Saturday, January 23, 2021

ECG Blog #188 (ECG MP-5) - How to Read (and Draw) Laddergrams

Learning to draw Laddergrams is challenging. I fully acknowledge that it took me significant time until I felt comfortable with this skill. That said — learning to read laddergrams is EASY — and important for enhancing your understanding of more complex arrhythmias.
  • I cover the basics of what a laddergram is in the 5-minute ECG Video below. With this as introduction — you should be able to understand the mechanism portrayed in most laddergrams you will see.
  • For those who are interested in drawing laddergrams — I walk you through a step-by-step approach in my ECG Blog #69 (followed by links at the BOTTOM of the page to more than 20 clinical examples of laddergrams that I've drawn to illustrate cases).
  • NOTE: You do not need to know how to draw laddergrams in order to attain excellence in arrhythmia interpretation. But becoming comfortable in reading laddergrams will be invaluable for taking you to your next level!

ECG Media Pearl #5: This video (5:20 minutes) reviews the basics of what a Laddergram is — with the laddergram that I illustrate (beginning at ~4 minutes in the video) excerpted from my ECG Blog #187 (which provides additional detail on this case — including in the Addendum to Blog #187, other possibilities for the mechanism of the arrhythmia).

How to Draw a Laddergram (Step-by-Step Demonstration) 
   — See ECG Blog #69 —

As a Summary of essential laddergram elements — I've added the following 2 figures (taken from my ACLS-2013-ePub book):


For Practice in Reading Laddergrams Please CHECK OUT the following ECG Blogs I've written in which I've added laddergram illustrations:

For Additional Practice in Reading Laddergrams Please CHECK OUT the following posts in Dr. Smith's ECG Blog (Please scroll down to the BOTTOM of the page for My Comment with laddergram illustration. Many of these will show step-by-step how I construct the laddergram).

NOTE: I'll continue to add links to this page of additional laddergrams I use to illustrate cases.
  • SEND ME cases of your interesting arrhythmias that you'd like to see published on my ECG Blog. I'm always happy to acknowledge your contribution on the blog post! THANKS for your interest!

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