19 results
Fever in Returning Travelers from Tropical Regions - Frequent Differential Diagnoses
Medical History:
 • Skin exposure to
Travelers from ... , leptospirosis ... , leptospirosis, ... #Returning #Traveler ... diagnosis #tropical #travel
Travel History - Clues to Infectious Disease Diagnosis in a Traveler 
 • Where did you
Clues to Infectious ... → Leptospirosis ... Rabies, cat scratch fever ... Herpesvirus B infection ... InfectiousDiseases #Infections
Faget Sign - Pulse-Temperature Dissociation
Causes of Relative Bradycardia
 • Infectious Causes: Legionella, Psittacosis, Q fever, Typhoid
Dissociation Causes ... Bradycardia • Infectious ... Causes: Legionella ... Babesiosis, Malaria, Leptospirosis ... • Non-Infectious
Fever in the Returning Traveler - History
Exposure History:
 • Street foods / Local water: entenc fever,
Traveler - History ... , travellers' diarrhea ... tattoos, piercings, injections ... schistosomiasis, leptospirosis ... #Returning #Traveler
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 ... #bradycardia #Causes
Faget's Sign & Liebermeister's Rule
Pulse-Temperature Dissociation
EVERY 1 F RISE IN TEMPERATURE -> HR INCREASES 8-10 BPM
INFECTIOUS
INCREASES 8-10 BPM INFECTIOUS ... • Malaria • Leptospirosis ... OTHER CAUSES ... the most likely infection ... #differential #causes
Fever Patterns - Differential Diagnosis Framework

Continuous Fever:
Temp > 38°C with only 1 degree fluctuation in 24
and bacterial infections ... Pyogenic/focal infection ... Causes: • Still's ... • Leptospirosis ... • Malaria • Leptospirosis
Fever After International Travel

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

Viral Syndromes:
Arboviral infections, a
Travel Infectious ... , a common cause ... international travel ... : • Leptospirosis ... African tick typhus (caused
Non-Resolving Pneumonias: Etiologies
Unusual Infections:
 - Immunocompromised patients (e.g.: Mycobacterium, Aspergillosis, Nocardia)
 - Endemic Fungi (e.g.: Histoplasmosis,
Etiologies Unusual Infections ... psittaci/avian, leptospirosis ... yersinia/rats, Q fever ... ) - Returning travelers
Bradycardia - Differential Diagnosis Framework

BRADI Mnemonic
 • BRASH/Hyperkalemia
 • Reduced oxygen/Glucose/Temp
 • ACS
 • Drugs
 •
Drugs • ICP / Infections ... Cimetidine Infections ... Babesiosis • Leptospirosis ... Spondylarthropathies Other causes ... differential #diagnosis #causes