Note the irregular R-R intervals making 3rd degree heart block unlikely. The rhythm on this ECG needs to be distinguished from high grade AV block which is a form of 3rd degree AV block that can ...

This ECG shows ventricular pacing ... and have no association with the QRS complexes indicating 3rd degree heart block (complete heart block). Note that when a pacemaker lead is inserted into ...

Healthcare providers categorize second-degree heart block subtypes—Mobitz type 1 and type 2—based on their physical signs on an electrocardiogram (ECG), which records the electrical activity ...

Heart block can cause low blood flow to the entire ... to the hospital multiple times for follow-ups. In late January, an EKG and check-up showed his heart was operating normally.