11 results
Causes of Knee Effusions - Differential Diagnosis Framework

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

Bone/Joint Causes of Leg Pain:
 • Fracture
 • Arthritis
 • Gout/pseudogout
Diagnosis Framework ... Epidural abscess - Herpes ... zoster - HIV ... lower #extremity #msk ... #physicalexam
Approach to Joint Pain - Arthritis Differential Diagnosis Framework

Inflammatory Versus Noninflammatory Pain
 • Is it inflammatory
Arthritis Differential Diagnosis ... suggested by warmth, effusion ... Parvovirus B19 • HIV ... #Differential #Diagnosis ... #MSK #rheumatology
Vasculitis and Vasculitides - Differential Diagnosis Framework

When to Consider Vasculitis:
 • Purpura, ischemic skin lesions
 •
- Differential Diagnosis ... to exclude are infections ... , testes -> pain ... Cryoglobulins • HIV ... • HBV HCV
Approach to Joint Pain - Diagnostic Framework

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

1) Chronicity:
Approach to Joint Pain ... - Diagnostic Framework ... - parvovirus, HIV ... , hepatitis, herpes ... #Joint #Pain #MSK
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
Lung Infections in HIV - Differential Diagnosis Framework

Disease by CD4 Count:
Any CD4 Count:
 • Mycobacterium tuberculosis,
in HIV - Differential ... macrophages in HIV ... low if you have HIV ... nodules possible in HIV ... #HIV #AIDS #pulmonary
Transverse Myelitis Overview

Focal inflammatory disorder of the spinal cord resulting in rapid onset of weakness, sensory
or without back pain ... bouts of HTN Diagnostic ... : - Herpes zoster ... Nile virus - Herpes ... simplex virus, HIV
Vasculitis - Differential Diagnosis Framework

When to Consider Vasculitis:
• Purpura, ischemic skin lesions
• Mononeuritis multiplex
• Hematuria, proteinuria,
- Differential Diagnosis ... to exclude are infections ... muscle weakness • Nerves ... tract: Abdominal pain ... HTN • Check: HBV