Oxford, UK: Elsevier, 2015:821 60. S4.1-3. Shen WK, Sheldon RS, Benditt DG, et al. 2017 ACC/AHA/HRS guideline for the evaluation and management of patients with syncope: a report of the American College of Cardiology/American Heart Association Task Force on Clinical Practice Guidelines and the Heart Rhythm Society. Circulation. 2017;136:e60 122. S4.1-4. Soteriades ES, Evans JC, Larson MG, et al. Incidence and prognosis of syncope. N Engl J Med. 2002;347:878 85. S4.1-5. Noda T, Shimizu W, Taguchi A, et al. Malignant entity of idiopathic ventricular fibrillation and polymorphic ventricular tachycardia initi- ated by premature extrasystoles originating from the right ventricu- lar outflow tract. J Am Coll Cardiol. 2005;46:1288 94. S4.1-6. Viskin S, Rosso R, Rogowski O, et al. The short-coupled variant of right ventricular outflow ventricular tachycardia: a not-so-benign form of benign ventricular tachycardia? J Cardiovasc Electrophysiol. 2005;16:912 6. S4.1-7. Zimetbaum P, Josephson ME. Evaluation of patients with palpita- tions. N Engl J Med. 1998;338:1369 73. S4.1-8. Credible meds. Available at: http://www.crediblemeds.org. Accessed December 26, 2016. S4.1-9. Brugada drugs. Available at: http://www.brugadadrugs.org. Accessed October 6, 2016. S4.1-10. Konigstein M, Rosso R, Topaz G, et al. Drug-induced Brugada syndrome: clinical characteristics and risk factors. Heart Rhythm. 2016;13:1083 7. S4.1-11. Basso C, Perazzolo MM, Rizzo S, et al. Arrhythmic mitral valve pro- lapse and sudden cardiac death. Circulation. 2015;132:556 66. S4.1-12. Nordhues BD, Siontis KC, Scott CG, et al. Bileaflet mitral valve pro- lapse and risk of ventricular dysrhythmias and death. J Cardiovasc Electrophysiol. 2016;27:463 8. S4.1-13. Sriram CS, Syed FF, Ferguson ME, et al. Malignant bileaflet mitral valve prolapse syndrome in patients with otherwise idiopathic out- of-hospital cardiac arrest. J Am Coll Cardiol. 2013;62:222 30. S4.1-14. Huikuri HV, Castellanos A, Myerburg RJ. Sudden death due to car- diac arrhythmias. N Engl J Med. 2001;345:1473 82. S4.1-15. 