The correct diagnosis is sinus rhythm with 2:1 AV block due to Mobitz type II; ventriculophasic arrhythmia (Figure 2). The rhythm is regular at a rate of 40 beats/min, although the fifth QRS complex ...

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 may ...

There are P waves (+) with regular PP intervals and a rate of 85 beats/min. The P waves have a normal morphology; they are positive in leads I, II, aVF, and V4-V6. This is a stable normal sinus rhythm ...

To the Editor: The article by Dr. M. G. Criscitiello on "Therapy of Atrioventricular Block" implies that Mobitz Type II block may be benefited by atropine or isoproterenol (Isuprel). Type II block may ...

How long can very elderly patients (100 years of age or older) with second-degree heart block live if they choose not to have a pacemaker? In these patients with heart rates of 28-36 beats per minute, ...