15 results
Travel History - Clues to Infectious Disease Diagnosis in a Traveler 
 • Where did you
Murine typhus, plaque ... , Hepatitis C, HIV ... , Hepatitis C, HIV ... new partner → HSV ... , HIV, Hepatitis
Fever in Returning Travelers from Tropical Regions - Frequent Differential Diagnoses
Medical History:
 • Skin exposure to
Sexual contacts - HIV ... Hypodermic needles - HIV ... Dengue fever, HIV ... relapsing fever, acute HIV ... Lassa fever, acute HIV
Microbial Etiology of Acute Pharyngitis - IDSA
Bacterial
 • Group A streptococcus - Pharyngotonsillitis, scarlet fever
 •
Yersinia pestis - Plague ... mononucleosis • HIV ... Primary acute HIV ... IDSA #diagnosis #differential ... #causes #bacteria
Lichen Planus- ...On examination, numerous purple papules were noted on the anterior surface of the forearms
association with HCV ... association between HCV ... #NEJM #clinical ... #photo #lichen # ... planus #derm #wickhams
Causes of Knee Effusions - Differential Diagnosis Framework

Knee Effusion Red Flags:
1. Fever/Chills/Joint pain/Night sweats/Weight loss
	- DDX:
		-
- 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 ... Epidural abscess - Herpes ... zoster - HIV ... #Leg #pain #differential ... extremity #msk #physicalexam
Types of Renal Calculi

Calcium oxalate
 - Interstitial apatite plaque, Low urine volume, Increased urinary calcium excretion,
Interstitial apatite plaque ... treatment for herpes ... virus or HIV/AIDS ... Renal #stones #differential ... #diagnosis #causes
Vasculitis and Vasculitides - Differential Diagnosis Framework

When to Consider Vasculitis:
 • Purpura, ischemic skin lesions
 •
Vasculitides - Differential ... tract, and often causes ... ear disease Differential ... Cryoglobulins • HIV ... • HBV HCV
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
Erythemas Summarized
Erythema ab igne
 • A dermatosis that results from repeated exposure to heat (fires, heating
centrifugum • A chronic skin ... variant of lichen planus ... gyratum repens • A skin ... include: infections (HSV ... comparison #table #differential