A 3-year-old boy presents with multiple daily episodes of sudden staring and unresponsiveness lasting 5-10 seconds, occurring 10-20 times per day. Vital signs are normal: BP 95/60 mmHg, HR 88/min, RR 22/min, temp 37°C. Between episodes, he is completely alert with no post-ictal confusion or fatigue. EEG demonstrates characteristic 3 Hz spike-and-wave discharges. Neuroimaging is unremarkable. He takes no medications. Which of the following is the most likely diagnosis?
- A)Absence seizureGABARITO
- B)Febrile seizure
- C)Generalized tonic-clonic seizure
- D)Infantile spasm
- E)Complex partial seizure
Explicação
Absence seizures (petit mal) are characterized by brief (5-20 second) episodes of behavioral arrest and unresponsiveness without post-ictal confusion, occurring multiple times daily. Peak onset is 4-8 years old. EEG is pathognomonic showing 3 Hz spike-and-wave... Ver explicação completa e trilha adaptativa →