Thursday, June 24, 2021

ECG Blog #236 (52): The 2nd-Degree AV Blocks (VIDEO)


My GOAL in today's ECG Blog #236 is to clarify by means of a 15-minute ECG Video — the 2nd-Degree AV Blocks, of which there are 3 Types:
  • Mobitz I ( = AV Wenckebach).
  • Mobitz II.
  • 2nd-Degree AV Block with 2:1 AV conduction.


This 15-minute ECG Video (Media PEARL #52) — Reviews the 3 Types of 2nd-Degree AV Blockplus — the hard-to-define term of "high-grade" AV block. I supplement this material with the following 2 PDF handouts.
  • Section 2F (6 pages = the "short" Answer) from my ECG-2014 Pocket Brain book provides quick written review of the AV Blocks (This is a free download).
  • Section 20 (54 pages = the "long" Answer) from my ACLS-2013-Arrhythmias Expanded Version provides detailed discussion of WHAT the AV Blocks are — and what they are not! (This is a free download).

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For MORE on Diagnosis of ABlocks/AV Dissociation:
  • ECG Media Pearl #4 (4:30 minutes Audio— The ABlocks & WHEN to Suspect Mobitz I (1/21/2021) — See ECG Blog #186 —
  • ECG Media Pearl #(12:00 minutes Video ECG Blog #189 — What type of AV Block? Detailed analysis of this challenging arrhythmia (including ECG Video with step-by-step analysis of this complex ladderegram(1/30/2021).
  • ECG Media Pearl #8 (8:20 minutes Video) — ECG Blog #191 — Distinguishing between AV Dissociation vs Complete AV Block (2/6/2021 — updated on 6/24/2021).
  • ECG Media Pearl #9 (5:40 minutes Video) — ECG Blog #192 — Reviews the 3 Causes of AV Dissociation (2/9/2021).
  • ECG Media Pearl #12 (6:40 minutes Audio) — ECG Blog #195 — Reviews the phenomenon known as isorhythmic AV Dissociation (in which the atrial and junctional [or ventricular] rate is virtually equal, but P waves are not conducting to the ventricles(2/17/2021).
  • ECG Media Pearl #19 (5:00 minutes Audio) — ECG Blog #202 — A few quick things to look at that allow you to rule out complete AV Block within seconds! (3/10/2021).
  • ECG Media Pearl #41 (4:00 minutes Audio) — ECG Blog #224 — Reviews HOW to recognize within seconds (!!!) a Mobitz I ( AV Wenckebach) 2nd-degree AV Block when there is ongoing Inferior STEMI (5/15/2021).
  • ECG Media Pearl #42 (11:00 minutes Video) — ECG Blog #226 — Reviews this case of a recent Inferior MI with dual-level AV Wenckebach (5/21/2021).



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