Dr. Prystowsky Unknown Tracing Series

This series of unknown tracings is presented in collaboration with Medtronic and offered as an extension of the EP on EP series with Dr. Prystowsky. Each month, a new tracing and multiple-choice question will be posted to test your knowledge.

Unknown Tracings

 

Season 3, Tracing 12

Unknown Tracings - Season 3, Tracings 12

QUESTION: The mechanism for the change in retrograde atrial activation most likely is?

  1. Block in AVN slow pathway
  2. Block in AVN fast pathway
  3. Retrograde HPS gap physiology

View Answer

Previous Tracings

Season 3, Tracing 11

Unknown Tracings - Season 3, Tracings 11

QUESTION: The data in this slide are most consistent with:

  1. An accessory pathway is present
  2. An accessory pathway is present and participates in tachycardia
  3. AV node reentry is most likely Dx
  4. Atrial tachycardia is most likely Dx

View Answer

Season 3, Tracing 10

Unknown Tracings - Season 3, Tracings 10

QUESTION: What best describes the findings in the figure?

  1. Presence of an AV connection
  2. Presence of a FV connection
  3. Presence of a NV connection
  4. Presence of an AF tract
  5. Presence of a RBB potential

View Answer

Season 3, Tracing 9

Unknown Tracings - Season 3, Tracings 9

QUESTION: The mechanism for the last atrial complex is most likely:

  1. Atrial extrasystole
  2. Gap physiology
  3. Supernormal conduction
  4. Retrograde AVN conduction

View Answer

Season 3, Tracing 8

Unknown Tracings - Season 3, Tracings 8

QUESTION: The mechanism of tachycardia is most likely:

  1. Slow/Fast AVNRT
  2. Atrial tachycardia
  3. AVRT
  4. Need more data

View Answer

Season 3, Tracing 7

Unknown Tracings - Season 3, Tracings 7

QUESTION: The mechanism of heart block is:

  1. AVN dysfunction
  2. HPW dysfunction
  3. Junctional depolarizations
  4. Increased parasympathic tone

View Answer

Season 3, Tracing 6

Unknown Tracings - Season 3, Tracings 6

QUESTION: Retrograde conduction is over:

  1. The AV Node
  2. An Accessory pathway
  3. Both the AVN and AP
  4. Cannot be Determined

View Answer

Season 3, Tracing 5

Unknown Tracings - Season 3, Tracings 5

QUESTION: The diagnosis is:

  1. Atrial tachycardia
  2. AV node reentry
  3. AV reentry
  4. VT and SVT

View Answer

Season 3, Tracing 4
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Unknown Tracings - Season 3, Tracings 4

QUESTION: What is your diagnosis?

  1. Atrial tachycardia
  2. AV node reentry
  3. AV reentry
  4. CTI Flutter

View Answer

Season 3, Tracing 3

Unknown Tracings - Season 3, Tracings 3

QUESTION: Where is the most likely level of AV block?

  1. AVN
  2. His bundle
  3. Infra-His

View Answer

Season 3, Tracing 2

Unknown Tracings - Season 3, Tracings 2

QUESTION: The mechanism of tachycardia is:

  1. AVN reentry with aberrancy
  2. Antidromic reentry
  3. Ventricular tachycardia
  4. Atrial tachycardia with bystander preexcitation

View Answer

Season 3, Tracing 1

Unknown Tracings - Season 3, Tracings 1

QUESTION: What is the diagnosis?

  1. Atrial tachycardia
  2. AV node reentry
  3. AV reentry
  4. Need more data

View Answer

Want More Unknown Tracings?

Want to try more of Dr. Prystowsky's Unknown Tracings? Visit Medtronic Academy to test your knowledge by logging into Medtronic Academy and analyzing a series of cardiac tracings and questions posed by Dr. Eric Prystowsky.