This week’s electrogram interpretation: What is observed in the following electrogram? The channels labeled A – D (green, teal, red, yellow) are recording from the HD grid (high-density mapping catheter) in the LIPV. This was recorded while...
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...
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...
This electrogram was recorded during a cryoballoon PVI procedure. The PV catheter (Achieve) is in the LIPV. What rhythm is observed in the following electrogram? 1. Atrial Tachycardia 2. Atrial Fibrillation 3. Sinus Rhythm 4. Junctional Answer Sinus Rhythm...
This week’s electrogram interpretation: What is the most likely rhythm? Answer Junctional Notice how all of the A’s and V’s appear to line up and happen at approximately the same time. If the impulse originates for the...
This week’s electrogram interpretation: Describe the activation pattern in the following electrogram. What is the most likely rhythm? Answer Left Atrial Flutter The activation sequence of the CS is from proximal to distal. Based on just...
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