AVRT Flashcards Preview

Advanced EP > AVRT > Flashcards

Flashcards in AVRT Deck (18)
Loading flashcards...
1

A delta wave is associated with what rhythm?

WPW

2

What percentage of patients present AVRT?

30%

3

What percentage of patients have more than one accessory pathway?

10%

4

What are the characteristics of a fast pathway?

fast depolarization
slow repolarization

5

Orthodromic tachycardia

down AV
up Accessory pathway

6

Which bypass tract conducts in a retrograde direction only?

concealed

7

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

Atrial Fibrillation

8

VA interval in orthodromic AVRT

> 65 msec

9

When is WPW diagnosed?

Sinus Rhythm

10

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

Isuprel

11

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

Right Sided

12

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

Concentric Activation

13

Which AVRT is HVA and has a narrow QRS?

orthodromic

14

What is the most common accessory pathway?

left lateral wall

15

What is the ECG finding of WPW?

short PR and Delta wave

16

What is the activation sequence of HIS for orthodromic tach?

HVA

17

What is the activation sequence of HIS for antidromic tach?

VHA

18

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

antidromic