116 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
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
Eosinophils (Eos) and hypereosinophilia (HE)
Caused by eosinophilopoietic cytokines
Common causes:
 - Drug reaction
 - Helminth infection
 -
reaction - Helminth infection ... aspergillosis - Viral infections ... HIV, HTLVI) - Chronic ... 3, DOCK8) - Chronic ... hypereosinophilia #HE #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
Faget Sign - Pulse-Temperature Dissociation
Causes of Relative Bradycardia
 • Infectious Causes: Legionella, Psittacosis, Q fever, Typhoid
Dissociation Causes ... Bradycardia • Infectious ... Babesiosis, Malaria, Leptospirosis ... fever • Non-Infectious ... #bradycardia #differential
Non-Resolving Pneumonias: Etiologies
Unusual Infections:
 - Immunocompromised patients (e.g.: Mycobacterium, Aspergillosis, Nocardia)
 - Endemic Fungi (e.g.: Histoplasmosis,
Etiologies Unusual Infections ... psittaci/avian, leptospirosis ... ) - Returning travelers ... PNA (acute or chronic ... diagnosis #pulmonary #differential
Causes of Encephalopathy - Differential Diagnosis Algorithm
Hyperacute:
 - Primary Neurologic: Vascular (IS, ICH), Seizure, Migraine, Trauma
Causes of Encephalopathy ... - Differential ... - Systemic: Chronic ... Autoimmune, OSA Chronic ... Encephalopathy #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 ... #bradycardia #Causes ... #differential #
Thrombocytosis - Differential Diagnosis
Platelet Count > 450
Reactive:
 • Anemia/blood loss (Fe deficiency)
 • Infection/Sepsis
 • Non-infectious
Thrombocytosis - Differential ... deficiency) • Infection ... Sepsis • Non-infectious ... Myelofibrosis • Chronic ... #Diagnosis #causes