Woldemar Mobitz (31 May 1889 – 11 April 1951) was a Russian-German physician.[1] The forms ofsecond degree AV block are named after him for him.[2]
Mobitz was born on 31 May 1889 inSt. Petersburg, Russia. He attended the local high school inMeiningen (Saxony, Germany) from which he graduated in 1908. He then studied medicine at the Universities ofFreiburg andMunich, where he earned his doctorate in 1914 (“Contributions toBasedow disease”).
Mobitz then worked at the Surgical Hospitals inBerlin andHalle as well as ininternal medicine at the University Hospitals of Munich and Freiburg. In Munich, Mobitz was promoted to the position of a senior lecturer thanks to his research on heart block. In 1928, after a 4-year tenure, he accepted a post in Freiburg as Associate Professor and Chief of Staff of the Clinic of Internal Medicine. In 1943, he became Director of the Medical Hospital in Magdeburg-Sudenburg Municipal Hospital until the occupation by the Soviet army in 1945.
Mobitz's work was devoted to internal medicine and he was especially interested incardiology. From 1924 to 1928, he published his famous key papers onAV dissociation andheart block. In 1924, Mobitz differentiated two types ofsecond-degree AV block with the aid of theelectrocardiogram and characterized their prognostic significance. With type I (Mobitz type I), thePR interval increases gradually until there is a breakdown of AV conduction. This form is identical to the previously described type of second-degree AV block byWenckebach at the end of the nineteenth century. With type II block (Mobitz type II), all conducted beats show a constant, typically normalPR interval, and conduction to the ventricles occurs at regular intervals. This form is identical to the type of AV block described byHay in 1906 without the benefit of electrocardiography. Mobitz included 2:1 and 3:1 AV blocks in his type II classification, and indicated the serious nature of type II block and its propensity toAdams-Stokes attacks.
The Woldemar-Mobitz-Forschungspreis (Woldemar Mobitz Research Award) for works concerning rhythmology — the discipline that deals with all forms and treatment options for cardiac arrhythmias — is awarded by the Deutsche Gesellschaft für Kardiologie.
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