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Flashcards in AVRT Deck (18)
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1
Q

A delta wave is associated with what rhythm?

A

WPW

2
Q

What percentage of patients present AVRT?

A

30%

3
Q

What percentage of patients have more than one accessory pathway?

A

10%

4
Q

What are the characteristics of a fast pathway?

A

fast depolarization

slow repolarization

5
Q

Orthodromic tachycardia

A

down AV

up Accessory pathway

6
Q

Which bypass tract conducts in a retrograde direction only?

A

concealed

7
Q

What is the rhythm that is threatening in a patient with an accessory pathway?

A

Atrial Fibrillation

8
Q

VA interval in orthodromic AVRT

A

> 65 msec

9
Q

When is WPW diagnosed?

A

Sinus Rhythm

10
Q

Which drug would not be given to a patient during an episode of AVRT?

A

Isuprel

11
Q

If the delta is negative in V1, where is the pathway?

A

Right Sided

12
Q

What kind of activation is retrograde atrial activation that from septum to RA and LA?

A

Concentric Activation

13
Q

Which AVRT is HVA and has a narrow QRS?

A

orthodromic

14
Q

What is the most common accessory pathway?

A

left lateral wall

15
Q

What is the ECG finding of WPW?

A

short PR and Delta wave

16
Q

What is the activation sequence of HIS for orthodromic tach?

A

HVA

17
Q

What is the activation sequence of HIS for antidromic tach?

A

VHA

18
Q

Which of the two types of AVRT is SVT with abberancy?

A

antidromic