ECG Interpretation Series | Prof Ken Grauer- Talk-4 (AV Dissociation vs Complete AV Block)

Name: ECG Interpretation Series | Prof Ken Grauer- Talk-4 (AV Dissociation vs Complete AV Block)
Start: 2023-10-12T18:00:00+00:00
End: 2023-10-12T18:30:00+00:00

12th Oct 2023

6:00 - 6:30pm (GMT)

Cardiology

Academia

Emergency medicine

General (internal) medicine

General Practice

Nursing

12th Oct 2023

6:00 - 6:30pm (GMT)

Hosted on MedAll

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Description

The first 2 sessions in this series looked at applying the Ps,Qs,3Rs to wide tachycardias. Session 3 distinguished between Mobitz I vs Mobitz II 2nd-degree AV block. Today's 4th session advances assessment of the AV blocks to the concepts of AV Dissociation vs "high-grade" vs Complete ( = 3rd-degree) AV block.

Today's 4th session will focus on content from ECG Blogs #191 and 192 (www.tinyurl.com/KG-Blog-191 — and — www.tinyurl.com/KG-Blog-192). There is NO need for notes — since review of all content can be found on these 2 blog posts.

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Future ECG series by Dr. Grauer will present and apply a systematic approach to 12-lead ECG interpretation — covering key issues including recognizing infarction due to acute coronary occlusion when ST segments are not elevated ( = the concept of "OMI" rather than "STEMI" ) — as well as standard topics such as chamber enlargement, bundle branch blogs and MUCH more.

Summary

This is the 4th and final part of Dr. Grauer's initial ECG Interpretation Series. The focus of this series has been on introducing and applying Dr. Grauer's user-friendly Ps,Qs,3R Approach for systematic rhythm interpretation ( = "Watch your Ps, Qs & 3Rs"). The first 2 sessions in this series looked at applying the Ps,Qs,3Rs to wide tachycardias. Session 3 distinguished between Mobitz I vs Mobitz II 2nd-degree AV block. Today's 4th session advances assessment of the AV blocks to the concepts of AV Dissociation vs "high-grade" vs Complete ( = 3rd-degree) AV block. Today's 4th session will focus on content from ECG Blogs #191 and 192 (www.tinyurl.com/KG-Blog-191 — and — www.tinyurl.com/KG-Blog-192). There is NO need for notes — since review of all content can be found on these 2 blog posts. ================================= Future ECG series by Dr. Grauer will present and apply a systematic approach to 12-lead ECG interpretation — covering key issues including recognizing infarction due to acute coronary occlusion when ST segments are not elevated ( = the concept of "OMI" rather than "STEMI") — as well as standard topics such as chamber enlargement, bundle branch blogs and MUCH more.

Learning objectives

By use of ECG Blogs #191 and 192 (www.tinyurl.com/KG-Blog-191 — and — www.tinyurl.com/KG-Blog-192 ) — I aim to: 1. To review the criteria for the ECG diagnosis of Complete ( = 3rd-Degree) AV Block. 2. To illustrate the 3 Types of AV Dissociation (ie, by "default" — "usurpation" — or AV block) 3. To apply the above for determining when AV Dissociation is Complete AV Block. =========================== KEY CONTENT NOTES: — My "system" for time-efficient Rhythm Interpretation = "Watch your Ps, Qs & 3Rs ( = P waves or atrial activity — QRS duration — Rate/Regularity/"Related") ====================== "KISS" Method for the AV Blocks (There are 3 Degrees of AV Block). — 1st Degree = is EASY ( = sinus rhythm + long PR). — 3rd Degree = is also usually EASY (because the ventricular "escape" rhythm will usually be regular or almost regular — P waves "march thru"). — So if neither 1st nor 3rd degree AV block — it is 2nd-degree (of which there are 3 Types) = Mobitz I — Mobitz II — 2nd degree with 2:1 conduction (which could be either Mobitz I or Mobitz II). — "Other Stuff" (AV dissociation — "high-grade" block — AV block "mimics" (ie, like blocked PACs).

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