8 results
CNS Infection in HIV / AIDS - Differential Diagnosis Framework

Principles of HIV-Associated CNS Opportunistic Infections:
 •
lesions < 4cm + mass ... enhancement on CT ... Demyelinating disease caused ... periventricular areas ... diameter - +mass
Anisocoria - Pupillary Defects - Differential Diagnosis Algorithm

Physiological - Simple Anisocoria ( <O.5mm)
 - Anisocoria equal
Differential Diagnosis Algorithm ... Fascicle (Other CN ... • Tumor (Lung, Breast ... Differential #Diagnosis #Algorithm ... #Causes #Ophthalmology
Diplopia - Double Vision - Differential Diagnosis Algorithm
Clinical Pearls:
 • Diplopia is almost always binocular.
 •
Differential Diagnosis Algorithm ... symptoms suggest a mass ... as the cause ... Cranial Nerve IV ... #Causes #Ophthalmology
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
Acute Liver Injury - Differential Diagnosis Algorithm

Vascular Causes of Acute Liver Injury: 
 • Hepatic vein:
Differential Diagnosis Algorithm ... Vascular Causes ... Infiltration: Often breast ... function may be abnormal ... differential #diagnosis #algorithm
Causes of Petechial Rash - Differential Diagnosis Algorithm

Pinpoint areas (less than 2 mm) of hemorrhage, which
Causes of Petechial ... Differential Diagnosis Algorithm ... Pinpoint areas ... deficiency - Abnormal ... ITP - APLS - HIT
Common Variable Immunodeficiency (CVID)

What?
CVID: Immunodeficiency disorder with hypogammaglobulinemia -> increased infection risk secondary to impaired B-cell
- gastric and breast ... Chest CT: • Ground-glass ... levels are within normal ... DDX - Other causes ... Epstein-Barr syndrome, HIV
Lung Infections in HIV - Differential Diagnosis Framework

Disease by CD4 Count:
Any CD4 Count:
 • Mycobacterium tuberculosis,
CT: Halo sign ... Lung Exam: Can be normal ... , Shortness of breath ... Lymphadenopathy, CNS ... factor • May cause