Were we successful? The following patient was in the EP lab for a paroxysmal AF ablation. Pulsed Field Ablation (PFA) was utilized, but first, high-density mapping was performed of the left atrium. After completion of the lesion set, prior to remapping, pacing was...
fWhat is happening in this electrogram during baseline testing? Resist the urge to jump ahead; instead, start with the basics. Where are each of the catheters located? Are we pacing? What type of pacing and from where? Did we capture? Did it conduct? What was the...
A 45-year-old female presents to the EP lab with complaints of palpitations and the following 12 lead ECG that was recorded in the emergency room 2 weeks prior. 12 Lead ECG: A 69-year-old male came into the EP lab for an SVT study. The following ECG was recorded,...
What is happening in this electrogram? Where to begin….? Where are each of the catheters located? Are we pacing? What type of pacing and from where? Did we capture? Did it conduct? What was the activation pattern? Answer: The catheter positions match the color of the...
What is happening in this electrogram? What is observed in the following electrogram? Catheters: HRA, His, CS, RV. All catheters are in the usual positions. Interpretation Steps: Determine Pacing Site Did we capture? Did it conduct to the next chamber? What was...
Anatomy Identification What structures are you able to identify in the following images? What views are displayed? Answer: Lets work on interpretation. The CS electrogram is displayed below. What is observed? ...