10 results
Algorithm for Diagnosis of the Petechial / Purpuric Rash

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

Pinpoint areas (less than 2 mm) of hemorrhage, which
Causes of Petechial ... Rash - Differential ... - RMSF - Henoch ... Schonlein Purpura ... #Petechiae #Rash
Petechial/Purpuric Rashes- THE ALGORITHMIC APPROACH 

These rashes can be especially challenging and are
associated with devastating differential
with devastating differential ... inflammation or infection ... endocarditis, RMSF, and Henoch-Schönlein ... or purpuric rash ... #Purpuric #Rash
Henoch Schonlein Leg Rash - Palpable Purpura
Purpura: Low Platelets or Vasculitis?
45 years old, seen in our
Henoch Schonlein ... Tip: To differentiate ... suggestive of Henoch-Schonlein ... later confirmed by skin ... #photo #dermatology
Skin Conditions Associated with Joint Pain

Rash
	• Human parvovirus B19 infection

Malar rash
	• SLE
	• Human parvovirus B19 infection
	•
Joint Pain Rash ... parvovirus B19 infection ... Malar rash ... • Henoch Schönlein ... #rashes #differential
Dermatologic Manifestations of Granulomatosis with Polyangiitis (GPA)

Skin involvement in granulomatosis with polyangiitis (GPA) is common and
GPA causes disease ... Findings: • Petechiae ... Maculopapular rash ... reticularis Differential ... polyangiitis • EGPA • Henoch-Schönlein
Moccasin-variety Tinea Pedis 
70 M chronic scaly feet. Over the years: rash has itched only occasionally;
Over the years: rash ... dermatophytes cause ... , hence the name ... skin of inflamed ... type #clinical #photo
Vasculitis and Vasculitides - Differential Diagnosis Framework

When to Consider Vasculitis:
 • Purpura, ischemic skin lesions
 •
often present • Henoch ... Schonlein Purpura ... tract, and often causes ... mucositis - Rash ... to exclude are infections
Vasculitis - Differential Diagnosis Framework

When to Consider Vasculitis:
• Purpura, ischemic skin lesions
• Mononeuritis multiplex
• Hematuria, proteinuria,
Vasculitis - Differential ... , mucositis • Rash ... often present) Henoch ... Schonlein Purpura ... tract, and often causes
PALM RASHES 
Common features and patterns:
1.	Color:
o	Red or erythematous: Common in inflammatory or allergic reactions.
o	Purple or purpuric:
inflammation (vasculitis ... occur in chronic skin ... Seen in systemic causes ... disease. 6 Causes ... (Tinea Manuum):