19 results
Erythematous Rashes - THE ALGORITHMIC APPROACH

Characterized by diffuse redness of the skin due to
capillary congestion, erythematous
Erythematous Rashes - THE ALGORITHMIC ... includes Kawasaki disease ... erythematous rash ... #Erythematous #Rash ... #Algorithm #Nikolsky
Vesiculobullous Rashes - THE ALGORITHMIC APPROACH 
Vesiculobullous rashes provoke significant angst
in many physicians (Figure 5, page
Vesiculobullous Rashes - THE ALGORITHMIC ... and a fever may ... hand-foot-and-mouth disease ... localized lesions and fever ... #Algorithm #Differential
Vasculitis and Vasculitides - Differential Diagnosis Framework

When to Consider Vasculitis:
 • Purpura, ischemic skin lesions
 •
Urticaria and hypocomplementemia ... Coronary arteries - Fever ... mucositis - Rash ... Vasculitis: • Fevers ... against MPO • Complement
C5-C9 Deficiency - Pathogenesis and Clinical Findings
Note:
 • Risk of invasive meningococcal disease is 1000-10000x higher
meningococcal disease ... is rare Normal complement ... response: The complement ... tissue -> Fatigue, fever ... Maculopapular rash
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 ... petechial or purpuric rash ... Purpural #Purpuric #Rash
Summary table of types of hypersensitivity reactions. 
Type 1
 - Mediators: lgE
 - Antigen Form: Soluble
Summary table of ... Anaphylaxis, Hay fever ... reaction, Haemolytic disease ... they activate complement ... types #allergy #table
Maculopapular Rashes - THE ALGORITHMIC APPROACH 

The term maculopapule is a portmanteau, a combination
of macule and
Maculopapular Rashes - THE ALGORITHMIC ... macule and papule (Table ... distribution of the rash ... assessed for Lyme disease ... #Algorithm #Central
Hypersensitivity Types and Their Mechanisms
Type I - lgE - Soluble antigen
 - Allergen-specific lgE antibodies bind
, seasonal hay fever ... antigen, leading to complement ... during hemolytic disease ... Complement activation ... Diagnosis #Reactions #Table
SLE (Systemic Lupus Erythematosus)

Suspect:
Clinical evidence of (fatigue, rash, photosensitivity, inflammatory arthritis, weight loss, and fever) and
evidence of (fatigue, rash ... weight loss, and fever ... anti-Smith Ab, low complements ... to: Arthritis, Fever ... RNP antibodies, Complement
Erythemas Summarized
Erythema ab igne
 • A dermatosis that results from repeated exposure to heat (fires, heating
or Haverhill fever ... early localized disease ... called "Bazin's disease ... so-called fifth disease ... Erythemas #comparison #table