Electrogram Interpretation – 14

This week’s electrogram interpretation:    What is observed in the following electrogram?      Answer AV Wenckebach     Atrial decremental pacing is occurring via CS 9,10.   Notice the narrow QRS complex; therefore, we are not pacing/capturing the...

Electrogram Interpretation – 13

What type of pacing is being performed in the following electrogram? What is your interpretation?    Answer AP ERP     Each impulse in the drive train (S1) captured the atrium and conducted to the ventricle. However, notice the wide QRS complex due to the...

Electrogram Interpretation – 6

This week’s electrogram interpretation:    What is observed in the following electrogram?    Answer Unable to interpret – repeat extrastimulus testing.   In this example, there are two RV catheters displayed. The physician is performing a VT...

Electrogram Interpretation – 1

This week’s electrogram interpretation:    What is observed in the second electrogram? Answer VERP   •Both of these examples demonstrate extrastimulus testing in the ventricle via RV pacing. Extrastimulus testing is a pacing technique in which there is a...