A 9-month-old infant presents with sudden onset of brief flexion of the trunk and extremities occurring in clusters, followed by crying. Episodes last 1-2 seconds and occur 10-15 times daily. Vital signs: HR 128/min, RR 26/min, BP 95/60 mmHg, temp 37.2°C, SpO2 98%. EEG demonstrates hypsarrhythmia with high-amplitude disorganized activity. Serum glucose and metabolic panel are normal. No fever or recent illness reported. Which diagnosis best explains these findings?
- A)Infantile spasm (West syndrome)GABARITO
- B)Myoclonic-astatic seizure
- C)Febrile seizure
- D)Generalized tonic-clonic seizure
- E)Absence seizure
Explicação
Infantile spasms (West syndrome) present in infants 3-12 months with sudden flexion (jackknife pattern) or extension of trunk and limbs in clusters. EEG shows pathognomonic hypsarrhythmia (chaotic high-amplitude background). Often associated with developmental... Ver explicação completa e trilha adaptativa →