13 results
Causes of Petechial Rash - Differential Diagnosis Algorithm

Pinpoint areas (less than 2 mm) of hemorrhage, which
Causes of Petechial ... Rash - Differential ... cryoglobulins • Skin ... #Petechiae #Rash ... #Causes #dermatology
Pustular Skin Rash - Differential Diagnosis Algorithm
Pruritic / Scaly / Erythematous lesions, usually poorly demarcated
Acneiform -
Pustular Skin Rash ... - Differential ... Diagnosis Algorithm ... borders of lips Infectious ... #SkinRash #dermatology
Dermatologic Manifestations of Granulomatosis with Polyangiitis (GPA)

Skin involvement in granulomatosis with polyangiitis (GPA) is common and
GPA causes disease ... reticularis Differential ... vasculitis (inflamed blood ... #rash #diagnosis ... #rheumatology
Vasculitis Involving the Skin - Differential Diagnosis Framework

Primary: 50% Cutaneous Vasculitis: Leukocytoclastic Vasculitis
Secondary: CTD: SLE, RA
- Differential ... related vasculitis, infections ... Small Vessel: Petechiae ... , Palpable purpura ... #dermatology #rheumatology
Erythemas Summarized
Erythema ab igne
 • A dermatosis that results from repeated exposure to heat (fires, heating
: infections (cutaneous ... neonatorum • Pustular ... that smear of the pustular ... comparison #table #differential ... #diagnosis #dermatology
Primary Dermatological Lesions
Primary lesions are physical changes in the skin considered to be caused directly by
considered to be caused ... : Petechiae are ... larger and may be palpable ... nettle sting #Diagnosis ... #Dermatology #Skin
Pigmented Purpuric Dermatoses (PPD) - Capillaritis

Group of chronic, benign, cutaneous eruptions characterized by the presence of
chronic, benign, cutaneous ... - This iron causes ... brown tint of the rash ... Dermatoses #Dermatosis #differential ... #diagnosis #dermatology
Vasculitis - Differential Diagnosis Framework

When to Consider Vasculitis:
• Purpura, ischemic skin lesions
• Mononeuritis multiplex
• Hematuria, proteinuria,
pulses, bruits, or blood ... , mucositis • Rash ... vesicles, pustules ... , maculopapular ... #Diagnosis #Rheumatology
Vasculitis and Vasculitides - Differential Diagnosis Framework

When to Consider Vasculitis:
 • Purpura, ischemic skin lesions
 •
tract, and often causes ... mucositis - Rash ... to exclude are infections ... #diagnosis #rheumatology ... #classification
Blood Transfusion Reactions

Immune Mediated:
 • Febrile Non-Hemolytic Transfusion Reaction (FNHTR): Most common immune reaction to transfusion.
/sx urticaria, maculopapular ... rash, pruritis, ... include: fever, cutaneous ... skin flora (GPCs ... #management #hematology