18 results
Fever in Returning Travelers from Tropical Regions - Frequent Differential Diagnoses
Medical History:
 • Skin exposure to
Travelers from ... Medical History: • Skin ... • Skin ulcers ... Rickettsioses, bacterial skin ... #Returning #Traveler
Travel History - Clues to Infectious Disease Diagnosis in a Traveler 
 • Where did you
Clues to Infectious ... → Leptospirosis ... Schistosomiasis • Skin ... Rabies, cat scratch fever ... Herpesvirus B infection
Causes of Relative Bradycardia - Note the propensity for intracellular organisms.
Infectious: 
Legionella, Psittacosis, Q fever, Typhoid
Causes of Relative ... Infectious: Legionella ... Babesiosis, Malaria, Leptospirosis ... , Non-infectious ... infectiousdiseases #table
Fever After International Travel

Infectious Disease:
• Endemic in either the destination or home region

Viral Syndromes:
Arboviral infections, a
Travel Infectious ... , a common cause ... : • Leptospirosis ... African tick typhus (caused ... Life-Threatening Causes
Erythemas Summarized
Erythema ab igne
 • A dermatosis that results from repeated exposure to heat (fires, heating
centrifugum • A chronic skin ... or Haverhill fever ... gyratum repens • A skin ... induratum • A chronic skin ... Erythemas #comparison #table
Vibrio Vulnificus skin infection
Cirrhosis w/recent consumption of raw oysters w/rapidly evolving rash. 
Vibrio vulnificus part of
Vibrio Vulnificus skin ... infection Cirrhosis ... Rapid onset of fever ... Vibrio #Vulnificus #skin ... legs #clinical #photo
Approach to Eosinophilic Lung Diseases
 • Acute Eosinophilic Pneumonia (< 1 wk) - ~30yo, M; Recent
brown sputum, fever ... loss; CV, CNS, skin ... • Infectious ( ... Fungal, parasites; Travel ... diagnosis #comparison #table
Leg Pain - Differential Diagnosis Framework

Bone/Joint Causes of Leg Pain:
 • Fracture
 • Arthritis
 • Gout/pseudogout
thrombophlebitis Skin ... : • Infection: ... entrapment • Infections ... pain/swelling - Fever ... extremity #msk #physicalexam
Cold Urticaria
Prevalence - 0.05% in the population
Disease onset - Mostly 2nd to 4th decades of life
Causes
decades of life Causes ... Infections 2. ... trigger - Direct skin ... symptoms - Headache, fever ... rheumatology #comparison #table
Acute Purpura Fulminans Skin Rash on Physical Exam 
60 year old male ITP s/p splenectomy 
1d
Purpura Fulminans Skin ... rigors, diarrhea, nausea ... sick contacts, travel ... - BIDMC Infectious ... Rash #clinical #photo