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...
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...
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 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...
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