13 results
Algorithm for Diagnosis of the Petechial / Purpuric Rash

Febrile/Toxic, Palpable: 
 - Meningococcaemia, Disseminated Gonococcal Infection,
Algorithm for Diagnosis ... / Purpuric Rash ... - Autoimmune Vasculitis ... #Algorithm #Diagnosis ... #Dermatology #Skin
Causes of Petechial Rash - Differential Diagnosis Algorithm

Pinpoint areas (less than 2 mm) of hemorrhage, which
Causes of Petechial ... Diagnosis Algorithm ... cryoglobulins • Skin ... #Petechiae #Rash ... #Algorithm #Causes
Vascular Skin Lesions - Differential Diagnosis Algorithm
 - Petechiae < 0.2 cm diameter
 - Purpura 0.2
Vascular Skin Lesions ... - Differential Diagnosis ... Algorithm - Petechiae ... discolorations of skin ... #Algorithm #causes
SKIN RASHES 



Skin rashes can occur from a variety of factors, including infections, heat, allergens, immune
SKIN RASHES ... Skin rashes ... rapid and accurate diagnosis ... fever and systemic signs ... ; #purpura; #rash
Pustular Skin Rash - Differential Diagnosis Algorithm
Pruritic / Scaly / Erythematous lesions, usually poorly demarcated
Acneiform -
Pustular Skin Rash ... - Differential Diagnosis ... Algorithm Pruritic ... body folds with satellite ... #Algorithm #causes
Dermatologic Manifestations of Granulomatosis with Polyangiitis (GPA)

Skin involvement in granulomatosis with polyangiitis (GPA) is common and
GPA causes disease ... Findings: • Petechiae ... Maculopapular rash ... Differential Diagnosis ... #dermatology #rash
Maculopapular - Diagnostic Algorithm
Pathophysiology:
- Catch-all term with a wide range of potential pathophysiologic mechanisms and causative
Maculopapular - Diagnostic ... Algorithm Pathophysiology ... erythroderma, petechiae ... Ill-appearing, vital sign ... sulfa-drug - Skin
Vasculitis and Vasculitides - Differential Diagnosis Framework

When to Consider Vasculitis:
 • Purpura, ischemic skin lesions
 •
- Differential Diagnosis ... tract, and often causes ... mucositis - Rash ... Differential Diagnosis ... purpura: strong sign
Lupus (SLE): Mucocutaneous Manifestations

 • Langerhan cells and keratinocytes release cytokines -> localized inflammatory response ->
hair follicles -> causes ... inflammation on skin ... Livedo Reticularis, Vasculitis ... pathophysiology #diagnosis ... #signs #symptoms
Vasculitis - Differential Diagnosis Framework

When to Consider Vasculitis:
• Purpura, ischemic skin lesions
• Mononeuritis multiplex
• Hematuria, proteinuria,
Diagnosis Framework ... Differential Diagnosis ... purpura: Strong sign ... , mucositis • Rash ... tract, and often causes