13 results
Vasculitis: In this instance, the vasculitic skin lesions were secondary to Haemophilus endocarditis.
Photo credit, Josh Fierer,
skin lesions were ... Photo credit, Josh ... Fierer, M.D. ... #Dermatology #SkinRash ... #Vasculitis #Endocarditis
Petechiae/Purpura - Diagnostic Algorithm. Pathophysiology: 1) Represent the passage of erythrocytes from the intravascular to extravascular
Petechiae/Purpura - Diagnostic ... Palpable: 1) If lesions ... . 2) When cutaneous ... pulmonary #Diagnosis ... #Dermatology #Rash
Causes of Petechial Rash - Differential Diagnosis Algorithm

Pinpoint areas (less than 2 mm) of hemorrhage, which
- Differential Diagnosis ... reddish-purple lesions ... Schonlein Purpura - Endocarditis ... (lupus, RA, Sjogren's ... Algorithm #Causes #dermatology
Petechial/Purpuric Rashes- THE ALGORITHMIC APPROACH 

These rashes can be especially challenging and are
associated with devastating differential
gonococcal disease, endocarditis ... petechial or purpuric rash ... may have a vasculitis ... #Diagnosis #Dermatology ... Purpural #Purpuric #Rash
Clinical Features of Systemic Lupus (SLE)
General: Fever (50%), Depression, Fatigue (75%), Weight loss (50%)
Eye: Sjögrens (15%)
Skin
Features of Systemic Lupus ... Photosensitivity, Butterfly rash ... , Vasculitis, Purpura ... Pericarditis, Endocarditis ... signs #symptoms #diagnosis
Skin Conditions Associated with Joint Pain

Rash
	• Human parvovirus B19 infection

Malar rash
	• SLE
	• Human parvovirus B19 infection
	•
Joint Pain Rash ... Discoid skin lesions ... • Discoid lupus ... Sarcoidosis #dermatology ... #differential #diagnosis
Lupus (SLE): Mucocutaneous Manifestations

 • Langerhan cells and keratinocytes release cytokines -> localized inflammatory response ->
response -> Subacute cutaneous ... lesions and plaques ... Malar (butterfly) Rash ... Livedo Reticularis, Vasculitis ... pathophysiology #diagnosis
Vasculitis and Vasculitides - Differential Diagnosis Framework

When to Consider Vasculitis:
 • Purpura, ischemic skin lesions
 •
ischemic skin lesions ... mucositis - Rash ... aphthous ulcers, cutaneous ... such as systemic lupus ... strong sign of cutaneous
SLE (Systemic Lupus Erythematosus)

Suspect:
Clinical evidence of (fatigue, rash, photosensitivity, inflammatory arthritis, weight loss, and fever) and
papulosquamous lesions ... Differential Diagnosis ... • Libman-Sacks endocarditis ... Vasculitis: • ... Erythematosus #Diagnosis
Cutaneous larva migrans skin Rash
25 F recent Caribbean vacation, walked barefoot on sand and now with
. diagnosis? ... serpiginous skin lesion ... unless multiple lesions ... migrans #skinRash #dermatology ... #clinical #photo