233 The Tachyarrhythmias

Question 0

Sinus beat followed by a VPC

Answer 0

Bigeminy

Question 1

Ventricular rhythm with 3 or more complexes at rate >40 bpm and <120 bpm

Answer 1

Accelerated idioventricular rhythm

Question 2

Two sinus beats followed by a VPC

Answer 2

Trigeminy

Question 3

Retrograde activation of the atria via the AP

Answer 3

Echo beat

Question 4

Most common paroxysmal regular SVT

Answer 4

Atrioventricular nodal reentrant tachycardia

Question 5

MC sustained arrhythmia

Answer 5

AF

Question 6

MC arrhythmia ID during extended ECG monitoring

Answer 6

APCs

Question 7

Ecg in sinus rhythm with ST segment elevation in leads I and II

Answer 7

Brugada syndrome

Question 8

Short pr interval

Delta wave

Answer 8

Wpw

Question 9

Responsible for brugada syndrome

Answer 9

Diminished inward sodium current in the region of RV outflow tract

Question 10

Terminal notching of the QRS complex And inverted T waves in sinus rhythm

Answer 10

Epsilon wave
(Delayed ventricular activation)
Arrhythmigenix RV cardiomyopathy/dysplasia

Question 11

Dse SCD
Arrhythmigenic RV dusplasia
Palmar-palmar keratosis
Woolly hair

Answer 11

Naxos disease

Question 12

Signature Vt with digoxin toxicity

Answer 12

Bidirectional VT

Question 13

Unique VT in digoxin toxicity

Answer 13

Calcium overload resulting from N K atpase inhibition

Question 14

Origin of bidirectional VT

Answer 14

Left anterior and posterior fascicles

Question 15

Normal Qt

Answer 15

> 460 men

> 480 women

Question 16

Location of typical AFL

Answer 16

R atrium around the tricuspid valve annulus

Question 17

Posterior boundary of right AFL

Answer 17

Crista terminalia
Eustachian ridge
Inf and superior vena cavae

Question 18

Classic AFL atrial rate

Answer 18

260-300 bpm