What is the indication of tachycardia in patient with cerebral palsy?

Infection?: Tachycardia could be sec to multiple reasons. A reaction to certain medications congenital (present at birth) electrical pathway abnormalities in the heart congenital abnormalities of the heart iinfection.Electrolyte imbalance heart disease which has resulted in poor blood supply and damage to heart tissues, hyperthroidism, lung disease etc.