31 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
Rodent-associated Bacterial infections: Leptospirosis, Rat-bite fever, Tularemia, Plague 

#rodent
#infections
#leptospirosis
#tularemia
#ratbitefever
#plague
#rats
#infectiousdisease
#fever
#differential
#diagnosis
#management
#treatment
#table
, Rat-bite fever ... infectiousdisease #fever ... #differential ... #diagnosis #management ... #treatment #table
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 ... #Leptospira #microbiology ... #diagnosis #treatment ... #management
Hantavirus
Pathogen: Hantavirus - Rodents are the primary reservoir
Transmission:
 • Shed in the urine, feces, saliva of
barns and lake houses ... • Prodrome: fever ... • Autopsy PCR Treatment ... Hantavirus #diagnosis #management ... #treatment #microbiology
Streptocccus Pneumoniae
Microbiology: Gram Positive, Alpha-hemolytic, Catalase Negative
Epidemiology - 10% adult carriers:
 • Most common cause of:
Streptocccus Pneumoniae Microbiology ... • Most common cause ... media • Important cause ... Specificity of 97%) Treatment ... #diagnosis #management
Tularemia - Diagnosis and Management Summary
Francisella tularensis - Aerobic fastidious gram-negative Coccobacillus - Zoonotic Infection
 •
Diagnosis and Management ... fastidious gram-negative ... Ulceroglandular: Fever ... Culture & GS, PCR Treatment ... #microbiology
Adult Onset Still's Disease
Systemic inflammation with urticarial rash.
Rash: 
 • Nonpruritic, evanescent (correlates with time of
Leukocytosis (10,000/microL ... dysfunction, and negative ... Treatment - Mild ... : NSAIDS Treatment ... #rheumatology #management