11 results
Erythematous Rashes - THE ALGORITHMIC APPROACH

Characterized by diffuse redness of the skin due to
capillary congestion, erythematous
or absence of fever ... If fever is present ... a fever or Nikolsky ... Rash #Algorithm ... #Nikolsky #Febrile
Adult Onset Still's Disease
Systemic inflammation with urticarial rash.
Rash: 
 • Nonpruritic, evanescent (correlates with time of
Daily high spiking fever ... - Fever spikes ... Fever of at least ... /splenomegaly, liver ... AOSD #diagnosis #rheumatology
Adult Onset Still's Disease - Yamaguchi Criteria
Major criteria:
 - Fever >= 39C lasting >= 1 weeks
Adult Onset Still's ... criteria: - Fever ... with concomitant fever ... Abnormalities in liver ... #Major #Minor #Rheumatology
Macrophage Activation Syndrome (MAS)
Classified among the secondary or acquired forms of haemophagocytic lymphohistiocytosis (sHLH)

What?
A subset of
disease • Periodic fever ... - Nonremitting fever ... thrombocytopenia • Liver ... Diagnosis #Management #Hematology ... #Rheumatology
Systemic Lupus Erythematosus - Diagnosis
Manifestations:
 - Arthritis 69%
 - Malar rash 40%
 - Fever 36%
 -
Systemic Lupus Erythematosus ... 69% - Malar rash ... 40% - Fever 36% ... Multiple sclerosis, Still's ... #differential #rheumatology
Causes of Petechial Rash - Differential Diagnosis Algorithm

Pinpoint areas (less than 2 mm) of hemorrhage, which
Differential Diagnosis Algorithm ... Red Flags: • Fever ... medication Febrile ... deficiency Work ... #Causes #dermatology
SLE (Systemic Lupus Erythematosus)

Suspect:
Clinical evidence of (fatigue, rash, photosensitivity, inflammatory arthritis, weight loss, and fever) and
weight loss, and fever ... arthritis, adult-onset Still ... Non-autoimmune rheumatologic ... to: Arthritis, Fever ... #Diagnosis #Rheumatology
ANTI-MDA5 DERMATOMYOSITIS

Cutaneous manifestations:
• Periorbital heliotrope (blue-purple) rash with edema
• Erythematous rash on the face, or the
rash on the face ... Dermatomyositis • Fever ... disease and ILD • Liver ... Liver biopsies show ... Dermatomyositis #rheumatology
Vibrio Vulnificus skin infection
Cirrhosis w/recent consumption of raw oysters w/rapidly evolving rash. 
Vibrio vulnificus part of
Rapid onset of fever ... , chills, hypotension ... sepsis: chronic liver ... immunosuppressive meds ... #cellulitis #dermatology
Blood Transfusion Reactions

Immune Mediated:
 • Febrile Non-Hemolytic Transfusion Reaction (FNHTR): Most common immune reaction to transfusion.
S/sx: Fever, flank ... have drop in Hct, fever ... Sx include: fever ... eruptions, diarrhea, liver ... diagnosis #management #hematology