12 results
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 RASHES 



Skin rashes can occur from a variety of factors, including infections, heat, allergens, immune
SKIN RASHES ... immune system disorders ... the presence of fever ... and systemic signs ... petechiae; #purpura; #rash
Causes of Petechial Rash - Differential Diagnosis Algorithm

Pinpoint areas (less than 2 mm) of hemorrhage, which
Vasculitis - Collagen disorders ... Red Flags: • Fever ... : - Autoimmune ... cryoglobulins • Skin ... #dermatology #physicalexam
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 ... gyratum repens • A skin ... comparison #table #differential
Sweet Syndrome

Acute febrile neutrophilic dermatosis (Sweets Syndrome) is a skin condition characterized by fever and inflamed
conditions that can ... Rare Disorder: ... onset of a rash ... - Rash: multiple ... Episcleritis Signs
Primary Adrenal Insufficiency
Addison's Disease - Damage of the adrenal glands with lack of cortisol, androgens and
Infiltrative Disorders ... Tuberculosis: can ... endocrine disorder ... • Low-grade fever ... patches on the skin
MIAMI Mnemonic for Differential Diagnosis of Lymphadenopathy
Malignancies
 - Kaposi sarcoma, leukemias, lymphomas, metastases, skin neoplasms
Infections
 -
MIAMI Mnemonic for Differential ... lymphomas, metastases, skin ... tularemia, typhoid fever ... toxoplasmosis Autoimmune ... disorders - Dermatomyositis
SLE (Systemic Lupus Erythematosus)

Suspect:
Clinical evidence of (fatigue, rash, photosensitivity, inflammatory arthritis, weight loss, and fever) and
weight loss, and fever ... 3rd Decade Skin ... permanent alopecia Differential ... Lupus nephritis can ... to: Arthritis, Fever
Approach to Joint Pain - Arthritis Differential Diagnosis Framework

Inflammatory Versus Noninflammatory Pain
 • Is it inflammatory
Pain - Arthritis Differential ... Mechanical/degenerative disorders ... noninflammatory Signs ... Monoarthritis (>6 weeks) Can ... • Rheumatic fever
Vasculitis and Vasculitides - Differential Diagnosis Framework

When to Consider Vasculitis:
 • Purpura, ischemic skin lesions
 •
Coronary arteries - Fever ... mucositis - Rash ... arterial aneurysms can ... Vasculitis: • Fevers ... purpura: strong sign