First-degree ventricular (heart) block affects the electrical signal that makes the heart beat. It causes a delay in a portion of the heart beat and may lead to a slow heart beat. Healthcare ...

Since second-degree heart block type 1 often doesn’t cause symptoms, healthcare providers usually only detect it on an ECG. On ECG, a regular heartbeat starts with a smaller, round P wave as ...

Second degree heart block type I is often a benign condition that does not usually progress to more serious types of heart block. However, in some people, it may cause symptoms or indicate that a ...

Mobitz types 1 and 2 are subtypes of second-degree atrioventricular (AV) block, which is a type of heart block. Mobitz type 1 (Wenckebach): In Mobitz type 1, the electrical signals that control ...