27 results
Faget Sign - Pulse-Temperature Dissociation
Causes of Relative Bradycardia
 • Infectious Causes: Legionella, Psittacosis, Q fever, Typhoid
Dissociation Causes ... of Relative Bradycardia ... Babesiosis, Malaria, Leptospirosis ... #Dissociation #relative ... #bradycardia #differential
Causes of Relative Bradycardia - Note the propensity for intracellular organisms.
Infectious: 
Legionella, Psittacosis, Q fever, Typhoid
Causes of Relative ... , Typhoid fever, ... Babesiosis, Malaria, Leptospirosis ... #relative #bradycardia ... #Causes #differential
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 ... CLINICAL UTILITY ... help hone your differential ... Dissociation #diagnosis #differential
Blood culture contaminants
Grouped by gram negative vs gram positive vs other as well as never/maybe/probably
Some additional
Grouped by gram negative ... other as well as never ... #Infections #Microbiology ... #Micro #Differential
Fever Patterns - Differential Diagnosis Framework

Continuous Fever:
Temp > 38°C with only 1 degree fluctuation in 24
Differential Diagnosis ... Non-Infectious Causes ... • Leptospirosis ... Associated with Relative ... #Patterns #Differential
Leptospirosis
Pathogen: Leptospira (interrogans, kirschneri, noguchii)
Risk Factors:
 • Occupational exposure - Farmers, ranchers, trappers, veterinarians
 • Recreational
Leptospirosis Pathogen ... non-productive cough, nausea ... Epidemiologic exposure + clinical ... #Leptospira #microbiology ... #diagnosis #treatment
Oroya Fever
Hematologic disease caused by Bartonella bacilliformis
Restricted to the Andes highlands of Peru & Ecuador
B. bacilliformis:
disease caused ... bacilliformis: - Gram negative ... Lutzomyia verrucarum Clinical ... toxo reactivation Clinical ... TREATMENT: ​• Acute
Lung Abscess - Diagnosis and Management Summary

Lung Abscess Etiology:
 • Necrosis of lung parenchyma by a
• Most common cause ... Lung Abscess - Clinical ... : • 80% have fever ... Intervention: - Fevers ... #causes #management
Peri-operative Hyperthermia - Guidelines for Crises in Anaesthesia
If prolonged or ≥ 39 C this is a
39 C this is a clinical ... Treatment depends ... Actively maintained fever ... CAUSES OF HYPERTHERMIA ... #Hyperthermia #Differential
CAPD-associated peritonitis (Continuous Ambulatory Peritoneal Dialysis) - 5 Things To Know
Diagnosis (Two of the following):
(1) Clinical
following): (1) Clinical ... culture Note that fever ... Microbiology: • ... • 15-35% Gram negative ... diverticulitis) Treatment