65 results
Travel History - Clues to Infectious Disease Diagnosis in a Traveler 
 • Where did you
Travel History - ... Clues to Infectious ... → Leptospirosis ... Herpesvirus B infection ... InfectiousDiseases #Infections
Faget Sign - Pulse-Temperature Dissociation
Causes of Relative Bradycardia
 • Infectious Causes: Legionella, Psittacosis, Q fever, Typhoid
of Relative Bradycardia ... • Infectious ... Babesiosis, Malaria, Leptospirosis ... fever • Non-Infectious ... Dissociation #relative #bradycardia
Causes of Relative Bradycardia - Note the propensity for intracellular organisms.
Infectious: 
Legionella, Psittacosis, Q fever, Typhoid
Causes of Relative ... Bradycardia - Note ... Infectious: Legionella ... Babesiosis, Malaria, Leptospirosis ... #Causes #differential
Fever in Returning Travelers from Tropical Regions - Frequent Differential Diagnoses
Medical History:
 • Skin exposure to
Fever in Returning Travelers ... Schistosomiasis, leptospirosis ... , leptospirosis ... Fever #Returning #Traveler ... diagnosis #tropical #travel
Fever in the Returning Traveler - History
Exposure History:
 • Street foods / Local water: entenc fever,
the Returning Traveler ... entenc fever, travellers ... tattoos, piercings, injections ... schistosomiasis, leptospirosis ... days: malaria, travellers
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
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 ... CAUSES • Legionella ... • Malaria • Leptospirosis ... • Fever OTHER CAUSES ... the most likely infection
IDSA Recommendations for Preventing and Treating Bacterial Enteric Infections in HIV-AIDS
Preventing Bacterial Enteric Illness:
 • Antimicrobial
Bacterial Enteric Infections ... • In rare cases ... the region of travel ... Clostridium difficile Infection ... opportunistic #infections
Fever Patterns - Differential Diagnosis Framework

Continuous Fever:
Temp > 38°C with only 1 degree fluctuation in 24
and bacterial infections ... Causes: • Still's ... Dengue fever • Leptospirosis ... with Relative Bradycardia ... • Malaria • Leptospirosis
Non-Resolving Pneumonias: Etiologies
Unusual Infections:
 - Immunocompromised patients (e.g.: Mycobacterium, Aspergillosis, Nocardia)
 - Endemic Fungi (e.g.: Histoplasmosis,
Etiologies Unusual Infections ... psittaci/avian, leptospirosis ... ) - Returning travelers