10 results
Algorithm for Diagnosis of the Petechial / Purpuric Rash

Febrile/Toxic, Palpable: 
 - Meningococcaemia, Disseminated Gonococcal Infection,
/ Purpuric Rash ... Endocarditis, Henoch-SchönIein ... #Purpuric #Petechiae ... #Purpura #Rash ... #Skin
Causes of Petechial Rash - Differential Diagnosis Algorithm

Pinpoint areas (less than 2 mm) of hemorrhage, which
lesions • Severe pain ... RMSF - Henoch Schonlein ... RA, Sjogren's, GPA ... cryoglobulins • Skin ... #Petechiae #Rash
Dermatologic Manifestations of Granulomatosis with Polyangiitis (GPA)

Skin involvement in granulomatosis with polyangiitis (GPA) is common and
Maculopapular rash ... burning sensation or pain ... : • Petechiae ... • Henoch-Schönlein ... #dermatology #rash
Skin Conditions Associated with Joint Pain

Rash
	• Human parvovirus B19 infection

Malar rash
	• SLE
	• Human parvovirus B19 infection
	•
vasculitis • Henoch Schönlein ... purpuraPAN ... Sarcoidosis • GPA ... Sarcoidosis #dermatology ... #joint #pain #skin
Palpable Purpura seen in Henoch Schonlein Purpura (HSP, IgA Vasculitis)

55 year old male on tuberculosis treatment
seen in Henoch Schonlein ... now abdominal pain ... #Henoch #Schonlein ... Vasculitis #clinical #photo ... #dermatology #skin
Capnocytophaga Canimorsus Skin Rash

40 M presents w/ N, V, severe epigastric pain. SHx: smoker, drinks 18
severe epigastric pain ... +purpuric rash → ... purpura fulminans ... #Rash #dermatology ... #clinical #photo
Vasculitis and Vasculitides - Differential Diagnosis Framework

When to Consider Vasculitis:
 • Purpura, ischemic skin lesions
 •
present • Henoch Schonlein ... mucositis - Rash ... to exclude are infections ... , testes -> pain ... • ANCA (Dx: GPA
Vasculitis - Differential Diagnosis Framework

When to Consider Vasculitis:
• Purpura, ischemic skin lesions
• Mononeuritis multiplex
• Hematuria, proteinuria,
to exclude are infections ... tract: Abdominal pain ... , mucositis • Rash ... present) Henoch Schonlein ... , recent viral infection
PALM RASHES 
Common features and patterns:
1.	Color:
o	Red or erythematous: Common in inflammatory or allergic reactions.
o	Purple or purpuric:
o Purple or purpuric ... occur in chronic skin ... o Pain or burning ... disease, or bullous skin ... (Tinea Manuum):
Monkeypox Skin Rash
30 yr F and her 6 yr daughter purchased 2 prairie dogs 10 days
Monkeypox Skin Rash ... , HA, LN, back pain ... #Monkeypox #SkinRash ... #clinical #photo ... #dermatology