EP Quiz Archive
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?
EP Quiz #43
A 44-year-old with Lenegre-Lev disease has progressive RBBB + LAFB. His PR is 280 ms and H-V is 80 ms. What is the annual risk of complete heart block?
EP Quiz #42
A 56-year-old with dual AV nodal physiology has AVNRT with a fast-slow variant. The retrograde P waves precede the QRS. What is the ablation target?
EP Quiz #41
A 29-year-old with focal atrial tachycardia originating from the right pulmonary vein-atrial junction. Map-guided ablation is planned. What are the anatomical landmarks?
EP Quiz #40
A 71-year-old with atrioventricular block 2:1 and no structural heart disease. HV interval is 76 ms on EP study. Is prophylactic pacing indicated? Which lead position?
EP Quiz #39
A 38-year-old with idiopathic VF survives a cardiac arrest. Genetic panel reveals a SCN5A mutation. His Brugada pattern is inducible with procainamide. What is the management?
EP Quiz #38
A 52-year-old with cardiac sarcoidosis has non-sustained VT and EF 40%. Cardiac MRI shows extensive LGE. PET scan shows active inflammation. What is your approach?