Identify the ECG given below?
AViral myocarditis
BTorsades de pointes
CCardiac tamponade
DPericarditis
A 54-year-old man presents after a syncopal episode with no recollection of the event, and bystanders report that he regained consciousness approximately 45 seconds after falling. He has a history of bipolar disorder managed with quetiapine, and recently experienced prostatitis treated with ciprofloxacin. His other medications include lisinopril and hydrochlorothiazide for hypertension, and cyclobenzaprine and a hydrocodone/acetaminophen combination pill for low back pain. On examination, the patient is alert and oriented, with a nonfocal neurological examination and an unremarkable cardiac examination. Electrocardiogram shows nonspecific ST and T wave changes and a prolonged QT interval (QTc of 540 milliseconds). What is the best initial management approach?
AAdmit for permanent implantable cardioverter-defibrillator (ICD)
BAdmit and begin amiodarone infusion
CRefer for genetic counseling
DAdmit the patient for telemetry and evaluate for reversible causes of QT prolongation
Which of the following is true about torsades de pointes?
APresence of polymorphic QRS complexes
BIt is a type of supraventricular tachycardia
CQRS complexes appear to rotate around the isoelectric baseline of ECG
DPresence of prolonged QT interval on ECG
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