6509 results
Avascular Necrosis: Pathogenesis and Clinical Findings
 • Physical Trauma (esp. to the scaphoid bone with damage
Avascular Necrosis ... cells => Avascular Necrosis ... hypolucency "Crescent sign ... pathophysiology #diagnosis ... #signs #symptoms
Dermatological semiology of Cutaneous Vasculitis 

Clinicopathologic correlations
 • Purpura, papules, pustules, necrosis: involvement of small vessels
papules, pustules, necrosis ... Nodules, livedo, necrosis ... dermatology #semiology #signs ... #lesions #diagnosis
Core IM: Pearls on Contrast-Induced Nephropathy

Definition: 
 • no slam dunk criteria 
 • definition in
acute tubular necrosis ... Diagnosis: • ... look for signs ... sensitivity —100%) #Diagnosis
Polyarteritis Nodosa (PAN): Pathogenesis and Clinical Findings

Medical Comorbidities Malignancies (most commonly hairy-cell leukemia)
Immunogenetic Predisposition: patient is
- Palpable or necrotic ... Pathophysiology #Diagnosis ... #Signs #Symptoms
Dermatomyositis (DM) and Polymyositis (PM): Pathogenesis and clinical findings
Elevated Antinuclear Antibodies: Anti-Jo-1, Anti-OJ, Anti-Mi2, Anti-SRP, Anti-EJ,
Perivascular, Capillary necrosis ... Findings: Muscle necrosis ... Polymyositis #PM #Diagnosis ... Pathophysiology #Signs
Cullen's sign. Lipase 1,781. Bruising in the skin around the umbilicus. This sign is named after
Cullen's sign. ... to pancreatic necrosis ... Diagnosis and Context ... is not diagnostic ... important in the diagnostic
Clinical Features of Systemic Lupus (SLE)
General: Fever (50%), Depression, Fatigue (75%), Weight loss (50%)
Eye: Sjögrens (15%)
Skin
(90%): Aseptic necrosis ... erythematosus #signs ... #symptoms #diagnosis
Compartment Syndrome Pearls
A vicious cycle of increased pressure within a facial compartment leading to compression of
hypoxia → Ischemia → Necrosis ... Swelling 2° to necrosis ... Diagnosis: PAIN ... rest are late signs ... absence of other signs
IgA Vasculitis – Henoch Scholein Purpura: Pathogenesis and Clinical Findings

 - Infectious Agents - 50% have
biologics (tumor necrosis ... 10-50%) - HTN, nephrotic ... Pathophysiology #Diagnosis ... #Signs #Symptoms
Hematuria - Differential Diagnosis Framework

Gross Hematuria: Red/Dark urine
 • 1ml blood/liter urine can induce color change
- Differential Diagnosis ... hematuria • Signs ... - RBC casts → Diagnostic ... • Papillary necrosis ... #Differential #Diagnosis