17 results
Algorithm for Diagnosis of the Petechial / Purpuric Rash

Febrile/Toxic, Palpable: 
 - Meningococcaemia, Disseminated Gonococcal Infection,
Petechial / Purpuric Rash ... Disseminated Gonococcal Infection ... Endocarditis, Henoch-SchönIein ... : - Autoimmune ... #Dermatology #Skin
Skin Conditions Associated with Joint Pain

Rash
	• Human parvovirus B19 infection

Malar rash
	• SLE
	• Human parvovirus B19 infection
	•
Joint Pain Rash ... Malar rash ... Crohn's disease Palpable ... vasculitis • Henoch Schönlein ... #rashes #differential
Causes of Petechial Rash - Differential Diagnosis Algorithm

Pinpoint areas (less than 2 mm) of hemorrhage, which
- Differential ... RMSF - Henoch Schonlein ... Rash: - Autoimmune ... cryoglobulins • Skin ... #Differential #
Combination of Skin Findings and Arthritis in Pediatrics Patient - Differential Diagnosis
Malar rash: 
 • A
Combination of Skin ... Pediatrics Patient - Differential ... elevated rim (In POC ... Suggestive of Lyme infection ... #differential #
Henoch Schonlein Leg Rash - Palpable Purpura
Purpura: Low Platelets or Vasculitis?
45 years old, seen in our
Leg Rash - Palpable ... Tip: To differentiate ... later confirmed by skin ... Purpura #Legs #Rash ... #clinical #photo
Dermatologic Manifestations of Granulomatosis with Polyangiitis (GPA)

Skin involvement in granulomatosis with polyangiitis (GPA) is common and
• Petechiae, Palpable ... Maculopapular rash ... reticularis Differential ... EGPA • Henoch-Schönlein ... #dermatology #rash
Lymphocutaneous Sporotrichiosis Infection

Landscaper w/ painless nodular rash of arm present for months wax and wane; diagnosis?
Lymphocutaneous
painless nodular rash ... trauma leads to skin ... Papulonodular, erythematous ... biopsy preferred Differential ... #clinical #photo
Petechial/Purpuric Rashes- THE ALGORITHMIC APPROACH 

These rashes can be especially challenging and are
associated with devastating differential
inflammation or infection ... RMSF, and Henoch-Schönlein ... petechial or purpuric rash ... vasculitis, such as autoimmune ... Purpural #Purpuric #Rash
Joint Disorders - Differential Diagnosis Algorithm
Monoarthritis
 • Septic
 • Crystalline
     - Gout
within 1 month of infection ... arthritis - with the skin ... formation, systemic autoimmune ... Systemic Lupus Erythematosus ... like “butterfly rash
Moccasin-variety Tinea Pedis 
70 M chronic scaly feet. Over the years: rash has itched only occasionally;
Over the years: rash ... sp. pruritic, erythematous ... skin of inflamed ... Indiana University Infectious ... type #clinical #photo