and Mobitz type 2, which can cause problems pumping blood and irregular heartbeats. Heart blocks are disruptions in the ...

In second-degree type II AV nodal block (a.k.a. Mobitz Type II AV block), the AV node becomes completely refractory to conduction on an intermittent basis. For example, three consecutive P waves ...

The second type of second-degree heart block — Mobitz 2 — is more serious and can lead to: To diagnose first-degree heart block, doctors will usually ask the person about their medical history ...