11 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
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 #
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
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
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
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
Vasculitis - Differential Diagnosis Framework

When to Consider Vasculitis:
• Purpura, ischemic skin lesions
• Mononeuritis multiplex
• Hematuria, proteinuria,
Vasculitis - Differential ... Vasculitis Differential ... to exclude are infections ... , mucositis • Rash ... present) Henoch Schonlein
Vasculitis and Vasculitides - Differential Diagnosis Framework

When to Consider Vasculitis:
 • Purpura, ischemic skin lesions
 •
present • Henoch Schonlein ... mucositis - Rash ... to exclude are infections ... scleritis • Palpable ... -> causing palpable
Vancomycin induced Leukocytoclastic Vasculitis (LCV) of the Hand
70 M vertebral osteomyelitis on vancomycin and cefepime for
Presents with diffuse palpable ... rash. ... Differential for ... , foods, autoimmune ... dermatology #clinical #photo
SLE (Systemic Lupus Erythematosus)

Suspect:
Clinical evidence of (fatigue, rash, photosensitivity, inflammatory arthritis, weight loss, and fever) and
3rd Decade Skin ... permanent alopecia Differential ... disease • Non-autoimmune ... fibromyalgia) • Infections ... deficiencies • Autoimmune