7 results
Algorithm for Diagnosis of the Petechial / Purpuric Rash

Febrile/Toxic, Palpable: 
 - Meningococcaemia, Disseminated Gonococcal Infection,
of the Petechial ... - Autoimmune Vasculitis ... twitter.com/BirksMD #Petechial ... #Purpuric #Petechiae ... #Dermatology #Skin
Causes of Petechial Rash - Differential Diagnosis Algorithm

Pinpoint areas (less than 2 mm) of hemorrhage, which
Causes of Petechial ... lesions called petechiae ... Petechiae Etiology ... ultrasound #Petechial ... #Petechiae #Rash
Vasculitis Involving the Skin - Differential Diagnosis Framework

Primary: 50% Cutaneous Vasculitis: Leukocytoclastic Vasculitis
Secondary: CTD: SLE, RA
Diagnosis Framework ... Small Vessel: Petechiae ... , Palpable purpura ... : - Ig A (HSP) ... #differential #diagnosis
Dermatologic Manifestations of Granulomatosis with Polyangiitis (GPA)

Skin involvement in granulomatosis with polyangiitis (GPA) is common and
Findings: • Petechiae ... , Palpable purpura ... sensation or pain: • Petechiae ... • Palpable purpura ... Differential Diagnosis
Bleeding manifestations 
Petechiae are small, flat, red, discrete areas of skin bleeding that are typically <2
manifestations Petechiae ... from coalesced petechiae ... Purpura due to vasculitis ... 1 and 2) #Petechiae ... #Purpura #Bruise
Vasculitis - Differential Diagnosis Framework

When to Consider Vasculitis:
• Purpura, ischemic skin lesions
• Mononeuritis multiplex
• Hematuria, proteinuria,
tender pulses, bruits ... deficits vascular bruits ... of shoulder and hip ... ) • Palpable purpura ... ) • Palpable purpura
Primary Dermatological Lesions
Primary lesions are physical changes in the skin considered to be caused directly by
PETECHIAE and PURPURA ... : Petechiae are ... and may be palpable ... nettle sting #Diagnosis ... Nomenclature #Atlas #Key #Basics