This combination is a trifascicular block and syncope should concern the clinician for 3rd degree AV block. The presence of a trifascicular block indicates significant conduction disease is present.
The diagnosis is NSR, first-degree AV block, 3:1 AV block, Mobitz type II, and high-degree AV block. The rhythm is regular with a rate of 30 beats/min. The QRS complex duration is normal (0.08 sec) ...
A first-degree AV node block occurs when conduction through the AV node is slowed, thus delaying the time it takes for the action potential to travel from the SA node, through the AV node, and to the ...
Clinicians should be aware of the risk of Lyme carditis in patients presenting with atrioventricular (AV) block, especially those with a history of outdoor exposure in Lyme endemic areas, even if they ...
Correspondence to Dr S Serge Barold, University of South Florida College of Medicine, 5806 Mariner's Watch Drive, Tampa, FL 33615, USA; ssbarold{at}aol.com If you wish to reuse any or all of this ...