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A quick infographic on various pearls about atopic dermatitis, a disease with an increasing burden on
dermatitis, a disease ... dermatitis. ... Atopic Dermatitis ... treatment #diagnosis #causes ... D, Galloway G, Murray
Pruritus - Primary Skin Lesion - Differential Diagnosis Algorithm
Macules / Papules / Plaques:
 • Xerosis (dry
(dry skin) • Atopic ... dermatitis • ... Nummular dermatitis ... • Stasis dermatitis ... Diagnosis #Algorithm #causes
Eczematous Skin Rash - Differential Diagnosis Algorithm
Eczematous - Pruritic/Scaly/Erythematous lesions. Usually poorly demarcated
 • Atopic Dermatitis
demarcated • Atopic ... Dermatitis (Eczema ... ) • Nummular Dermatits ... • Seborrheic Dermatitis ... Diagnosis #Algorithm #causes
Pruritus - Generalized Differential Diagnosis Algorithm - Systemic and Primary Causes
== Primary Skin Lesions ==
Macules /
Systemic and Primary Causes ... (dry skin) • Atopic ... dermatitis • ... Nummular dermatitis ... Diagnosis #Algorithm #causes
Vision Loss - Differential Diagnosis
Chronic: 
  - Cornea: Scarring, Edema
  - Lens: Cataracts
Unilateral, Painful: Keratitis ... Bilateral, Painful: Keratitis ... (toxic exposure ... PRES, Metabolic/Toxic ... Differential #Diagnosis #causes
Differential Diagnosis for Vision Loss
Unilateral, Painful Vision Loss:
 • Corneal abrasion, Acute angle-closure glaucoma, Inflammation-iritis, uveitis,
Infection-including zoster, Toxic ... Vision Loss: • Keratitis ... chiasm impingement, Toxic ... Metabolic derangement, Keratitis ... differential #diagnosis #causes
Red Eye - Differential Diagnosis
Lids:
 • Stye (a.k.a. hordeolum)
 • Chalazion
 • Blepharitis
 • Periorbital cellulitis
Conjunctiva
Foreign body • Keratitis ... Differential #Diagnosis #table ... #causes #ophthalmology
Allopecia - Differential Diagnosis Framework for Hair Loss

Localized / Focal Hair Loss Pattern:
 • Scarring Alopecia:
Scaling, pustules, crusts ... disorder • Atopic ... dermatitis ... • Seborrheic Dermatitis ... • Contact dermatitis
Common Dermatological Conditions - Distribution and Morphology
 • Acne vulgaris - Face, upper back, chest -
• Seborrheic dermatitis ... yellow-brown scale • Atopic ... dermatitis - Antecubital ... Allergic contact dermatitis ... honey-colored crusts
Summary table of types of hypersensitivity reactions. 
Type 1
 - Mediators: lgE
 - Antigen Form: Soluble
Summary table of ... Allergen-specific lgE causes ... Examples: Contact dermatitis ... types #allergy #table