Identify the the views, anatomy, map type, and interpretation. Answer Right Superior Pulmonary Vein Tachycardia This activation map is of a focal tachycardia originating from the right superior pulmonary artery. When the impulse exits the vein, the rest of the atrium...
Question: Today, let’s go back to the basics and discuss catheter placement and waveforms. In the following electrogram, none of the intracardiac channels are labeled. Identify each catheter location, the associated waveforms, and the rhythm. Answer: This is an...
This week’s electrogram: This patient was brought into the EP lab for ablation of typical atrial flutter. She has had no previous ablations and was in normal sinus rhythm when placed on the monitor. The following electrogram was recorded at soon as the...
Where are the following catheter located? What signals are displayed on each channel? What is the rhythm? Answer: The first three channels displayed are surface ECG leads. A full 12-lead ECG was placed on the patient, but only a few were displayed. Also of note,...
What is the catheter location in the following electrogram? Answer Near the Bundle of His The catheter is labeled coronary sinus (CS); however, the signals do not reflect that location. Notice the A, H, and V signals recorded. Instead of placement in the coronary...