This case is indeed difficult to handle. So far, he hasn't gained much experience. For the last case, he only solved it by consulting the literature.
Zhaxi furrowed his brows. Fever, joint pain, rash—these are signs of rheumatic immunological diseases. But the sudden onset of confusion suggests the central nervous system is involved. He continued to flip through. The Neurology Department's examination records indicate that when the patient was admitted, he was in a confused state, with disorientation, reduced calculation ability, and significantly impaired recent memory. Physical examination did not reveal obvious neurological localization signs—no paralysis, sensory dysfunction, or ataxia. A head CT scan was normal. Lumbar puncture showed normal intracranial pressure; cerebrospinal fluid was routine, biochemical, and cytological tests were normal; pathogen tests were negative. EEG displayed diffuse slow-wave activity, suggesting diffuse brain dysfunction.
