63 results
3 Stages of Lyme Disease 
Early Lyme Disease 
 - Erythema migrans 
 - Constitutional symptoms
Lyme Disease - Erythema ... Constitutional symptoms ... Gastrointestinal symptoms ... Acute Disseminated Infection ... InfectiousDiseases #Diagnosis
CNS Infection in HIV / AIDS - Differential Diagnosis Framework

Principles of HIV-Associated CNS Opportunistic Infections:
 •
- Differential Diagnosis ... cells per μL • Diagnosis ... status, and focal neurologic ... Imaging: - MRI ... #differential #diagnosis
Causes of Dizziness - Vertigo - Differential Diagnosis Algorithm
True Vertigo - Illusion of Rotary Movement
Peripheral Vestibular
- Differential Diagnosis ... vomiting, auditory symptoms ... symptoms/signs, ... nystagmus - Infection ... #Differential #Diagnosis
BEE Syndromes - Non-inflammatory Causes

Immune-mediated conditions affecting the Brain, Eye, and Ear

Visual or auditory symptoms in
Visual or auditory symptoms ... conjunction with symptoms ... important, as early diagnosis ... neuropathy (LHON) plus MRI ... BEE #Syndromes #neurology
CNS Ring-Enhancing Lesions - Immunocompromised vs Immunocompetent
Multiple Ring-Enhancing Lesions:
 • Toxoplasmosis (CD4 < 100)
 • Other
Chorioretinitis • Diagnosis ... Compatible syndrome + MRI ... multiple lesions Infectious ... #differential #diagnosis ... causes #radiology #neurology
Tolosa-Hunt Syndrome
What?
 • Unilateral orbital/retrobulbar pain
 • Paresis of the cranial nerves Ill, IV, VI
 •
fissure or orbit (MRI ... resolution of the symptoms ... Syndrome #TolosaHunt #neurology ... #diagnosis
Listeriosis Summary - Listeria Monocytogenes
Pathogen: Listeria Monocytogenes - Gram-positive rod, Aerobic, facultative anaerobe, motile, beta-hemolytic, Non-spore-forming
Risk
Diagnosis: ... ) • CSF (CNS Infection ... ) • MRI / CT if ... focal symptoms ... Monocytogenes #diagnosis
Listeriosis Summary - Listeria Monocytogenes
Pathogen: Listeria Monocytogenes - Gram-positive rod, Aerobic, facultative anaerobe, motile, beta-hemolytic, Non-spore-forming
Risk
Diagnosis: ... ) • CSF (CNS Infection ... ) • MRI / CT if ... focal symptoms ... Monocytogenes #diagnosis
CNS Infections - Viral Encephalitis and Bacterial Meningitis - Differential Diagnosis Framework

Viral Encephalitis:
MCC: Enteroviruses (e.g., coxsackievirus
CNS Infections - ... Coltivirus Symptoms ... 10 weeks after erythema ... - History of erythema ... influenzae Symptoms
Differentiating NBTE from Infective Endocarditis
No pathognomonic signs/symptoms or echo features that are specific to NBTE, and
pathognomonic signs/symptoms ... is required for diagnosis ... heart valves • MRI ... often seen • MRI ... large infarct - Infectious