Hereditary Creutzfeldt-Jakob Disease: A Case Presentation of a Rare Stroke Mimic
Rachel E Bridwell1, Jessica A Barlow2, Andrew R Jacobson3
1Emergency Medicine, Madigan Army Medical Center, Joint Base Lewis-McChord, USA.
Insights
Rapidly progressive dementia, Creutzfeldt-Jakob disease (CJD), can mimic acute ischemic stroke. Early recognition aids diagnosis through MRI, EEG, and CSF studies, guiding palliative care.
Area of Science:
- Neurology
- Neuroscience
- Infectious Disease
Background:
- Acute ischemic cerebrovascular accident (CVA) is a critical diagnosis requiring swift intervention.
- Cerebrovascular mimics pose significant diagnostic challenges in emergency settings.
- Creutzfeldt-Jakob disease (CJD) is a rare, rapidly progressive, and fatal dementia caused by protein misfolding.
Observation:
- CJD can present symptomatically similar to acute ischemic CVA, complicating initial diagnosis.
- Diagnostic tools for CJD include Magnetic Resonance Imaging (MRI), electroencephalogram (EEG), and specialized cerebrospinal fluid (CSF) analysis.
- While diagnosis can be confirmed postmortem, live patient diagnosis is possible with specific neurological assessments.
Findings:
- CJD is a fatal neurodegenerative disease with a rapid progression, typically leading to death within months.
- Neurological examination, MRI, EEG, and CSF studies are crucial for differentiating CJD from other neurological emergencies.
- Prompt identification allows for appropriate patient management and palliative care consultations.
Implications:
- Emergency clinicians must consider CJD as a potential diagnosis in patients presenting with stroke-like symptoms and rapid neurological decline.
- Advocating for specialized CSF testing is vital for accurate CJD diagnosis in the emergency department.
- Considering CJD facilitates timely palliative care discussions and management planning for affected patients and families.
Abstract:
Acute ischemic cerebrovascular accident (CVA) is a time-sensitive emergent diagnosis, requiring rapid diagnosis and consideration of thrombolytic administration. However, a myriad of cerebrovascular mimics creates a diagnostic challenge. A rare CVA mimic is Creutzfeldt-Jakob disease (CJD), a rapidly progressive fatal dementia due to protein misfolding. Magnetic resonance imaging (MRI) and neurology consultation for electroencephalogram (EEG) and specialized cerebrospinal fluid (CSF) studies are diagnostic while the patient is alive. All forms are fatal within months, and diagnosis can be confirmed on postmortem brain testing. While incredibly uncommon, emergency clinicians should consider this diagnosis in the proper patient to advocate for specialized CSF testing and potential palliative care consultation.
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