119 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 ... relapsing fever, acute ... , Lassa fever, acute ... #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
Causes of Acute Onset Fever - Differential Diagnosis Algorithm
Viral:
 • Rhinovirus
 • Influenza Virus
 • Parainfluenza
Causes of Acute ... Onset Fever - Differential ... Septic Shock Acute ... #Differential # ... Diagnosis #Algorithm #causes
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
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
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 ... Eosinophilic PNA (acute ... diagnosis #pulmonary #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 #
Causes of Encephalopathy - Differential Diagnosis Algorithm
Hyperacute:
 - Primary Neurologic: Vascular (IS, ICH), Seizure, Migraine, Trauma
Causes of Encephalopathy ... - Differential ... encephalopathy Acute ... Inflammatory (Acute ... Encephalopathy #Differential
Lymphadenopathy - Differential Diagnosis Algorithm
Localized: 
 • Cervical: EBV, CMV, HIV, Toxo, TB, Lymphoma, Head /
Lymphadenopathy - Differential ... , Sjögren's • Infection ... : Acute HIV, EBV ... Lymphadenopathy #Differential ... Diagnosis #Algorithm #Causes