Dr. Prystowsky Unknown Tracing Series

Season 3, Tracing 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

Previous Tracings

Season 3, Tracing 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

Season 3, Tracing 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

Season 3, Tracing 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

Season 3, Tracing 8

QUESTION: The mechanism of tachycardia is most likely:

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

Season 3, Tracing 7

QUESTION: The mechanism of heart block is:

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

Season 3, Tracing 6

QUESTION: Retrograde conduction is over:

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

Season 3, Tracing 5

QUESTION: The diagnosis is:

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

Season 3, Tracing 4

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QUESTION: What is your diagnosis?

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

Season 3, Tracing 3

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

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

Season 3, Tracing 2

QUESTION: The mechanism of tachycardia is:

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

Season 3, Tracing 1

QUESTION: What is the diagnosis?

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