Purpura fulminans Aka: Purpura fulminans II. Pathophysiology Associated with Disseminated Intravascular Coagulopathy Possible etiologies Severe Bacterial Infection (Meningococcemia) Protein C Deficiency Protein S Deficiency III. Signs See also Disseminated Intravascular […]
Purpura Causes Aka: Purpura Causes II. Causes: Platelet Disorders See Thrombocytopenia Causes (Most common) See Platelet Dysfunction III. Causes: Coagulation Factor Deficiency Congenital Factor VIII Deficiency Factor IX Deficiency […]
Purpura Aka: Purpura, Purpuric rash, Petechiae, Ecchymosis, Ecchymoses II. Definitions General: Non-blanching cutaneous Hemorrhages Petechiae: Pinpoint Hemorrhages <2 mm in diameter Purpura: 2 to 10 mm in diameter Ecchymosis: >10 mm in […]
Angioedema Aka: Angioedema, Hereditary Angioedema, Allergic Angioedema, Histamine-Mediated Angioedema, Bradykinin-Mediated Angioedema, ACE inhibitor Induced Angioedema, Drug-Induced Angioedema and Urticaria II. Definitions Angioedema Localized, non-Pitting Edema of the deep Dermis and subcutaneous tissue Asymmetrically affects the […]
Lichen Simplex Chronicus Aka: Lichen Simplex Chronicus, Lichen Simplex, Circumscribed Neurodermatitis, Lichen Simplex Nuchae, Scalp Picker’s Nodule, Vulvar Lichen Simplex Chronicus, Red Scrotum Syndrome II. Pathophysiology Lichenified skin reaction to chronic scratching […]
Contact Dermatitis of the Eyelid Aka: Contact Dermatitis of the Eyelid, Eyelid Contact Dermatitis, Eyelid Dermatitis II. Causes: Topicals used on or around the eye Eye cosmetics Eyeliner, […]
Irritant Contact Dermatitis Aka: Irritant Contact Dermatitis, Contact Dermatitis From Irritants II. Pathophysiology Occurs in all members of population Elderly and very young more susceptible Great variations […]
Allergic Contact Dermatitis Aka: Allergic Contact Dermatitis, Contact Urticaria II. Pathophysiology Only occurs in genetically predisposed person Agent specific immunologic cell-mediated response Requires sensitization Reaction can be […]
Contact Dermatitis Aka: Contact Dermatitis, Prevention of Contact Dermatitis II. Definition Inflammation of skin secondary to chemical contact Results in intracellular edema of Epidermis III. Types Irritant Contact […]
BRS – Pediatrics: Allergy and Immunology Source: BRS Pediatrics, 2019 I. Anaphylaxis A. Definition. Anaphylaxis is a potentially life-threatening, acute systemic IgE-mediated reaction (type 1 […]
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