33 results
Reactive Skin Rash - Differential Diagnosis Algorithm
Reactive erythematous with various morphology
 • Urticaria - Firm /
Reactive Skin Rash ... & plaques that are ... vesicles &/or bullae ... #Reactive #SkinRash ... Diagnosis #Algorithm #causes
Vesiculobullous Skin Rash - Differential Diagnosis Algorithm
Vesicles Fragile/EasiIy Ruptured - Intraepidermal blisters, possibly crusts/erosions
 - Inflammatory
Vesiculobullous Skin ... Rash - Differential ... • Diabetic bullae ... Vesiculobullous #SkinRash ... Diagnosis #Algorithm #causes
Eosinophil Disorders Testing Algorithm
INDICATIONS FOR TESTING:
 • Peripheral blood eosinophilia/hypereosinophilia uncovered incidentally during medical evaluation or
Eosinophil Disorders ... are asthma, allergy ... (eg, skin or esophageal ... #Algorithm #Differential ... #diagnosis #hematology
Causes of Thrombocytopenia and Platelet Disorders - Differential Diagnosis and Workup
History:
 - Prior platelet count, family
- Differential ... pylori test (GI symptoms ... unclear, or if a primary ... #Differential # ... #Workup #hematology
Primary Adrenal Insufficiency
Addison's Disease - Damage of the adrenal glands with lack of cortisol, androgens and
Infiltrative Disorders ... autoimmune endocrine disorder ... patches on the skin ... sodium, potassium, AM ... hydroxylase antibodies are
Causes of Petechial Rash - Differential Diagnosis Algorithm

Pinpoint areas (less than 2 mm) of hemorrhage, which
Causes of Petechial ... Rash - Differential ... Abnormalities in primary ... Vasculitis - Collagen disorders ... cryoglobulins • Skin
Purpura - Differential Diagnosis Framework

Non-blanchable, dark red to purple, hemorrhagic skin lesions that result from leakage
Purpura - Differential ... purple, hemorrhagic skin ... /Quantity: • Primary ... Vasculopathy #Purpura #Differential ... #rheumatology #
Dermatologic Manifestations of Granulomatosis with Polyangiitis (GPA)

Skin involvement in granulomatosis with polyangiitis (GPA) is common and
GPA causes disease ... Maculopapular rash ... • Hemorrhagic Bullae ... reticularis Differential ... #diagnosis #rheumatology
Primary Dermatological Lesions
Primary lesions are physical changes in the skin considered to be caused directly by
Primary Dermatological ... Lesions Primary ... considered to be caused ... a generalized disorder ... VESICLE and BULLA
Diagnostic Framework for Hemolysis - Intravascular vs Extravascular Causes
Intravascular Hemolysis:
 • Mechanical Trauma (Microangiopathic hemolytic anemia):
Extravascular Causes ... usually IgM) (e.g. primary ... lymphoproliferative disorders ... #differential # ... diagnosis #hematology