42 results
Travel History - Clues to Infectious Disease Diagnosis in a Traveler 
 • Where did you
Travel History - ... Clues to Infectious ... Disease Diagnosis ... → Leptospirosis ... #differential #Diagnosis
Fever in the Returning Traveler - History
Exposure History:
 • Street foods / Local water: entenc fever,
the Returning Traveler ... entenc fever, travellers ... schistosomiasis, leptospirosis ... days: malaria, travellers ... #History #diagnosis
Fever in Returning Travelers from Tropical Regions - Frequent Differential Diagnoses
Medical History:
 • Skin exposure to
Fever in Returning Travelers ... Frequent Differential Diagnoses ... Fever #Returning #Traveler ... #differential #diagnosis ... #tropical #travel
Faget Sign - Pulse-Temperature Dissociation
Causes of Relative Bradycardia
 • Infectious Causes: Legionella, Psittacosis, Q fever, Typhoid
Dissociation Causes ... • Infectious Causes ... Babesiosis, Malaria, Leptospirosis ... #differential #diagnosis ... #causes
Faget's Sign & Liebermeister's Rule
Pulse-Temperature Dissociation
EVERY 1 F RISE IN TEMPERATURE -> HR INCREASES 8-10 BPM
INFECTIOUS
BPM INFECTIOUS CAUSES ... • Malaria • Leptospirosis ... • Fever OTHER CAUSES ... #Dissociation #diagnosis ... #differential #causes
Leptospirosis
Pathogen: Leptospira (interrogans, kirschneri, noguchii)
Risk Factors:
 • Occupational exposure - Farmers, ranchers, trappers, veterinarians
 • Recreational
Leptospirosis Pathogen ... non-productive cough, nausea ... disease ARDS Diagnosis ... TheIDtrivia #Leptospirosis ... #microbiology #diagnosis
Causes of Relative Bradycardia - Note the propensity for intracellular organisms.
Infectious: 
Legionella, Psittacosis, Q fever, Typhoid
Causes of Relative ... Babesiosis, Malaria, Leptospirosis ... #bradycardia #Causes ... #differential #diagnosis
Non-Resolving Pneumonias: Etiologies
Unusual Infections:
 - Immunocompromised patients (e.g.: Mycobacterium, Aspergillosis, Nocardia)
 - Endemic Fungi (e.g.: Histoplasmosis,
psittaci/avian, leptospirosis ... ) - Returning travelers ... NonResolving #Pneumonia #diagnosis
Hypereosinophilia Different Diagnosis and Workup
Secondary causes are broad so start with a med review, the most
Hypereosinophilia Different Diagnosis ... Workup Secondary causes ... the most common cause ... remember that travel ... Hypereosinophilia #Different #Diagnosis
Differential Diagnosis for Generalized Lymphadenopathy

Viral
• HIV 
• EBV 
• CMV 
• HBV 
• Dengue 
• Rubella
Differential Diagnosis ... Syphilis • Lyme • Leptospirosis ... #Differential #Diagnosis ... #Causes #Algorithm