58 results
Dermatological semiology of Cutaneous Vasculitis 

Clinicopathologic correlations
 • Purpura, papules, pustules, necrosis: involvement of small vessels
Identification of causes ... Connective tissue disease ... dermatology #semiology #signs ... lesions #diagnosis #clinical ... pathology #lesions #differential
Anaplasma Infection - Anaplasma phagocytophilum
Pathophysiology: 
 • Obligate, intracellular bacteria
 • Transmitted via blacklegged tick —
phagocytophilum Pathophysiology ... scapularis • Infects ... within morulae Signs ... myalgias, shaking chills ... ), cough (30% cases
Vasculitis and Vasculitides - Differential Diagnosis Framework

When to Consider Vasculitis:
 • Purpura, ischemic skin lesions
 •
- Differential ... ) - Affects the ... tract, and often causes ... Differential ... purpura: strong sign
Ankylosing Spondylitis: Pathogenesis and Clinical findings
 • Pain in lumbar area and gluteal region: (Dull, insidious
Pathogenesis and Clinical ... more constant as disease ... prominently in Achilles ... AnkylosingSpondylitis #pathophysiology ... #diagnosis #signs
Portal Hypertension - Differential Diagnosis
Portal Pressure = the pressure difference between the pressure in the portal
Hypertension - Differential ... >10 mmHg - clinically ... significant portal HTN Signs ... obstruction) • Lack of signs ... Veno-occlusive disease
Alzheimer’s Disease: Pathogenesis and Clinical Findings
Risk factor for Late Onset Alzheimer's (99% of cases):
 - Increasing
Alzheimer’s Disease ... Pathogenesis and Clinical ... chromosome 21) Signs ... AlzheimersDisease #Dementia #pathophysiology ... geriatrics #diagnosis #signs
Vasculitis - Differential Diagnosis Framework

When to Consider Vasculitis:
• Purpura, ischemic skin lesions
• Mononeuritis multiplex
• Hematuria, proteinuria,
Vasculitis - Differential ... Differential Diagnosis ... purpura: Strong sign ... impairment, neurologic deficits ... tract, and often causes
Hematuria - Differential Diagnosis Framework

Gross Hematuria: Red/Dark urine
 • 1ml blood/liter urine can induce color change
Hematuria - Differential ... basement membrane disease ... hematuria • Signs ... Diagnostic of GN or vasculitis ... of glomerular disease
Clinical Features of Systemic Lupus (SLE)
General: Fever (50%), Depression, Fatigue (75%), Weight loss (50%)
Eye: Sjögrens (15%)
Skin
Clinical Features ... Butterfly rash, Vasculitis ... Restrictive lung defect ... pain (20%) Renal disease ... erythematosus #signs
Brudzinski’s Sign in Meningitis (first described in 19th century by Dr. Josef Brudzinski)

Brudzinski's sign is characterized
Brudzinski’s Sign ... Passive neck flexion causes ... While the pathophysiology ... despite severe disease ... #Meningitis #Clinical