42 results
Brudzinski's sign is a physically demonstrable symptom of meningitis. It is characterized by reflexive flexion of
Brudzinski's sign ... physically demonstrable symptom ... the knees and hips ... following passive neck ... clinical #video #neurology
Diagnostic Algorithm for Dizziness and Vertigo
Peripheral Vertigo:
 • Attacks: Sudden, severe, can last anywhere from seconds
Diagnostic Algorithm ... No auditory symptoms ... test Méniére's disease ... Long symptom-free ... #neurology
Causes of Dizziness - Vertigo - Differential Diagnosis Algorithm
True Vertigo - Illusion of Rotary Movement
Peripheral Vestibular
- Differential Diagnosis ... • Meniere's Disease ... symptoms/signs, ... nystagmus - Infection ... Dizziness #Vertigo #Neurology
CNS Ring-Enhancing Lesions - Immunocompromised vs Immunocompetent
Multiple Ring-Enhancing Lesions:
 • Toxoplasmosis (CD4 < 100)
 • Other
Chorioretinitis • Diagnosis ... multiple lesions Infectious ... #differential #diagnosis ... #causes #radiology ... #neurology
Causes of Peripheral and Central Vertigo
PERIPHERAL VERTIGO
1. Benign paroxysmal positional vertigo (BPPV) - Short-lived (typically less
history of viral infection ... Can occur with neck ... signs or symptoms ... #differential #diagnosis ... #neurology
CNS Infection in HIV / AIDS - Differential Diagnosis Framework

Principles of HIV-Associated CNS Opportunistic Infections:
 •
- Differential Diagnosis ... Fever, headache, neck ... Demyelinating disease ... and <25% culture positive ... InfectiousDiseases #Neurology
Romberg's Test for Proprioception
History: First described in the 19th century in patients with tabes dorsalis (later
syphilis) Meaning: Positive ... test (Romberg's sign ... • Cerebellar disease ... Rombergs #Test #neurology ... #diagnosis #proprioception
CNS Ring-Enhancing Lesions - Differential Diagnosis
 • Infections: Cerebral abscess (bacterial, fungal, parasitic), Neurocysticercosis, Tuberculoma, Cerebral
- Differential Diagnosis ... • Infections: ... Demyelinating Disease ... #Differential #Diagnosis ... #neurology #radiology
Cytomegalovirus (CMV) in HIV-AIDS Patients
Cytomegalovirus (CMV): double-stranded DNA virus, herpesvirus family.
CMV infection: virus isolation or detection
CMV infection: virus ... or signs. ... inclusions or positive ... 50 or less: • Neurologic ... #symptoms
Pulmonary Renal Syndrome

Definition: Diffuse alveolar hemorrhage + Glomerulonephritis
Presentation (Pulmonary and renal manifestations can occur weeks apart):
Differential Diagnosis ... : - ANCA-positive ... allopurinol), Infection ... DAH, rule out infection ... #nephrology