AVRT

Question 1

A delta wave is associated with what rhythm?

Answer 1

WPW

Question 2

What percentage of patients present AVRT?

Answer 2

30%

Question 3

What percentage of patients have more than one accessory pathway?

Answer 3

10%

Question 4

What are the characteristics of a fast pathway?

Answer 4

fast depolarization

slow repolarization

Question 5

Orthodromic tachycardia

Answer 5

down AV

up Accessory pathway

Question 6

Which bypass tract conducts in a retrograde direction only?

Answer 6

concealed

Question 7

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

Answer 7

Atrial Fibrillation

Question 8

VA interval in orthodromic AVRT

Answer 8

> 65 msec

Question 9

When is WPW diagnosed?

Answer 9

Sinus Rhythm

Question 10

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

Answer 10

Isuprel

Question 11

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

Answer 11

Right Sided

Question 12

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

Answer 12

Concentric Activation

Question 13

Which AVRT is HVA and has a narrow QRS?

Answer 13

orthodromic

Question 14

What is the most common accessory pathway?

Answer 14

left lateral wall

Question 15

What is the ECG finding of WPW?

Answer 15

short PR and Delta wave

Question 16

What is the activation sequence of HIS for orthodromic tach?

Answer 16

HVA

Question 17

What is the activation sequence of HIS for antidromic tach?

Answer 17

VHA

Question 18

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

Answer 18

antidromic