11 results
Palpable Purpura seen in Henoch Schonlein Purpura (HSP, IgA Vasculitis)

55 year old male on tuberculosis treatment
Schonlein Purpura (HSP ... palpable rash. ... Henoch #Schonlein #HSP ... #clinical #photo ... #dermatology #skin
Purpura - Differential Diagnosis Framework

Non-blanchable, dark red to purple, hemorrhagic skin lesions that result from leakage
CAUSES OF NON-PALPABLE ... vasculitis • Ig ... A vasculitis/HSP ... • HCV, HBV Not ... #nonpalpable #dermatology
Henoch Schonlein Leg Rash - Palpable Purpura
Purpura: Low Platelets or Vasculitis?
45 years old, seen in our
Schonlein Leg Rash ... Henoch-Schonlein purpura (IgA ... Purpura #Legs #Rash ... #clinical #photo ... #dermatology #HSP
Vancomycin induced Leukocytoclastic Vasculitis (LCV) of the Hand
70 M vertebral osteomyelitis on vancomycin and cefepime for
Presents with diffuse palpable ... rash. ... Differential for LCV ... polyangiitis, HSP ... #dermatology #clinical
Cryoglobulinemia Summary

Cryoglobulins:
 • Cryoglobulins are Igs in the serum that precipitate in vitro at temperatures below
triad of Palpable ... • Infections: HCV ... infection, HBV ... infection, HIV infection ... • IgA vasculitis
Vasculitis - Differential Diagnosis Framework

When to Consider Vasculitis:
• Purpura, ischemic skin lesions
• Mononeuritis multiplex
• Hematuria, proteinuria,
hip • Muscle strength ... HTN • Check: HBV ... , mucositis • Rash ... Schonlein Purpura (IgA ... , IgA (cmpkx deposits
Vasculitis and Vasculitides - Differential Diagnosis Framework

When to Consider Vasculitis:
 • Purpura, ischemic skin lesions
 •
Schonlein Purpura (IgA ... mucositis - Rash ... scleritis • Palpable ... Cryoglobulins • HIV ... • HBV HCV
Rickettsialpox Eschar

40 homeless male from NY admitted with fever, chills, headache, myalgias. Diagnosis?
Rickettsialpox R akari classic
Palpable draining ... Rash appears 3-4d ... , hsv, Queensland ... Eschar #rakari #clinical ... photo #skinrash #dermatology
Blood Transfusion Reactions

Immune Mediated:
 • Febrile Non-Hemolytic Transfusion Reaction (FNHTR): Most common immune reaction to transfusion.
maculopapular rash ... recipients w/ IgA ... Extremely rare - HIV ... 2,000,000,000, HBV ... in 100,000,000, HCV
Blood Product Transfusions One Pager Summary
Type and screen - determines blood type and detects in recipient
maculopapular rash ... recipients w/ IgA ... Extremely rare - HIV ... 2,000,000,000, HBV ... in 100,000,000, HCV