Parahisian Pacing – Quick Review As discussed in the previous post, parahisian pacing is performed by pacing the HIS catheter at high output. A narrower QRS complex is observed with HIS capture, the pacing mA will then be decreased until a wide complex is...
What are we doing? A 35-year-old patient is in the EP lab with complaints of palpitations. A two-catheter study is being performed with a decapolar CS and a deflectable quad for the His and RV applications. What test is being performed in the following...
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 signal is circled in the following electrogram, recorded after PVI was performed? The PV catheter is in the LSPV and the ablation catheter (ABL) is in the left atrial appendage. Answer Left Atrial Signal...
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