33 results
Travel History - Clues to Infectious Disease Diagnosis in a Traveler 
 • Where did you
Clues to Infectious ... Geographic disease association ... → Leptospirosis ... Herpesvirus B infection ... InfectiousDiseases #Infections
Faget Sign - Pulse-Temperature Dissociation
Causes of Relative Bradycardia
 • Infectious Causes: Legionella, Psittacosis, Q fever, Typhoid
Pulse-Temperature Dissociation ... Bradycardia • Infectious ... Babesiosis, Malaria, Leptospirosis ... fever • Non-Infectious ... #Temperature #Dissociation
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 ... CAUSES • Legionella ... • Malaria • Leptospirosis ... • Fever OTHER CAUSES ... the most likely infection
Differential Diagnosis for Vision Loss
Unilateral, Painful Vision Loss:
 • Corneal abrasion, Acute angle-closure glaucoma, Inflammation-iritis, uveitis,
Loss Unilateral, Painful ... Retro-orbital hematoma, Infection-including ... occlusion, Lens dislocation ... differential #diagnosis #causes ... #ophthalmology
Adie's Pupil
What? Unknown nature & benign
 • Regular and mildly dilated pupil (4-6mm);
 • Light-near dissociaton;
• Light-near dissociaton ... Holmes-Adie Syndrome ... no light-near dissociation ... • Other causes ... PhysicalExam #neurology #ophthalmology
Adie's Pupil on Physical Exam

Adie's pupil is a neurological disorder characterized by a tonically dilated pupil
i.e., light-near dissociation ... It is caused by ... viral or bacterial infection ... clinical #video #ophthalmology ... #neurology #syndrome
Vision Loss - Differential Diagnosis
Chronic: 
  - Cornea: Scarring, Edema
  - Lens: Cataracts
- Unilateral, Painful ... Painless: Lens Dislocation ... - Bilateral, Painful ... Differential #Diagnosis #causes ... #ophthalmology
Fever Patterns - Differential Diagnosis Framework

Continuous Fever:
Temp > 38°C with only 1 degree fluctuation in 24
Causes: • Still's ... • Hyper-IgD syndrome ... Dengue fever • Leptospirosis ... Temperature Pulse Dissociation ... • Malaria • Leptospirosis
Fever After International Travel

Infectious Disease:
• Endemic in either the destination or home region

Viral Syndromes:
Arboviral infections, a
region Viral Syndromes ... ; dengue shock syndrome ... capillary leak syndrome ... : • Leptospirosis ... Life-Threatening Causes
Genital Lesions - Differential Diagnosis Algorithm
Elevated - Vesicles:
 • Herpes simplex
Elevated - Papules / Plaques -
Papules / Plaques - Infectious ... ) • Reiter's syndrome ... Erosions/Ulcers - Painful ... ) • Behcet's syndrome ... Diagnosis #Algorithm #causes