17 results
Maculopapular - Diagnostic Algorithm
Pathophysiology:
- Catch-all term with a wide range of potential pathophysiologic mechanisms and causative
- Pathophysiology ... Ill-appearing, vital sign ... New-onset fever with rash ... sulfa-drug - Skin ... #Dermatology #Rash
Anaplasma Infection - Anaplasma phagocytophilum
Pathophysiology: 
 • Obligate, intracellular bacteria
 • Transmitted via blacklegged tick —
phagocytophilum Pathophysiology ... within morulae Signs ... shaking chills • Rash ... is rare (< 10% cases ... ), cough (30% cases
Lupus (SLE): Mucocutaneous Manifestations

 • Langerhan cells and keratinocytes release cytokines -> localized inflammatory response ->
hair follicles -> causes ... plugging -> Discoid Rash ... inflammation on skin ... Malar (butterfly) Rash ... #diagnosis #signs
Secondary Syphilis Rash
Secondary syphilis is the most contagious of all the stages of this disease, and
Secondary Syphilis Rash ... Skin rash and malaise ... The signs and symptoms ... ▪ “Rash” (75% ... resembling rashes caused
SKIN RASHES 



Skin rashes can occur from a variety of factors, including infections, heat, allergens, immune
SKIN RASHES ... Skin rashes ... fever and systemic signs ... rashes into these classes ... petechiae; #purpura; #rash
Kawasaki Disease: Clinical Findings
Diagnostic Criteria - Fever and 4/5 of the following:
 • Conjunctivitis
 • Polymorphous
• Polymorphous rash ... hands & feet Signs ... - Generalized Skin ... Rash #Kawasaki ... #Signs #Symptoms
ANTI-MDA5 DERMATOMYOSITIS

Cutaneous manifestations:
• Periorbital heliotrope (blue-purple) rash with edema
• Erythematous rash on the face, or the
(blue-purple) rash ... • Erythematous rash ... chest (in a V-sign ... shoulders (in a shawl sign ... Inverse Gottron’s sign
Manifestations of Anaphylaxis by Body System

Dermatologic/mucosal

 - Eyes: periorbital swelling/erythema, injected conjunctiva, tears

 - Oral mucosa:
tongue and lips - Skin ... : urticarial rash ... , morbilliform rash ... Gastrointestinal - Nausea ... Diagnosis #Allergy #Signs
Papulosquamous Skin Rash - Differential Diagnosis Algorithm
Erythrematous or violaceous papules & plaques with overlying scale
 •
Papulosquamous Skin ... Rash - Differential ... Auspitz sign, Koebner's ... Diagnosis #Algorithm #causes
Sweet Syndrome

Acute febrile neutrophilic dermatosis (Sweets Syndrome) is a skin condition characterized by fever and inflamed
Syndrome) is a skin ... sudden onset of a rash ... - Rash: multiple ... Episcleritis Signs ... Causes: - Idiopathic