7 results
Approach to the A-a Gradient
A-a gradient = PAO2 - PaO2
A-a gradient = [FiO2 x (Patm -
Hypoventilation Syndrome ... , Muscular Weakness ... UnremarkableLab #AA ... #Gradient #alveolar ... Hypoxia #hypoxemia #differential
Massive Hemoptysis - Differential Diagnosis Framework and Management
Definition: 150-600 mL over 24 hours
Differential Diagnosis:
 • Tracheobronchial:
TB, Mycetoma, Alveolar ... Pneumonitis • Primary Vascular ... : Pulmonary Embolism ... Diagnosis #Management #pulmonary ... #criticalcare
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
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
SLE (Systemic Lupus Erythematosus)

Suspect:
Clinical evidence of (fatigue, rash, photosensitivity, inflammatory arthritis, weight loss, and fever) and
Erythematous, macular ... permanent alopecia Differential ... Non-autoimmune rheumatologic ... pneumonitis • Diffuse alveolar ... Erythematosus #Diagnosis #Rheumatology