113 results
Travel History - Clues to Infectious Disease Diagnosis in a Traveler 
 • Where did you
Clues to Infectious ... → Leptospirosis ... Herpesvirus B infection ... InfectiousDiseases #Infections ... #differential #
Fever in Returning Travelers from Tropical Regions - Frequent Differential Diagnoses
Medical History:
 • Skin exposure to
Fever in Returning Travelers ... Regions - Frequent Differential ... Fever #Returning #Traveler ... #differential # ... diagnosis #tropical #travel
Faget Sign - Pulse-Temperature Dissociation
Causes of Relative Bradycardia
 • Infectious Causes: Legionella, Psittacosis, Q fever, Typhoid
Bradycardia • Infectious ... Babesiosis, Malaria, Leptospirosis ... fever • Non-Infectious ... , CNS lesions, Lymphomas ... #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 ... : ß-blockers, CNS ... #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 ... Beta Blockers • CNS ... the most likely infection ... help hone your differential
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 ... History #diagnosis #differential
CNS Ring-Enhancing Lesions - Immunocompromised vs Immunocompetent
Multiple Ring-Enhancing Lesions:
 • Toxoplasmosis (CD4 < 100)
 • Other
splenomegaly Other infections ... multiple lesions Infectious ... Lesions #Brain #differential ... #diagnosis #causes ... #radiology #neurology
CNS Ring-Enhancing Lesions - Differential Diagnosis Framework

Ring Completeness
 • Incomplete: Demyelinating Disease
 • Complete (MAGIC):
CNS Ring-Enhancing ... Lesions - Differential ... Glioblastoma - Infection ... valeroldan23 #CNS ... #Diagnosis #neurology
Localizing Extraocular Movement Disorders
 • CN Ill (Oculomotor) Nerve Palsy 
 • CN IV (Trochlear) Nerve
Nerve Palsy • CN ... Nerve palsy • CN ... Skew Deviation Casey ... #Localization #ophthalmology ... #neurology #differential
CNS Ring-Enhancing Lesions - Differential Diagnosis
 • Infections: Cerebral abscess (bacterial, fungal, parasitic), Neurocysticercosis, Tuberculoma, Cerebral
CNS Ring-Enhancing ... Lesions - Differential ... Diagnosis • Infections ... Enhancing #Lesions #Differential ... #Diagnosis #neurology