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<> "The repository administrator has not yet configured an RDF license."^^ . <> . . "Transient unexpected improvement of AV conduction: What is the mechanism?\n"^^ . "This ECG was recorded from a 93 year old patient with a previously documented third degree AV block and an underlying LBBB. The twelve lead ECG demonstrates sinus bradycardia at a rate of 52 beats per minute, a PR interval of 230 milliseconds, and a left bundle branch block (Figure 1). In figure 2, a rhythm strip of leads V1, II and V5 shows sinus rhythm with AV block. Note that only P waves in the T wave of the paced beat are conducted. The non-conducted P waves are followed by ventricular paced beats at an escape interval of 1200 milliseconds. "^^ . "2006-07" . . . "6" . "3" . . "Indian Pacing and Electrophysiology Group"^^ . . . "Indian Pacing and Electrophysiology Journal"^^ . . . . . . . . . . . . . . . . . . . . . . . . . . "Meir"^^ . "Friedman"^^ . "Meir Friedman"^^ . . "Joydeep"^^ . "Ghosh"^^ . "Joydeep Ghosh"^^ . . "Balbir"^^ . "Singh"^^ . "Balbir Singh"^^ . . "Yash"^^ . "Lokhandwala"^^ . "Yash Lokhandwala"^^ . . "Anup"^^ . "Gupta"^^ . "Anup Gupta"^^ . . "Johnson"^^ . "Francis"^^ . "Johnson Francis"^^ . . "Paul"^^ . "Schweitzer"^^ . "Paul Schweitzer"^^ . . . . . . "Transient unexpected improvement of AV conduction: What is the mechanism?\n (HTML)"^^ . . . . . . "friedman.htm"^^ . . . "ipej_but_editors.gif"^^ . . . "ipej_but_home.gif"^^ . . . "ipej_logo_border.gif"^^ . . . "ipej_but_archives.gif"^^ . . . "friedman1.jpg"^^ . . . "ipej_but_currentissue.gif"^^ . . . "friedman2.jpg"^^ . . . "ipej_title.gif"^^ . . . "Transient unexpected improvement of AV conduction: What is the mechanism?\n (PDF)"^^ . . . . . . . . . "friedman.pdf"^^ . . . "Transient unexpected improvement of AV conduction: What is the mechanism?\n (Image (PNG))"^^ . . . . . . "preview.png"^^ . . . "Transient unexpected improvement of AV conduction: What is the mechanism?\n (Indexer Terms)"^^ . . . . . . "indexcodes.txt"^^ . . . "Transient unexpected improvement of AV conduction: What is the mechanism?\n (Indexer Terms)"^^ . . . . . . "indexcodes.txt"^^ . . "HTML Summary of #5238 \n\nTransient unexpected improvement of AV conduction: What is the mechanism?\n\n\n" . "text/html" . . . "Indian Pacing and Electrophysiology Journal" . .