20 results
Erythematous Rashes - THE ALGORITHMIC APPROACH

Characterized by diffuse redness of the skin due to
capillary congestion, erythematous
or absence of fever ... includes Kawasaki disease ... , scarlet fever, ... #Diagnosis #Dermatology ... #Febrile #Fever
Vesiculobullous Rashes - THE ALGORITHMIC APPROACH 
Vesiculobullous rashes provoke significant angst
in many physicians (Figure 5, page
Vesiculobullous Rashes - THE ALGORITHMIC ... and a fever may ... localized lesions and fever ... #Diagnosis #Dermatology ... #Algorithm #Differential
Skin Conditions Associated with Joint Pain

Rash
	• Human parvovirus B19 infection

Malar rash
	• SLE
	• Human parvovirus B19 infection
	•
Joint Pain Rash ... infection Malar rash ... • Rheumatic fever ... Sarcoidosis #dermatology ... #rashes #differential
Maculopapular - Diagnostic Algorithm
Pathophysiology:
- Catch-all term with a wide range of potential pathophysiologic mechanisms and causative
Maculopapular - Diagnostic Algorithm ... instability - New-onset fever ... sulfa-drug - Skin ... #Rash #Maculopapular ... #Differential #
Causes of Petechial Rash - Differential Diagnosis Algorithm

Pinpoint areas (less than 2 mm) of hemorrhage, which
- Differential ... Red Flags: • Fever ... deficiency Work ... cryoglobulins • Skin ... #Causes #dermatology
Adult-Onset Still's Disease
Clinical triad: Fever, Arthralgia/arthritis, Skin rash ± odynophagia
+ Biological inflammation: Increased neutrophils, Hyperferritinemia, decreased
Clinical triad ... : Fever, Arthralgia ... /arthritis, Skin ... rash ± odynophagia ... fraction < 20% Differential
Vibrio Vulnificus skin infection
Cirrhosis w/recent consumption of raw oysters w/rapidly evolving rash. 
Vibrio vulnificus part of
Vibrio Vulnificus skin ... Rapid onset of fever ... disease, iron overload ... #cellulitis #dermatology ... #legs #clinical
Hemolytic Anemia - Differential Diagnosis Algorithm
 • Sickle cells - Consider sickle cell disease (diverse genotypes):
Hemolytic Anemia - Differential ... Diagnosis Algorithm ... bartonella (oroya fever ... #Diagnosis #Algorithm ... #workup #hematology
Petechial/Purpuric Rashes- THE ALGORITHMIC APPROACH 

These rashes can be especially challenging and are
associated with devastating differential
in vasculitic diseases ... petechiae/purpura with fever ... petechiae/purpura with fever ... #Diagnosis #Dermatology ... Purpural #Purpuric #Rash
Erythemas Summarized
Erythema ab igne
 • A dermatosis that results from repeated exposure to heat (fires, heating
known as rat bite fever ... or Haverhill fever ... infectiosum • Fever ... acute rheumatic fever ... #differential #