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 demonstrates third degree heart block which may be only transient in this setting, although can persist as well.

Healthcare providers categorize second-degree heart block subtypes—Mobitz type 1 and type 2—based on their physical signs on ...

People with first-degree heart block will not usually have any symptoms. Most people are unaware they have the condition until they go for a routine electrocardiogram (ECG). Without an ECG ...