cardiac rhythm disease incessant infant ventricular tachycardia https://github.com/monarch-initiative/mondo/issues/6740 https://www.malacards.org/card/incessant_infant_ventricular_tachycardia icd11.foundation:1364925734 Orphanet:45453 GARD:0018832 MONDO:0018685 UMLS:C0340487 SCTID:233908008 MEDGEN:573762 Incessant infant ventricular tachycardia is a rare type of ventricular tachycardia (VT) characterized by the presence of tachycardia originating from the ventricles, observed for more than 10% of a 24 hour monitoring period. Patients are either asymptomatic or present congestive heart failure.