13 results
Causes of Petechial Rash - Differential Diagnosis Algorithm

Pinpoint areas (less than 2 mm) of hemorrhage, which
- Differential ... deficiency Work ... cryoglobulins • Skin ... #Differential # ... Algorithm #Causes #dermatology
ANTI-MDA5 DERMATOMYOSITIS

Cutaneous manifestations:
• Periorbital heliotrope (blue-purple) rash with edema
• Erythematous rash on the face, or the
(blue-purple) rash ... • Erythematous rash ... ulcerations • Skin ... onset [33-74%] • Blood ... #dermatology #diagnosis
Dermatologic Manifestations of Granulomatosis with Polyangiitis (GPA)

Skin involvement in granulomatosis with polyangiitis (GPA) is common and
Maculopapular rash ... reticularis Differential ... vasculitis (inflamed blood ... Polyangiitis #GPA #dermatology ... #rash #diagnosis
Eosinophil Disorders Testing Algorithm
INDICATIONS FOR TESTING:
 • Peripheral blood eosinophilia/hypereosinophilia uncovered incidentally during medical evaluation or
• Peripheral blood ... evaluation or workup ... symptoms (eg, skin ... Disorders #Algorithm #Differential ... #diagnosis #hematology
Drug Reaction with Eosinophilia and Systemic Symptoms (DRESS)
Definition: 
 • Severe adverse drug reaction, characterized by
characterized by extensive skin ... rash in association ... Skin involvement ... Resolution > 15 days Differentials ... DRESS #Syndrome #dermatology
Pigmented Purpuric Dermatoses (PPD) - Capillaritis

Group of chronic, benign, cutaneous eruptions characterized by the presence of
Extravasation of blood ... which allow red blood ... brown tint of the rash ... Dermatoses #Dermatosis #differential ... #diagnosis #dermatology
Scleroderma Like Conditions - Differential Diagnosis
Eosinophilic Fasciitis:
 - Orange peel induration (peau d'orange) of proximal extremities
Like Conditions - Differential ... be seen after blood ... #Scleroderma #Differential ... Diagnosis #comparison #table ... #dermatology
Erythemas Summarized
Erythema ab igne
 • A dermatosis that results from repeated exposure to heat (fires, heating
centrifugum • A chronic skin ... gyratum repens • A skin ... Erythemas #comparison #table ... #differential # ... diagnosis #dermatology
Myelodysplastic Syndromes (MDS)

What?
Myelodysplastic syndromes are a group of disorders caused by blood cells that are poorly
formed or don’t work ... just beneath the skin ... Workup: • Complete ... differential • ... Syndromes #diagnosis #hematology
Blood Product Transfusions One Pager Summary
Type and screen - determines blood type and detects in recipient
Blood Product Transfusions ... maculopapular rash ... infections with skin ... Transfusions #diagnosis #management ... #hematology #reactions