Defined as PR interval > 200ms, commonly caused by AV nodal blocking drugs
Karel Frederik Wenckebach (1864-1940) Dutch physician. Eponymously affiliated with Wenckebach block (Mobitz type I AV block).
Luigi Luciani (1840 – 1919) was an Italian neuroscientist. discovery referring to the phenomena as ‘Luciani periods‘ (Wenckebach AV block)
A review of the ECG characteristics of "fixed ratio blocks", i.e. second degree AV block with 2:1 or 3:1 conduction ratios.
Second degree heart block (2nd degree AV block) with a P:QRS ratio of 3:1 or higher, producing an extremely slow ventricular rate.
A review of the ECG features of Mobitz II 2nd degree AV block - Originally termed Hay block (1906) by Mobitz in 1924. ECG Library LITFL
A review of the basic ECG features, causes and pathophysiology of Mobitz I AV Block (Wenckebach Phenomenon) with some example ECGs.
Assessment / interpretation of the EKG PR interval. ECG PR interval is the time from the onset of the P wave to the start of the QRS complex.
Medmastery are providing LITFL readers with a series of FOAMed courses from across their website. In this video, we look at high degree AV blocks on the ECG; the types of blocks and their clinical implications
Rytand murmur: Mid-late blowing diastolic murmur heard occasionally in patients with complete atrioventricular heart block.
Alfred Lewis Galabin (1843-1913) English obstetric physician. Using an apexcardiogram he was documented atrioventricular (AV) block in humans.
Find out the solution to LITFL's most recent ECG Exigency, is the diagnosis Wenckebach? Wenckebach AV block SA block