Wednesday, July 17, 2013
What is this irregular supraventricular tachycardia? New K. Wang Video.
5 comments:
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Very informative and well-presented. Is there any way to enlarge the ECG or down load a larger copy to more easily follow along?
ReplyDeleteI just posted it above. Good idea.
DeleteI have never seen that chart that he is using. What is that called and where can I get more information about how to use it?
DeleteIt's called a ladder diagram and simply consists of spaces (columns) A for conduction in the atria, AV for conduction in the AV junction and V for conduction in the ventricles. A vertical or slanted bar in each column implies a conduction or depolarization has taken place there. It's a convenient diagram which allows us to see what happened in the conduction system, i.e. what's connected with what, what's not connected ( dissociated), what's blocked, etc. One can have more columns such as a column for SA node, divide AV column into upper and lower AV junction, a column for His bundle, etc. Many ECG text books use this diagram.
DeleteK. Wang.
Thanks , this is very instructive ! why are the T waves negatives in inferolateral leads ?
ReplyDelete