20 results
SKIN RASHES 



Skin rashes can occur from a variety of factors, including infections, heat, allergens, immune
immune system disorders ... rapid and accurate diagnosis ... the presence of fever ... and systemic signs ... petechiae; #purpura; #rash
Erythematous Rashes - THE ALGORITHMIC APPROACH

Characterized by diffuse redness of the skin due to
capillary congestion, erythematous
redness of the skin ... , the differential ... erythematous rash ... #Erythematous #Rash ... #Differential
Skin Hypopigmentation - Differential Diagnosis Algorithm

Diffuse Congenital - Generalized hypopigmentation of hair, eyes, skin
 • Phenylketonuria
- Differential ... sclerosis (white "ash ... Tinea versicolor (can ... Hypopigmentation #disorders ... #causes
Causes of Petechial Rash - Differential Diagnosis Algorithm

Pinpoint areas (less than 2 mm) of hemorrhage, which
Rash - Differential ... Vasculitis - Collagen disorders ... Red Flags: • Fever ... cryoglobulins • Skin ... #physicalexam
Disorders of Pigmentations - Hypopigmentation and Hyperpigmentation - Differential Diagnosis Algorithm

HYPOPIGMENTATION
Diffuse Congenital - Generalized hypopigmentation of
Disorders of Pigmentations ... Diagnosis Algorithm ... sclerosis (white "ash ... Tinea versicolor (can ... #causes
Sweet Syndrome

Acute febrile neutrophilic dermatosis (Sweets Syndrome) is a skin condition characterized by fever and inflamed
Rare Disorder: ... onset of a rash ... - Rash: multiple ... Episcleritis Signs ... Causes: - Idiopathic
Erythemas Summarized
Erythema ab igne
 • A dermatosis that results from repeated exposure to heat (fires, heating
centrifugum • A chronic skin ... • Can be induced ... • Can be associated ... comparison #table #differential ... #diagnosis #dermatology
Primary Adrenal Insufficiency
Addison's Disease - Damage of the adrenal glands with lack of cortisol, androgens and
Infiltrative Disorders ... Tuberculosis: can ... • Low-grade fever ... Serum DHEAS Diagnosis ... patches on the skin
MIAMI Mnemonic for Differential Diagnosis of Lymphadenopathy
Malignancies
 - Kaposi sarcoma, leukemias, lymphomas, metastases, skin neoplasms
Infections
 -
lymphomas, metastases, skin ... tularemia, typhoid fever ... toxoplasmosis Autoimmune disorders ... sarcoidosis Iatrogenic causes ... #Diagnosis
ANTI-MDA5 DERMATOMYOSITIS

Cutaneous manifestations:
• Periorbital heliotrope (blue-purple) rash with edema
• Erythematous rash on the face, or the
(blue-purple) rash ... • Erythematous rash ... Palmar papules: can ... Dermatomyositis • Fever ... #dermatology #diagnosis