FIGURE 63.1 A diagnostic approach to palpitations a Especially caffeine, diet supplements, herbal preparations, sympathomimetic medications, cocaine, or amphetamines EKG, electrocardiogram; SVT, supraventricular tachycardia; VT, ventricular tachycardia; WPW, Wolff–Parkinson–White; CHF, congestive heart failure; Hgb, hemoglobin; POTS, postural orthostatic tachycardia syndrome Suggested Readings and Key References Ginsburg GS, Riddle MA, Davies M Somatic symptoms in children and adolescents with anxiety disorders J Am Acad Child Adolesc Psychiatry 2006;45:1179–1187 Kizilbash SJ, Ahrens SP, Bruce BK, et al Adolescent fatigue, POTS, and recovery: a guide for clinicians Curr Probl Pediatr Adolesc Health Care 2014;44:108–133 Marzuillo P, Benettoni A, Germani C, et al Acquired long QT syndrome: a focus for the general pediatrician Pediatr Emerg Care 2014;30(4):257– 261 Patel S, Sedaghat-Yazdi F, Perez M Management of pediatric chest pain, palpitations, syncope, and murmur presenting to the emergency department Clin Ped Emer Med 2018;19(4):328–339 Rivera RF, Chambers P, Ceresnak SR Evaluation of children with palpitations Clin Pediatr Emerg Med 2011;12(4):278–288 Sedaghat-Yazdi F, Koenig PR The teenager with palpitations Pediatr Clin North Am 2014;61(1):63–79