65 results
Faget Sign - Pulse-Temperature Dissociation
Causes of Relative Bradycardia
 • Infectious Causes: Legionella, Psittacosis, Q fever, Typhoid
Dissociation Causes ... • Infectious Causes ... Babesiosis, Malaria, Leptospirosis ... #differential #diagnosis ... #causes
Causes of Relative Bradycardia - Note the propensity for intracellular organisms.
Infectious: 
Legionella, Psittacosis, Q fever, Typhoid
Causes of Relative ... , Typhoid fever, ... Babesiosis, Malaria, Leptospirosis ... #bradycardia #Causes ... #differential #diagnosis
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 ... OTHER CAUSES ... #Dissociation #diagnosis ... #differential #causes
Causes of Erythema Nodosum - Mnemonic

NO cause found in 60% of cases
Drugs (antibiotics e.g., sulfonamides, amoxicillin)
Oral
Causes of Erythema ... Mnemonic NO cause ... Crohns, Bechet's Micro ... #Differential #Diagnosis ... #Dermatology #SkinRash
Eosinophilic meningitis
#eosinophilicmeningitis #eosmeningitis #angiostrongylus #baylisascaris #gnathostoma #raccoon #snail

By Dr. Sara Dong @swinndong via Febrile [febrilepodcast.com
#Infections #Microbiology ... #Micro #Differential ... #Ddx #Diagnosis ... eosinophilia #eosinophil #fever
#tachenoir #eschar #fever #Rash #rickettsia #rickettsial #parkeri #akari #africae #conorii #orientia #tsutsugamushi #tick #mite 
By Dr.
tachenoir #eschar #fever ... #Infections #Microbiology ... #Micro #Differential ... #Ddx #Diagnosis
Blood culture contaminants
Grouped by gram negative vs gram positive vs other as well as never/maybe/probably
Some additional
other as well as never ... #Infections #Microbiology ... #Micro #Differential ... #Ddx #Diagnosis
Leptospirosis
Pathogen: Leptospira (interrogans, kirschneri, noguchii)
Risk Factors:
 • Occupational exposure - Farmers, ranchers, trappers, veterinarians
 • Recreational
Leptospirosis Pathogen ... non-productive cough, nausea ... disease ARDS Diagnosis ... #Leptospira #microbiology ... #diagnosis #treatment
Fever Patterns - Differential Diagnosis Framework

Continuous Fever:
Temp > 38°C with only 1 degree fluctuation in 24
Differential Diagnosis ... Non-Infectious Causes ... • Leptospirosis ... • Malaria • Leptospirosis ... #Differential #Diagnosis
Causes of Fever of Unknown Origin (FUO) - Differential Diagnosis
 • Infection: Extrapulmonary tuberculosis, Abscess, Endocarditis,
Causes of Fever ... - Differential Diagnosis ... Malignancy: - Hematologic ... #Differential #Diagnosis ... #causes