Case seven, Stephan is a 64-year-old man with hypertension, high cholesterol, and coronary artery disease whose status post an anterior non-QA of myocardial infarction two years ago. He has no history of arrhythmias and no family history of sudden death. He developed a liver abscess with sepsis for which he was recovering. At an outpatient visit with his infectious disease physician, he had a witness cardiac arrest and was resuscitated. His EKG following resuscitation is shown in the next slide. His medications at the time of presentation included clavix, fluconazole, Lasix, levofloxacin, metronidazole, and at the time of the arrest, his potassium was 2.9. This is the EKG following the cardiac arrest. An ICD was placed. A month later, his medicines were aspirin, clavix, Lasix, potassium, lisinopril, and topralexal, and he was feeling well. This is his EKG a month later. Which of the following best describes Stephan's situation? A, he has inherited Long QT syndrome and likely had TORSAD. B, he had acquired Long QT syndrome and should undergo genetic testing using a commercial Long QT panel. C, he had acquired Long QT syndrome and requires no genetic testing. D, he would not have arrested if his potassium had been greater than four. And E, he has acquired Long QT syndrome from decreased depolarization reserve and is at risk for Brugada syndrome.

cardiac arrest

Long QT syndrome

potassium deficiency

ICD placement

medication regimen