Which of the following is TRUE of cryptococcal central...

Name: Problem 7, Chapter 13: Emergency Medicine Examination & Board Review
Uploaded: 2021-08-21T02:04:20-08:00
Duration: 1 min 23 s
Channel: Joanna Quigley
Description: Which of the following is TRUE of cryptococcal central nervous system (CNS) infections? (A) They can often be identified on CT scan. (B) They are associated with elevated intracranial pressure, which should be treated by cerebrospinal fluid lumbar puncture drainage. (C) They are initially treated with oral fluconazole. (D) They cause meningeal signs.

Which of the following is TRUE of cryptococcal central nervous system (CNS) infections? (A) They can often be identified on CT scan. (B) They are associated with elevated intracranial pressure, which should be treated by cerebrospinal fluid lumbar puncture drainage. (C) They are initially treated with oral fluconazole. (D) They cause meningeal signs.

Which of the following is TRUE of cryptococcal central nervous system (CNS) infections?
(A) They can often be identified on CT scan.
(B) They are associated with elevated intracranial pressure, which should be treated by cerebrospinal fluid lumbar puncture drainage.
(C) They are initially treated with oral fluconazole.
(D) They cause meningeal signs.

Key Concepts

Antifungal Treatment Protocols

Treatment of central nervous system fungal infections generally involves potent antifungal agents rather than initial monotherapy with agents like oral fluconazole. A combination of medications, often starting with a more aggressive regimen, is standard to effectively manage and clear the infection.

Intracranial Pressure Management

Elevated intracranial pressure is a significant complication in many CNS infections, including fungal meningitis. Effective management often involves therapeutic lumbar punctures to drain cerebrospinal fluid and reduce pressure, which is critical to preventing further neurological damage.

Clinical Presentation and Meningeal Signs

Patients with central nervous system infections often present with meningeal signs; however, in cryptococcal meningitis, the presentation can be subtle, and conventional signs such as neck stiffness and photophobia might be absent. Thus, clinical suspicion combined with appropriate diagnostic tools is crucial for accurate diagnosis.

Cryptococcal Meningitis

A form of fungal central nervous system infection that primarily affects immunocompromised patients. It is caused by Cryptococcus species and typically presents with features that can be less dramatic than bacterial meningitis, sometimes lacking obvious meningeal signs. Understanding its pathophysiology and varied presentation is essential in clinical diagnostics.

Diagnostic Imaging in CNS Infections

Diagnostic imaging, such as CT scans, is commonly used in assessing central nervous system infections; however, in conditions like cryptococcal meningitis, imaging may not always reveal specific abnormalities. This underlines the need for additional diagnostic methods like lumbar puncture and CSF analysis in suspected cases.

Transcript

Please give Ace some feedback