EP Quiz Archive
EP Quiz #73
A patient with subcutaneous ICD (S-ICD) has oversensing of myopotentials leading to inappropriate therapy. What are the programming solutions for S-ICD oversensing?
EP Quiz #72
A 36-year-old with long QT-2 (KCNH2 mutation) is on nadolol. She is pregnant (28 weeks). What are the arrhythmia risks during pregnancy and management strategies?
EP Quiz #71
A 70-year-old post-MV repair patient has junctional escape rhythm at 42 bpm with 3rd degree AV block. He is 10 days post-surgery. Is the AV block expected to recover?
EP Quiz #70
A 44-year-old female with atrial tachycardia after prior PVI presents with recurrent AF. The AT shows centrifugal activation from the posterior left atrium. What is the mechanism?
EP Quiz #69
A 34-year-old with Anderson-Tawil syndrome has periodic paralysis, QT prolongation, and ventricular arrhythmias. What is the genotype-phenotype correlation and management?
EP Quiz #68
ECG shows ST elevation with RBBB and left axis deviation in a haemodynamically unstable patient with wide complex tachycardia. What is the differential and immediate management?
EP Quiz #67
A 60-year-old with cardiac amyloidosis has sinus node dysfunction and AV block. He has poor prognosis. What are the pacing considerations in infiltrative cardiomyopathy?
EP Quiz #66
A 48-year-old presents with a dual tachycardia (atrial flutter with intermittent AVNRT). How do you manage coexisting arrhythmias in the EP lab?
EP Quiz #65
A 52-year-old with drug-refractory AVNRT is referred for ablation. During the procedure, steam-pop is heard. What are the complications of radiofrequency ablation?
EP Quiz #64
A 25-year-old with Emery-Dreifuss muscular dystrophy has 1st degree AV block and AF. When is prophylactic pacemaker or ICD implantation indicated in EDMD?
EP Quiz #63
A 67-year-old with AF post-cardiac transplant. What are the unique electrophysiological features of the transplanted heart and how is AF managed?
EP Quiz #62
A 38-year-old athlete with asymptomatic pre-excitation (WPW pattern on ECG). Exercise test shows persistent pre-excitation at peak HR. What is the next step?