IBHRE Ablation Procedures and Techniques

Question 1

What primary energy source is used in radiofrequency catheter ablation?

Accepted Answer

Radiofrequency alternating electrical current

Answer

Cryoenergy

Answer

Laser energy

Answer

High-intensity ultrasound

Question 2

What catheter tip temperature range is typically targeted during radiofrequency ablation?

Accepted Answer

55–70°C

Answer

25–35°C

Answer

45–55°C

Answer

75–85°C

Question 3

What key safety advantage does cryoablation offer compared to radiofrequency ablation?

Accepted Answer

Reversible freezing allows testing before permanent ablation

Answer

It uses higher temperatures for faster lesions

Answer

It cannot create permanent lesions

Answer

It requires less fluoroscopy

Question 4

Pulmonary vein isolation is the cornerstone ablation strategy for which arrhythmia?

Accepted Answer

Atrial fibrillation

Answer

Ventricular tachycardia

Answer

AVNRT

Answer

Typical atrial flutter

Question 5

Where is the 'slow pathway' targeted during catheter ablation of AVNRT?

Accepted Answer

Posteroseptal region near the coronary sinus os

Answer

His bundle region

Answer

Anteroseptal tricuspid annulus

Answer

Right superior pulmonary vein

Question 6

Catheter ablation of typical right atrial flutter creates a lesion line across which structure?

Accepted Answer

Cavo-tricuspid isthmus

Answer

Left atrial posterior wall

Answer

His bundle region

Answer

Superior vena cava-right atrium junction