54 results
Faget Sign - Pulse-Temperature Dissociation
Causes of Relative Bradycardia
 • Infectious Causes: Legionella, Psittacosis, Q fever, Typhoid
Dissociation Causes ... Bradycardia • Infectious ... Babesiosis, Malaria, Leptospirosis ... • Non-Infectious ... #bradycardia #differential
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 ... #differential #
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 ... the most likely infection ... help hone your differential ... Dissociation #diagnosis #differential
Fever in Returning Travelers from Tropical Regions - Frequent Differential Diagnoses
Medical History:
 • Skin exposure to
Regions - Frequent Differential ... Diagnoses Medical History ... , leptospirosis ... , leptospirosis, ... Returning #Traveler #differential
Causes of Fever of Unknown Origin (FUO) - Differential Diagnosis Algorithm
Neoplasm:
• NHL
• Hodgkin's lymphoma
• Leukemia
• Solid
Causes of Fever ... Origin (FUO) - Differential ... UnknownOrigin #FUO #Chronic ... #Differential # ... Diagnosis #Algorithm #causes
Fever Patterns - Differential Diagnosis Framework

Continuous Fever:
Temp > 38°C with only 1 degree fluctuation in 24
Differential Diagnosis ... Causes: • Still's ... • Leptospirosis ... • Malaria • Leptospirosis ... #Patterns #Differential
Chronic Cough - Differential Diagnosis Algorithm
Red Flags:
 • Fever, night sweats, chills (infection)
 • Weight loss,
Chronic Cough - ... Red Flags: • Fever ... sweats, chills (infection ... investigation • History ... Diagnosis #Algorithm #causes
Travel History - Clues to Infectious Disease Diagnosis in a Traveler 
 • Where did you
Travel History - ... Clues to Infectious ... → Leptospirosis ... Rabies, cat scratch fever ... #differential #
Fever in the Returning Traveler - History
Exposure History:
 • Street foods / Local water: entenc fever,
Traveler - History ... Exposure History ... tattoos, piercings, injections ... schistosomiasis, leptospirosis ... #diagnosis #differential
Causes of Diffuse Lymphadenopathy - Differential Diagnosis Algorithm
Reactive:
 - Systemic Inflammatory
     •
Causes of Diffuse ... Pseudotumor - Infectious ... - Leukemia - History ... of Bleeding, Infection ... Age > 50 • Chronic