17 results
Petechiae/Purpura - Diagnostic Algorithm. Pathophysiology: 1) Represent the passage of erythrocytes from the intravascular to extravascular
- Diagnostic Algorithm ... Pathophysiology: ... #Palpable #Algorithm ... #Differential # ... Ddxof
Petechial/Purpuric Rashes- THE ALGORITHMIC APPROACH 

These rashes can be especially challenging and are
associated with devastating differential
Rashes- THE ALGORITHMIC ... , an algorithmic ... in vasculitic diseases ... , the differential ... #Differential
Causes of Petechial Rash - Differential Diagnosis Algorithm

Pinpoint areas (less than 2 mm) of hemorrhage, which
Petechial Rash - Differential ... Diagnosis Algorithm ... lesions • Severe pain ... Rash: - Purpura ... #Diagnosis #Algorithm
Skin Conditions Associated with Joint Pain

Rash
	• Human parvovirus B19 infection

Malar rash
	• SLE
	• Human parvovirus B19 infection
	•
Associated with Joint Pain ... Crohn's disease Palpable ... vasculitis • ... #skin #rashes #differential ... #diagnosis #rheumatology
Polyarteritis Nodosa (PAN): Pathogenesis and Clinical Findings

Medical Comorbidities Malignancies (most commonly hairy-cell leukemia)
Immunogenetic Predisposition: patient is
endothelial cells - Palpable ... or necrotic purpura ... PolyarteritisNodosa #Pathophysiology ... #Diagnosis #Signs ... #Symptoms #Vasculitis
Vasculitis - Differential Diagnosis Framework

When to Consider Vasculitis:
• Purpura, ischemic skin lesions
• Mononeuritis multiplex
• Hematuria, proteinuria,
Vasculitis - Differential ... Differential Diagnosis ... tract: Abdominal pain ... • Progressive symptoms ... ) • Palpable purpura
Vasculitis and Vasculitides - Differential Diagnosis Framework

When to Consider Vasculitis:
 • Purpura, ischemic skin lesions
 •
- Differential ... Presentation - Systemic Symptoms ... scleritis • Palpable ... Skin -> causing palpable ... differential #diagnosis
Dermatologic Manifestations of Granulomatosis with Polyangiitis (GPA)

Skin involvement in granulomatosis with polyangiitis (GPA) is common and
• Petechiae, Palpable ... burning sensation or pain ... • Petechiae • Palpable ... reticularis Differential ... Diagnosis: Vasculitis
Meralgia paresthetica: Pathogenesis and Clinical Findings
Compression/injury of Lateral Femoral Cutaneous Nerve (LFCN) -> Meralgia paresthetica
 •
strength, reflexes), palpable ... Raise Test - Pain ... MeralgiaParesthetica #MSK #pathophysiology ... #differential # ... diagnosis #signs
Maculopapular - Diagnostic Algorithm
Pathophysiology:
- Catch-all term with a wide range of potential pathophysiologic mechanisms and causative
Maculopapular - Diagnostic ... Algorithm Pathophysiology ... sulfa-drug - Skin pain ... #Differential # ... Ddxof