11 results
Causes of Petechial Rash - Differential Diagnosis Algorithm

Pinpoint areas (less than 2 mm) of hemorrhage, which
Diagnosis Algorithm ... RA, Sjogren's, GPA ... : • Complete blood ... #Petechiae #Rash ... Algorithm #Causes #dermatology
Dermatologic Manifestations of Granulomatosis with Polyangiitis (GPA)

Skin involvement in granulomatosis with polyangiitis (GPA) is common and
lesions (9.4%) • Maculopapular ... rash (6.7%) • ... Differential Diagnosis ... vasculitis (inflamed blood ... #dermatology #rash
Petechiae/Purpura - Diagnostic Algorithm. Pathophysiology: 1) Represent the passage of erythrocytes from the intravascular to extravascular
Petechiae/Purpura ... - Diagnostic Algorithm ... commonly renal and pulmonary ... Dermatology #Rash ... #Petechiae #Purpura
Pigmented Purpuric Dermatoses (PPD) - Capillaritis

Group of chronic, benign, cutaneous eruptions characterized by the presence of
the presence of petechiae ... which allow red blood ... brown tint of the rash ... #differential #diagnosis ... #dermatology
Vasculitis and Vasculitides - Differential Diagnosis Framework

When to Consider Vasculitis:
 • Purpura, ischemic skin lesions
 •
- Differential Diagnosis ... mucositis - Rash ... pulses, bruis, or blood ... Large Vessel: Blood ... • ANCA (Dx: GPA
Vasculitis - Differential Diagnosis Framework

When to Consider Vasculitis:
• Purpura, ischemic skin lesions
• Mononeuritis multiplex
• Hematuria, proteinuria,
- Differential Diagnosis ... pulses, bruits, or blood ... , mucositis • Rash ... MPO > PR3 60/ GPA ... vesicles, pustules, maculopapular
Blood Product Transfusions One Pager Summary
Type and screen - determines blood type and detects in recipient
Blood Product Transfusions ... /sx urticaria, maculopapular ... rash, pruritis, ... Blood products contain ... #diagnosis #management
Blood Transfusion Reactions

Immune Mediated:
 • Febrile Non-Hemolytic Transfusion Reaction (FNHTR): Most common immune reaction to transfusion.
/sx urticaria, maculopapular ... rash, pruritis, ... Causes purpura & ... Blood products contain ... #diagnosis #management
Macrophage Activation Syndrome (MAS)
Classified among the secondary or acquired forms of haemophagocytic lymphohistiocytosis (sHLH)

What?
A subset of
easy bruising to purpura ... mucosal bleeding (Petechial ... or purpuric rash ... Fibrin degradation products ... Activation #Syndrome #Diagnosis
Primary Dermatological Lesions
Primary lesions are physical changes in the skin considered to be caused directly by
curvilinear lesions produced ... PETECHIAE and PURPURA ... : Petechiae are ... nettle sting #Diagnosis ... #Dermatology #Skin