ventricular arrhythmia AE long QT syndrome AE https://en.wikipedia.org/wiki/Long_QT_syndrome A cardiac disorder AE that shows a disorder of the heart's electrical activity, which can cause sudden, uncontrollable, dangerous arrhythmias in response to exercise or stress. The term "long QT" refers to an abnormal pattern seen on an EKG (electrocardiogram), a test that detects and records the heart's electrical activity. LQTS AE Madison Kalter, Jamie Ngai, Beccca Racz, Oliver He https://www.nhlbi.nih.gov/health-topics/long-qt-syndrome