7 results
Anisocoria - Pupillary Defects - Differential Diagnosis Algorithm

Physiological - Simple Anisocoria ( <O.5mm)
 - Anisocoria equal
Anisocoria - Pupillary Defects ... Differential Diagnosis Algorithm ... Fascicle (Other CN ... • Tumor (Lung, Breast ... #Causes #Ophthalmology
Management of SIADH
Treat underlying cause:
 • Causes can include pain, primary lung pathology, post-operative phenomenon, medications,
volume overload Urea ... into ammonium by urease-producing ... the colon 0.9% Normal ... bolus of 0.9% NS ... Has many side effects
CNS Infection in HIV / AIDS - Differential Diagnosis Framework

Principles of HIV-Associated CNS Opportunistic Infections:
 •
lesions < 4cm + mass ... enhancement on CT ... Demyelinating disease caused ... Symptoms: AMS, motor deficits ... periventricular areas
Anterior ischemic optic neuropathy (AION) - Recognition of giant cell arteritis (GCA)

1) Is visual loss caused
field: altitudinal defect ... halo sign PET/CT ... efficacy of GCs Abnormal ... #Rheumatology #Ophthalmology ... #Diagnosis #Algorithm
Guillain–Barré syndrome (GBS)
(aka: Landry–Guillain–Barré–Strohl syndrome:
	Most common cause of acute flaccid paralysis
	Rapidly progressive ascending paralysis & areflexia
	Autonomic
 Most common cause ... lower to upper areas ... Multiple Sclerosis: CNS ... Pain, weakness, abnormal ... level, MRI shows mass
Common Variable Immunodeficiency (CVID)

What?
CVID: Immunodeficiency disorder with hypogammaglobulinemia -> increased infection risk secondary to impaired B-cell
Affects 1:25,000 ... - gastric and breast ... Chest CT: • Ground-glass ... levels are within normal ... DDX - Other causes
Langerhans Cell Histiocytosis (LCH)

Granulomatous Lesions comprising langerin-positive histiocytes and an inflammatory infiltrate can arise in virtually
Affects both ... SPECTRUM Common areas ... CNS involvement: ... Imaging: X-rays, CT ... PET-CT / MRI: Staging