Dr. Eric N. Prystowsky Unknown Tracing Series

Unknown Tracings by Dr. Prystowsky

This educational series allows you to analyze a set of cardiac tracings and answer a question posed by Dr. Prystowsky PRIOR to viewing his video explanation and answer. The ability to interpret complex cardiac tracings is a fundamental skill all electrophysiologists should master.

April 2019

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QUESTION: The mechanism of tachycardia is most likely:

  1. AVRT
  2. AVNRT
  3. AVNRT with bystander AP
  4. Atrial tachycardia

View the Answer

 

See Previous Tracings

March 2019

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QUESTION: The reason for the change in retrograde activation is related to what?

  1. Loss of AP conduction
  2. Loss of LBBB
  3. Concealed conduction in the SP

View the Answer

February 2019

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QUESTION: In this patient with recurrent syncope and no VT induced, what would you do next?

  1. Implant pacemaker
  2. Give IV procainamide
  3. Implant ILR
  4. Routine follow up
January 2019

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Click to enlarge image

Click to enlarge image

QUESTION: The mechanism of tachycardia is most likely?

  1. AVRT
  2. AVNRT
  3. Atrial Tachycardia
December 2018

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Click to enlarge image

Click to enlarge image

QUESTION: The mechanism of tachycardia is most likely?

  1. AVRT
  2. AVNRT
  3. Atrial Tachycardia

View the Answer

November 2018

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QUESTION: What best describes the finding in the figure?

  1. An AP is part of the tachycardia circuit
  2. A septal/right sided AP is present
  3. A left sided AP is present
  4. An AP is present

View the Answer

October 2018

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QUESTION: The conduction block is most likely in...

  1. The AV Node
  2. The His bundle
  3. The Infra-His

View the Answer

September 2018

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QUESTION: What best describes the findings in the figure?

  1. Runs of PVCs
  2. Intermittent preexcitation
  3. Preferential conduction over an AP

View the Answer

August 2018

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QUESTION: Conduction of the shorter S1S2 interval is most likely due to what?

  1. Equal conduction delay
  2. Supernormal conduction
  3. Gap physiology

View the Answer