I) Prolonged duration of action potential
J) Marked slowing of upstroke of action potential.

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