ECG, high-grade second-degree atrioventricular (AV) block, dog
ECG, high-grade second-degree atrioventricular (AV) block, dog
Each QRS complex (R) on this ECG of a dog is accompanied by two or three P waves. This indicates that the SA node depolarization is only traversing the AV node 1 out of every 2 or 3 times.
Courtesy of Dr. Mark D. Kittleson.
In these topics