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
Stephen Smith
Conclusion: “And then I gave her a NTG…”
There is also no data I'm aware of that shows that, in the reperfusion era, nitroglycerine helps patients with STEMI who do not have elevated BP or pulmonary edema. Data is lacking in all regards.
2014-10-24 16:14:36
Kevin
44 year old male CC: Palpitations
Why on earth would you risk VF, by giving Adenosine to rule out rhythms.. This is dangerous, and foolish. There might be a slight chance that this is WPW.. You might as well just give him Cardizem, they are both AV nodal blockers... I don't know why the AHA even added this stupid idea..
2014-10-22 13:31:06
Vince DiGiulio
The 360 Degree Heart – Part II
It is standard practice in electrocardiography to label the first 90 degrees counter-clockwise from "zero" that way. When you see a patient with "left axis deviation" you'll see that their measured QRS axis is somewhere between -30 and -90 degrees. Imagine if you saw someone with a mean QRS axis at 5 degrees. Now imagine…
2014-10-21 14:00:37
Bryan
The 360 Degree Heart – Part II
I don't understand why (-)III and aVL are be labeled -60 and -30 degrees instead of 300 and 330 degrees?
2014-10-21 13:43:29
The 360 Degree Heart – Part II | EMS 12 Lead
The 360 Degree Heart – Part I
[…] first post in our “360 Degree Heart” series attempted to visualize how the different frontal plane […]
2014-10-21 12:50:56

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