Tag Archives: SVT

The Trouble with Sinus Tachycardia

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  Sometimes recognizing sinus tachycardia can give us fits. What? Sinus tachycardia? One of the most basic rhythms? The discussion that follows will highlight some of the difficulties sinus tach can present at high rates. The pitfalls of using the generalized term "SVT" will also be discussed. This discussion is not meant to imply that […]

Snapshot Discussion: 32 year old Male–Chest Discomfort

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Here is the discussion for the Snapshot Case: 32 year old male–Chest Discomfort. Sorry for the delay. If you recall, we have a young patient, a 32 year old male, with a heart rate too rapid to count. He is alert and oriented, and has a good pressure (126/70). He has been in the following […]

Narrow complex tachycardias – Part III

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Documenting the heart’s response to adenosine Let’s look at some different cases where adenosine was used. Rather than give you all the details about the age, gender, chief complaint, and vital signs, I’m just going to show you the rhythm strips. Right now I’m only concerned with how the heart behaves during the administration adenosine. […]

Narrow complex tachycardias – Part II

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Here’s a call that was very well executed. The patient was a 35 year old Hispanic female; walk-in patient at a volunteer clinic. Through an interpreter it was learned that the patient was complaining of palpitations and slight chest discomfort. The onset was sudden. The medical history was significant for “arrhythmias”. No medications. Skin: warm […]

Narrow complex tachycardias – Part I

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I've come to dislike the term "SVT" (supraventricular tachycardia). In the first place, it's not an arrhythmia. It's an umbrella term that covers a group of arrhythmias which require the AV node for their maintenance. Most importantly, it includes sinus tachycardia! For some reason, this is a difficult concept for many clinicians to grasp, partly […]

EMS 12-Lead

Cardiac Rhythm Analysis, 12-Lead ECG Interpretation, Resuscitation

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Comments
Jessica
68 y.o. male with weakness: “Treat the monitor, not the patient?”
the bizzare complexes coupled with the fact that the patient takes a potassium sparing diuretic make me think hyperkalemia
2015-04-29 12:31:37
Aman
The 12 Leads of Christmas: V2
Thank you for your response. By all means, take your time! As for the source of the first figure, I got it from the book "Essential Cardiology: Principles and Practice - 3rd edition" by Clive Rosendorff - Chapter 7, Figure 7.3 (Page 97). It's one of the rare texts where I found a mention of…
2015-04-27 06:52:25
Vince DiGiulio
The 12 Leads of Christmas: V2
Your questions on this topic are some of the best I've encountered—no need to apologize! It makes me very happy to see this post reaching the right people. I'm working non-stop the next two days but I will get back to you soon with my full response. Two things to start: First, where did you…
2015-04-27 05:14:11
AJ
68 y.o. male w/ weakness: conclusion – “Treat the monitor.”
Very informative case! Thank you for sharing..... I will be using it to teach our paramedics and residents (if you allow me to)..... Keep the great working going guys!
2015-04-27 03:05:29
Aman
The 12 Leads of Christmas: V2
Thank you so much! I wonder why this information is not found in ECG texts. I have a query though. The critical information seems to be the fact that leads V1 and V2; V3; and V4-V6, each are physically located on a different transverse plane with respect to the theoretical electrical center. (Also mentioned in…
2015-04-26 18:24:06

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