10 results
Reactive Skin Rash - Differential Diagnosis Algorithm
Reactive erythematous with various morphology
 • Urticaria - Firm /
- Differential Diagnosis ... Algorithm Reactive ... Urticaria - Firm / edematous ... #Reactive #SkinRash ... #Algorithm #causes
Eczematous Skin Rash - Differential Diagnosis Algorithm
Eczematous - Pruritic/Scaly/Erythematous lesions. Usually poorly demarcated
 • Atopic Dermatitis
- Differential Diagnosis ... Algorithm Eczematous ... Well-demarcated erythema ... #SkinRash #dermatology ... #Algorithm #causes
Cutaneous and Systemic Findings in Dermatomyositis
Cutaneous Findings:
 - Heliotrope sign and edema
 - Nail-fold changes
 -
- Heliotrope sign ... or shawl sign ... cutis - Scalp erythema ... and scale - Holster ... Dermatomyositis #Diagnosis
Holster Sign in Dermatomyositis

Interestingly, poikiloderma and violaceous erythema can occur in sun protected areas as well
Holster Sign in ... and violaceous erythema ... thighs called: The holster ... RashDecisionz #Holster ... SkinRash #Dermatomyositis
Vesiculobullous Skin Rash - Differential Diagnosis Algorithm
Vesicles Fragile/EasiIy Ruptured - Intraepidermal blisters, possibly crusts/erosions
 - Inflammatory
- Differential Diagnosis ... Algorithm Vesicles ... Vesiculobullous #SkinRash ... #Differential #Diagnosis ... #Algorithm #causes
Physiologic Skin Changes in Pregnancy - Differential Diagnosis Algorithm

Face
 • Melasma
Abdomen
 • Linea Nigra 
Hormone induced
- Differential Diagnosis ... Algorithm Face ... Skin • Palmar erythema ... • Chadwick's sign ... #Algorithm #causes
Papulosquamous Skin Rash - Differential Diagnosis Algorithm
Erythrematous or violaceous papules & plaques with overlying scale
 •
- Differential Diagnosis ... Algorithm Erythrematous ... Auspitz sign, Koebner's ... Papulosquamous #SkinRash ... #Algorithm #causes
Common Dermatological Conditions - Distribution and Morphology
 • Acne vulgaris - Face, upper back, chest -
forehead, chin - Erythema ... and plaques of erythema ... associated with signs ... erosions • Herpes zoster ... #differential #diagnosis
CNS Infections - Viral Encephalitis and Bacterial Meningitis - Differential Diagnosis Framework

Viral Encephalitis:
MCC: Enteroviruses (e.g., coxsackievirus
- Differential Diagnosis ... • Varicella-zoster ... 10 weeks after erythema ... - History of erythema ... Acute meningeal signs
Oral Skin Ulcers - Differential Diagnosis Algorithm
Single Ulcer:
 • Traumatic ulcer
 • Angular ulcer
 • Aphthous
- Differential Diagnosis ... Algorithm Single ... stomatitis • Erythema ... #Oral #mouth #SkinRash ... #Algorithm #causes