Core EM - Emergency Medicine Podcast

Episode 88.0 – Simplified Approach to Tachydysrhythmias

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This week, we review a simplified approach to determining the rhythm on an EKG with a tachydysrhythmia.

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Tags: Atrial Fibrillation, AVNRT, SVT, Tachycardias, Tachydysrhythias, Ventricular Tachycardia
Show Notes

Take Home Points

  1. When looking at a tachy rhythm that isn’t sinus tach, quickly differentiate by determining if the QRS complexes is narrow or wide and then determine if the rhythm is regular or irregular. This approach quickly drops the rhythm into 1 of 4 boxes and makes rhythm determination much easier
  2. Each of those 4 categories has a small set of rhythms included. Narrow and irregular – AF, Aflutter with variable block or MFAT. Narrow and regular – SVT or Aflutter. Wide and irregular – Torsades, VF, AF with aberrancy or a BBB. Wide and regular – VTach, SVT with aberrancy or SVT with a BBB.
  3. If you see wide and regular, the top 3 diagnoses are VT, VT and VT. Assuming VT and treating for that will almost never send you astray

    4. Read More

    EM: RAP: Episode 84 – Tachycardia

    Core EM: A Simplified Approach to Tachydysrhythmias

    Core EM: Atrioventricular Nodal Reentry Tachycardia

    Core EM: Ventricular Tachycardia

    Core EM: Recent-Onset Atrial Fibrillation

    Simplified Approach to Tachydysrhythmias Diagnosis

    Tachydysrhythmias Therapeutic Algorithm

    Torsades de Pointes

    Torsades de Pointes


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