2020 results
ID Approach to Fever and Rash - Diagnostic Algorithm
Central Maculopapular (most common):
Measles, Parvovirus 819 / EBV,
ID Approach to Fever ... Desquamative: Scarlet fever ... (Strep/Staph), SJS ... or Pustular: SJS ... Viral hemorrhagic fevers
Fever and Rash - Differential Diagnosis Framework
 • Viral: Measles, Infectious Mono (EBV, CMV), Acute HIV,
Fever and Rash - ... Noninfectious: SJS ... Medicine @SCVMCMed #Fever
Stevens-Johnson syndrome (SJS), Toxic epidermal necrolysis (TEN) and Overlap

 SJS-TEN overlap and TEN - Surface Epidermal
Stevens-Johnson syndrome (SJS ... and Overlap SJS-TEN ... Distinguishing Features #SJS
Tweetorial - Stevens Johnson Syndrome (SJS)

By Dr. Steven Chen @DrStevenTChen

#StevensJohnsonSyndrome #SJS #Dermatology #Diagnosis #Tweetorial #Pathphysiology
Johnson Syndrome (SJS ... StevensJohnsonSyndrome #SJS
Faget Sign - Pulse-Temperature Dissociation
Causes of Relative Bradycardia
 • Infectious Causes: Legionella, Psittacosis, Q fever, Typhoid
Psittacosis, Q fever ... , Typhoid fever, ... , Dengue fever, ... Mountain spotted fever ... , Drug fever
Antinuclear Antibody Testing - Nuclear and Cytoplasmic Patterns
Nuclear Patterns:
 • Homogeneous pattern: 
   -
pattern: - SjS ... Raynaud phenomenon, SjS ... PBC/SSc OS, PBC/SjS ... Speckled: - SLE, SjS ... polar: - SLE, SjS
Fever Patterns - Differential Diagnosis Framework

Continuous Fever:
Temp > 38°C with only 1 degree fluctuation in 24
Fever Patterns - ... Continuous Fever ... (Step ladder: fever ... Intermittent Fever ... or no fever
Causes of Relative Bradycardia - Note the propensity for intracellular organisms.
Infectious: 
Legionella, Psittacosis, Q fever, Typhoid
Psittacosis, Q fever ... , Typhoid fever, ... , Dengue fever, ... Mountain spotted fever ... , Drug fever
Erythematous Rashes - THE ALGORITHMIC APPROACH

Characterized by diffuse redness of the skin due to
capillary congestion, erythematous
or absence of fever ... skin syndrome (SSS ... If fever is present ... disease, scarlet fever ... but without a fever
Faget's Sign & Liebermeister's Rule
Pulse-Temperature Dissociation
EVERY 1 F RISE IN TEMPERATURE -> HR INCREASES 8-10 BPM
INFECTIOUS
Psittacosis • Q Fever ... • Typhoid Fever ... • Drug Fever ... Typhoid Fever (S ... Dengue Fever NOTE