9 results
Petechial/Purpuric Rashes- THE ALGORITHMIC APPROACH 

These rashes can be especially challenging and are
associated with devastating differential
versus nonpalpable lesions ... If the lesions are ... with nonpalpable lesions ... with palpable lesions ... with nonpalpable lesions
Causes of Petechial Rash - Differential Diagnosis Algorithm

Pinpoint areas (less than 2 mm) of hemorrhage, which
Rash - Differential ... Diagnosis Algorithm ... reddish-purple lesions ... Hypotension • Mucosal lesions ... #Petechiae #Rash
Petechiae/Purpura - Diagnostic Algorithm. Pathophysiology: 1) Represent the passage of erythrocytes from the intravascular to extravascular
Petechiae/Purpura ... - Diagnostic Algorithm ... Palpable: 1) If lesions ... #Dermatology #Rash ... #Differential #
Maculopapular - Diagnostic Algorithm
Pathophysiology:
- Catch-all term with a wide range of potential pathophysiologic mechanisms and causative
erythroderma, petechiae ... or fluid-filled lesions ... Mucocutaneous or ocular lesions ... #Dermatology #Rash ... #Differential #
Dermatologic Manifestations of Granulomatosis with Polyangiitis (GPA)

Skin involvement in granulomatosis with polyangiitis (GPA) is common and
vasculitis Skin lesions ... • Painful skin lesions ... Papulo-necrotic lesions ... reticularis • Necrotic lesions ... gangrene Skin lesions
Vasculitis - Differential Diagnosis Framework

When to Consider Vasculitis:
• Purpura, ischemic skin lesions
• Mononeuritis multiplex
• Hematuria, proteinuria,
ischemic skin lesions ... , mucositis • Rash ... Vasculitis: • Skin lesions ... maculopapular lesions ... Ocular inflammatory lesions
Vasculitis and Vasculitides - Differential Diagnosis Framework

When to Consider Vasculitis:
 • Purpura, ischemic skin lesions
 •
ischemic skin lesions ... mucositis - Rash ... Ocular inflammatory lesions-interstitial ... Presentation - Systemic Symptoms ... #diagnosis #rheumatology
SLE (Systemic Lupus Erythematosus)

Suspect:
Clinical evidence of (fatigue, rash, photosensitivity, inflammatory arthritis, weight loss, and fever) and
papulosquamous lesions ... permanent alopecia Differential ... Non-autoimmune rheumatologic ... Induced Lupus: • Symptoms ... Erythematosus #Diagnosis #Rheumatology
Autoimmune Myositis - Differential Diagnosis Framework

Inflammatory Myopathies: Commonly symmetric proximal muscle weakness, no substantial muscle pain
Autoimmune Myositis - Differential ... RP-ILD), dermato-rheumatologic ... Anti-Mi2 (skin lesions ... : • Gottron rash ... #differential #