Acute ischemic stroke is rare in children, but it is one of the important causes of neurological morbidity. The etiology of AIS in childhood includes cardiac pathologies, cerebral arteriopathies, hypercoagulation, chemicals, drugs, inflammatory and autoimmune causes. In this article, we present an infant who has a genetic predisposition to hypercoagulation and comes with AIS clinic when multifactorial risk factors are added. The diagnosis, the underlying etiology, the risk factors affecting the process, the treatment of acute phase, the secondary treatment and the associated preventive approach on prognosis were discussed. [ABSTRACT FROM AUTHOR]