EP Quiz Archive
EP Quiz #55
A 53-year-old with PVC-induced cardiomyopathy has EF 35% and 24% PVC burden. He undergoes successful ablation. What is the expected recovery in EF and timeline?
EP Quiz #54
Identify: ECG shows a regularly irregular rhythm at 90 bpm with variable PR interval, progressive PR lengthening, then a dropped beat. What is the block type and level?
EP Quiz #53
A 40-year-old male has persistent AF and is undergoing cryoballoon PVI. The right inferior PV has an unfavourable anatomy. How do you manage difficult PV anatomy?
EP Quiz #52
A 45-year-old with hypertrophic obstructive cardiomyopathy has gradient of 50 mmHg at rest. He has non-sustained VT and presyncope. Does he need an ICD?
EP Quiz #51
A 58-year-old with ischaemic CM, EF 30%, and LBBB undergoes CRT implant. His 6-month echo shows non-response. What defines non-response and what are the corrective steps?
EP Quiz #50
A patient with a Jervell-Lange-Nielsen syndrome has corrected QT of 560 ms. Nadolol has failed twice. He has had 4 appropriate ICD shocks this year. What is the next step?
EP Quiz #49
A 35-year-old male athlete collapses during football. ECG shows short-coupled PVCs initiating polymorphic VT. No structural disease. What is the diagnosis and management?
EP Quiz #48
A 63-year-old post-TAVR patient has new LBBB with QRS 160 ms. EF drops to 40% in 3 months. What is the threshold for pacing/CRT after TAVR?
EP Quiz #47
A 27-year-old female with recurrent SVT is found to have an epicardial accessory pathway (Mahaim). The ablation requires epicardial access. What are the challenges?
EP Quiz #46
A wide-complex tachycardia is seen in an 80-year-old. He is haemodynamically stable. The Brugada criteria suggest VT. What are the safe steps before DC cardioversion?
EP Quiz #45
A 50-year-old with persistent AF and valvular AF (mitral stenosis). His valve score makes him unsuitable for ablation. What is the anticoagulation strategy? OAC choice?
EP Quiz #44
A 66-year-old on chronic amiodarone develops sinus bradycardia at 42 bpm and symptomatic pauses. He has ischaemic cardiomyopathy. Should amiodarone be stopped?