14 results
Fever in Returning Travelers from Tropical Regions - Frequent Differential Diagnoses
Medical History:
 • Skin exposure to
Sexual contacts - HIV ... Hypodermic needles - HIV ... , HIV infection, ... , acute HIV infection ... HIV infection
Causes of Knee Effusions - Differential Diagnosis Framework

Knee Effusion Red Flags:
1. Fever/Chills/Joint pain/Night sweats/Weight loss
	- DDX:
		-
Fever/Chills/Joint ... Brucellosis - Viruses: HIV ... Chikungunya - Herpes ... virus: CMV, HSV ... diagnosis #msk #physicalexam
Microbial Etiology of Acute Pharyngitis - IDSA
Bacterial
 • Group A streptococcus - Pharyngotonsillitis, scarlet fever
 •
necrophorum - Lemierre’s syndrome ... • Herpes simplex ... mononucleosis • HIV ... Primary acute HIV ... IDSA #diagnosis #differential
Causes of Acute Onset Fever - Differential Diagnosis Algorithm
Viral:
 • Rhinovirus
 • Influenza Virus
 • Parainfluenza
- Differential ... Coronavirus • HIV ... Meningitis • Skin ... Neuroleptic malignant syndrome ... #Differential #
AIDS-defining illnesses
 - Candidiasis of the esophagus, bronchi, trachea, or lungs [(but NOT the mouth (thrush)]
Encephalopathy, HIV ... related - Herpes ... brain - Wasting syndrome ... due to HIV #AIDS ... Defining #Illnesses #HIV
Leg Pain - Differential Diagnosis Framework

Bone/Joint Causes of Leg Pain:
 • Fracture
 • Arthritis
 • Gout/pseudogout
Leg Pain - Differential ... Epidural abscess - Herpes ... zoster - HIV ... pain/swelling - Fever ... extremity #msk #physicalexam
Purpura - Differential Diagnosis Framework

Non-blanchable, dark red to purple, hemorrhagic skin lesions that result from leakage
Purpura - Differential ... purple, hemorrhagic skin ... Kasabach-Merritt syndrome ... • HCV, HBV Not ... mountain spotted fever
Lung Infections in HIV - Differential Diagnosis Framework

Disease by CD4 Count:
Any CD4 Count:
 • Mycobacterium tuberculosis,
Infections in HIV ... macrophages in HIV ... low if you have HIV ... nodules possible in HIV ... Lung #Infections #HIV
Vasculitis and Vasculitides - Differential Diagnosis Framework

When to Consider Vasculitis:
 • Purpura, ischemic skin lesions
 •
Vasculitides - Differential ... Coronary arteries - Fever ... Vasculitis: • Fevers ... Cryoglobulins • HIV ... • HBV HCV
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