Table 5

Comorbidities or Complications During the Treatment of Patients With JET

Comorbidity or ComplicationNumber
Patients presenting age <6 months
 Cardiac arrest2
 Possible myocarditis1
 Extracorporeal membrane oxygenation1
 Hemopericardium after transvenous pacemaker implant1
 Possible lung hypoplasia and copious ascites1
 Short gut syndrome from arrest bowel ischemia1
 Tuberous sclerosis1
 Vitamin D deficiency, rickets1
 Insulin-dependent diabetes and hypertension1
Patients presenting age >6 months
 Cardiac arrest, possible myocarditis1
 Postural orthostatic tachycardia syndrome1

JET = junctional ectopic tachycardia.