Supraventricular tachycardia (SVT) | ACLS-Algorithms.com

Comments

    • ACLS says

      Yes, this is wrong. Typically SVT will have a rate greater than 150/min. Typical rates are between 150-200 per minute.

      Kind regards,
      Jeff

  1. gladys pena says

    how can you differentiate between SVT and wolf Parkinson syndrome. I nursed a patient with a tachycardia of 213 bp per mint and conscious with nil symptoms or drop in its haemodynamic

    • Jeff with admin. says

      Determining whether the patient has WPW is done when the patient is not tachycardic. While the patient is tachycardic there is no way to determine. Patients with WPW will have a qrs complex that has “slurring” on the initial R wave and the PR interval will be short.

      On the following website, you will find a diagram in a box titled:
      “ECG features of WPW in sinus rhythm”
      this will give you a good example of what to look for with regard to WPW. Wolff-Parkinson White syndrome

      Kind regards,
      Jeff

    • Jeff with admin. says

      There is not a designated section for rhythm identification, but there will be questions on the written exam that require you to be able to identify all of the major arrhythmias.

      Kind regards,
      Jeff

  2. Bonnie Villarreal says

    Just FYI…I was found to have an extra AV node after a couple of episodes of SVT through EP. No treatment was needed as I could usually convert with a vagal manuever and rest. I am a survivor of a rare form of pancreatic cancer. Chemo appeared to attack that AV node and I went through several treatments of SVT in the ER and, finally, a cardiac ablation. The best way I can describe it is, you are running very rapidly and then with a dose of Adenosine, you hit the proverbial brick wall. It always took the second dose for me, and it’s important to flush immediately and raise the affected IV site arm. Working on 13yrs of survival and no further SVT.
    Just found your course, and it’s AWESOME! Thank you!

    • Jeff with admin. says

      Thanks for sharing your story. I’m so glad that you haven’t had any more reoccurrences of SVT.

      Thanks the Lord for your healing from pancreatic cancer as well.

      Kind regards,
      Jeff

  3. Brett says

    A patient comes into the Emergency room with a heart rate of 180. (Svt)
    Adenosine is given at 6mg. The first dose doesn’t work so a 12mg dose is administered and nothing. Doctor decides to do synchronized cardioversion at 50j.
    Patient goes into atrial flutter. A second cardioversion is done at 100j. Nothing is bringing the patients heart rate down.
    After 2nd cardioversion is done patient goes unconscious and is still in atrial flutter.
    What could be going on here? Patient was clean with no drugs in system.

    • Jeff with admin. says

      My first thought is “was it really SVT?” Without more assessment and history and a look at the 12-lead ECG, I have no idea. Nothing else comes to mind with the info provided.

      If the patient was stable, I would not have attempted cardioversion. I would have attempted to get a cardiologist to evaluate the patient.

      Kind regards,
      Jeff

    • Brian says

      Uncontrolled A-Fib…of course adenosine won’t work….should palpate a radial or some pulse and not read from monitor….A-Fib and SVT get mixed up a lot…….my thoughts ….I have been in the prehospital for 18 years…medic for 11….

    • Jeff with admin. says

      Adenocard (adenosine) it’s still part of the tachycardia algorithm. All of this information is covered on the site pages that review the tachycardia algorithm.

      Kind regards,
      Jeff

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