3 mo old infant s/p VSD repair. Postop. day 1.
Note: Paper speed is at 50 mm/sec.
What is the ventricular rate at baseline?
In the second panel, patient is atrially-paced. What do you observe?
Is this junctional ectopic tachycardia or ventricular tachycardia?
(To see a clearer image: Click on the image first. When the new window appears, click on the image again)