12 results
Petechial/Purpuric Rashes- THE ALGORITHMIC APPROACH 

These rashes can be especially challenging and are
associated with devastating differential
Petechial/Purpuric ... Nonpalpable purpura ... endocarditis, RMSF, and Henoch-Schönlein ... or purpuric rash ... #Rash #Algorithm
Algorithm for Diagnosis of the Petechial / Purpuric Rash

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

Pinpoint areas (less than 2 mm) of hemorrhage, which
Causes of Petechial ... infection - RMSF - Henoch ... Schonlein Purpura ... Rash: - Purpura ... #Petechiae #Rash
Purpura - Differential Diagnosis Framework

Non-blanchable, dark red to purple, hemorrhagic skin lesions that result from leakage
Purpura - Differential ... PURPURA: Platelet ... Acute Infectious Purpura ... OF PALPABLE PURPURA ... #palpable #nonpalpable
Dermatologic Manifestations of Granulomatosis with Polyangiitis (GPA)

Skin involvement in granulomatosis with polyangiitis (GPA) is common and
, Palpable purpura ... • Palpable purpura ... Vesicles overlying purpuric ... purpura • Mixed ... #diagnosis #rheumatology
Skin Conditions Associated with Joint Pain

Rash
	• Human parvovirus B19 infection

Malar rash
	• SLE
	• Human parvovirus B19 infection
	•
purpura • Hypersensitivity ... vasculitis • Henoch ... Schönlein purpura ... #differential #diagnosis ... #rheumatology
Bleeding manifestations 
Petechiae are small, flat, red, discrete areas of skin bleeding that are typically <2
areas of the body Purpura ... Purpura due to vasculitis ... is usually palpable ... Wet purpura is the ... #Purpura #Bruise
Vasculitis - Differential Diagnosis Framework

When to Consider Vasculitis:
• Purpura, ischemic skin lesions
• Mononeuritis multiplex
• Hematuria, proteinuria,
Vasculitis: • Purpura ... purpura: Strong ... purpura • Pauci ... purpura, joint ... purpura (lower
Cryoglobulinemia Summary

Cryoglobulins:
 • Cryoglobulins are Igs in the serum that precipitate in vitro at temperatures below
Arthralgia - Purpura ... Clinical triad of Palpable ... purpura, Arthralgia ... purpura) • Cutaneous ... classification #rheumatology
Vasculitis and Vasculitides - Differential Diagnosis Framework

When to Consider Vasculitis:
 • Purpura, ischemic skin lesions
 •
Vasculitis: • Purpura ... Schonlein Purpura ... erythematous nodules, purpura ... purpura: strong ... purpura.