Healio2y
2:1 Atrioventricular (AV) Block ECG Review
2:1 atrioventricular block is a form of second-degree AV nodal block and occurs ... between the two potential rhythms when an ECG reveals 2:1 AV nodal block: Carotid sinus massage or adenosine ...
Healio2y
Second-Degree Atrioventricular (AV) Block Type II ECG Review
In second-degree ... AV block), the AV node becomes completely refractory to conduction on an intermittent basis. For example, three consecutive P waves may be followed by a QRS complex, giving ...
BMJ8mon
Normal electrocardiographic findings: recognising physiological adaptations in athletes
The ability to identify an abnormality on the 12-lead ECG, suggestive of underlying cardiac ... disturbance of AV nodal conduction than first-degree AV block, but with exercise there should be a ...
Medscape12y
Management of Patients With Drug-Induced Atrioventricular Block
Methods:Of 668 consecutive patients with symptomatic type II second- or third-degree AV block, 2:1 AV block, atrial fibrillation, and bradyarrhythmia, 108 patients (62 patients enrolled ...