6 results
Approach to the A-a Gradient
A-a gradient = PAO2 - PaO2
A-a gradient = [FiO2 x (Patm -
Hypoventilation Syndrome ... , Muscular Weakness ... Hepatopulmonary Syndrome ... UnremarkableLab #AA ... Hypoxia #hypoxemia #differential
Rheumatoid Arthritis - Signs and Symptoms
 • Ocular: Keratoconjunctivitis sicca, Episcleritis, Scleritis, Scleromalacia perforans
 • Pulmonary:
Scleromalacia perforans • Pulmonary ... Rheumatoid nodules, Vascular ... Tubulo-interstitial nephritis, AA ... Thrombocytosis, Felty's syndrome ... Symptoms #diagnosis #rheumatology
Hepatopulmonary Syndrome - Illness Script
HPS is a pulmonary disorder of chronic liver disease characterized by a
vascular dilatation ... time = increased Aa ... portal HTN • Aa ... gradient ≥15 mmHg ... vascular dilatations
Differentiation Syndrome in APML
Epidemiology:
 • Incidence: common in APL (2-48% depending on the study)
 • Triggers:
Differentiation Syndrome ... Cathepsin G release → vascular ... Imaging: CXR- pulmonary ... initiation • Differential ... Differentiation #Syndrome
Vasculitis - Differential Diagnosis Framework

When to Consider Vasculitis:
• Purpura, ischemic skin lesions
• Mononeuritis multiplex
• Hematuria, proteinuria,
Vasculitis - Differential ... Vasculitis Differential ... pulse deficits vascular ... #Vasculitis #Differential ... #Diagnosis #Rheumatology
Vasculitis and Vasculitides - Differential Diagnosis Framework

When to Consider Vasculitis:
 • Purpura, ischemic skin lesions
 •
- Differential ... /or pulmonary capillaritis ... bullous or vesicular ... • Cogan Syndrome ... #diagnosis #rheumatology