Watchman Closure Device - Intraoperative View Ever wonder what a Watchman looks like inside the left atrial appendage? Implantation is via ECHO and fluoroscopy and we rarely get to see it in-vivo. What other implants do we rarely get to see in-vivo? TAVR is another. - Tom C. Nguyen, MD @tomcnguyen #Watchman #Device #Intraoperative #clinical #video #thoracic #surgery