Atypical AFL Map Interpretation

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?    ...

3D Map Interpretation – 8

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...

3D Map Interpretation – 7

Identify the the views, anatomy, map type, interpretation, and ablation target.       Answer Right Atrial Scar Flutter   This is a right atrial flutter; however, it is not typical isthmus dependent. This reentrant circuit travels through a channel in-between two...

3D Map Interpretation – 6

Let’s combine looking at 3D images along with the corresponding electrograms to determine entrance block.     This 3D geometry was created for a pulmonary vein isolation procedure for atrial fibrillation. We are viewing the posterior wall of the left atrium. The...

3D Map Interpretation – 5

Identify the view and anatomy in this Acutus image of the LA.      Answer This is a PA view of the left atrium. We are observing the posterior wall and pulmonary veins, the left atrial appendage is also able to be seen.   Propagation Map: In this same...

3D Map Interpretation – 4

Identify the view, anatomy, type of map, and interpretation of the following 3D image.      Answer This is an LAT map of the RA from a Rhythmia system. The image is viewed from the AP slightly caudal perspective. The cavotricuspid isthmus (CTI) is displayed, but...