14 results
Fever in Returning Travelers from Tropical Regions - Frequent Differential Diagnoses
Medical History:
 • Skin exposure to
Sexual contacts - HIV ... , herpes, hepatitis ... Hypodermic needles - HIV ... Dengue fever, HIV ... Lassa fever, acute HIV
Adult-Onset Still's Disease
Clinical triad: Fever, Arthralgia/arthritis, Skin rash ± odynophagia
+ Biological inflammation: Increased neutrophils, Hyperferritinemia, decreased
Arthralgia/arthritis, Skin ... fraction < 20% Differential ... Diaqnoses: • Infectious ... borrelia, Rubeola, HBV ... Coxsackie, CMV, EBV, HIV
HSV Infection: Cluster of vesicles overlying skin at medial margin of eye. The upper lid is
HSV Infection: Cluster ... vesicles overlying skin ... Ophthalmology #HSV ... #Herpes #Vesicles ... #Ocular #Photo
Purpura - Differential Diagnosis Framework

Non-blanchable, dark red to purple, hemorrhagic skin lesions that result from leakage
Purpura - Differential ... purple, hemorrhagic skin ... SLE) - Viral infections ... • HCV, HBV Not ... #rheumatology #
Causes of Knee Effusions - Differential Diagnosis Framework

Knee Effusion Red Flags:
1. Fever/Chills/Joint pain/Night sweats/Weight loss
	- DDX:
		-
Knee Effusions - Differential ... Brucellosis - Viruses: HIV ... Chikungunya - Herpes ... virus: CMV, HSV ... diagnosis #msk #physicalexam
Leg Pain - Differential Diagnosis Framework

Bone/Joint Causes of Leg Pain:
 • Fracture
 • Arthritis
 • Gout/pseudogout
Leg Pain - Differential ... Leg Pain: • Infection ... Epidural abscess - Herpes ... zoster - HIV ... extremity #msk #physicalexam
Vasculitis and Vasculitides - Differential Diagnosis Framework

When to Consider Vasculitis:
 • Purpura, ischemic skin lesions
 •
Vasculitides - Differential ... to exclude are infections ... Cryoglobulins • HIV ... • HBV HCV • ... #diagnosis #rheumatology
Immune Reconstitution Inflammatory Syndrome - Overview of IRIS

What Is IRIS?
	• A state of hyperinflammatory response that
of treatment of HIV ... • 10-20% of HIV-infected ... a decrease in HIV ... pancreatitis • HBV ... , HCV - Hepatic
Approach to Joint Pain - Diagnostic Framework

1) Chronicity
2) Inflammatory vs Non-Inflammatory
3) Number of Joints Involved

1) Chronicity:
about bacterial infections ... - parvovirus, HIV ... , hepatitis, herpes ... Joint #Pain #MSK #rheumatology ... approach #workup #differential
Reactive or "Atypical" Lymphocytosis
Infection
 • Viral: EBV, CMV, HIV, Herpes viruses, Influenza, Varicella, HTLV-I
 • Bacterial:
Lymphocytosis Infection ... Viral: EBV, CMV, HIV ... , Herpes viruses ... Lymphocytosis #differential ... #diagnosis #hematology