EP Quiz Archive
EP Quiz #61
A 55-year-old with persistent AF has left atrial appendage thrombus on CT. After 4 weeks of anticoagulation, thrombus persists. What is your ablation strategy?
EP Quiz #60
A 48-year-old female with mixed connective tissue disease has AV block and sinus node dysfunction. How do ANA/anti-Ro antibodies relate to conduction disease?
EP Quiz #59
A 61-year-old post-MI patient has recurrent monomorphic VT despite amiodarone. He has undergone one prior ablation. What is the role of stereotactic body radiotherapy for VT?
EP Quiz #58
A 70-year-old with a transvenous ICD presents with pocket infection. Blood cultures are negative. How do you manage infected cardiac implantable electronic devices?
EP Quiz #57
A 32-year-old with idiopathic outflow tract VT has PVCs from the aorto-mitral continuity. What ECG features localise PVCs to this region? What are the ablation risks?
EP Quiz #56
A paced rhythm with 100% RV pacing shows low-amplitude far-field R-wave oversensing during T-wave. The ICD delivers inappropriate therapy. How do you reprogram to avoid this?
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?