71 results
Small Vessel Vasculitides
 • Granulomatosis with polyangiitis - Granulomatous manifestations (e.g., nasal crusting, destructive sinusitis, pulmonary
Small Vessel Vasculitides ... destructive sinusitis, pulmonary ... - Interstitial lung ... disease • Eosinophilic ... Cryoglobulinemic vasculitis
Obstructive Lung Diseases - Pathophysiology

 • Chronic Bronchitis
 • Emphysema
 • Asthma
 • Bronchitis

Sarah Lyon @sarahthelyon

#Obstructive
Obstructive Lung ... Diseases - Pathophysiology ... #Obstructive #Lung ... #Diseases #Pathophysiology ... #Pulmonary
Interstitial Lung Diseases (ILD)
Exposure-Related ILD (a.k.a. extrinsic allergic alveolitis): 
 • Hypersensitivity pneumonitis, Farmer's lung, Bird
Diseases (ILD) ... • Idiopathic pulmonary ... Sarcoidosis • Vasculitis ... Acute, Chronic • Pulmonary ... #differential #pulmonary
Vasculitis and Vasculitides - Differential Diagnosis Framework

When to Consider Vasculitis:
 • Purpura, ischemic skin lesions
 •
progressing GN • New pulmonary ... glomerulonephritis and/or pulmonary ... arthritis, obstructive pulmonary ... Presentation - Systemic Symptoms ... Lab Tests: • CBC
Clinical Classification of Pulmonary Hypertension

1. Pulmonary arterial hypertension from pulmonary vasculopathy
Idiopathic pulmonary arterial hypertension
Heritable gene mutations
due to lung disease ... lung disease Other ... pulmonary disease ... neurofibromatosis, vasculitis ... , Gaucher disease
Hemoptysis Differential Diagnosis Framework
Cardiovascular: Pulmonary embolism, Heart failure, Vasculitis, Valvular disease, Arteriovenous malformation
Pulmonary - Airway: Bronchitis,
Cardiovascular: Pulmonary ... Heart failure, Vasculitis ... , Valvular disease ... Arteriovenous malformation Pulmonary ... Parenchyma: Pneumonia, Lung
Pulmonary Renal Syndrome

Definition: Diffuse alveolar hemorrhage + Glomerulonephritis
Presentation (Pulmonary and renal manifestations can occur weeks apart):
Pulmonary Renal ... ANCA-positive vasculitis ... ANCA-negative vasculitis ... IgA-associated vasculitis ... Investigations • Labs: CBC
ILD of Known Cause - Differential Diagnosis
Exposure:
 • Occupational: Asbestosis, Silicosis, Hypersensitivity, Pneumonitis
 • Treatment Related:
Chemotherapeutic Systemic Disease ... Granulomatous DX with Vasculitis ... Connective Tissue Disease ... #interstitial #lung ... #disease #pulmonary
Causes of Dyspnea - Differential Diagnosis Algorithm
Cardiac:
 • Dysrhythmia
 • Ischemia
 • Cardiomyopathy
 • Valvular disease
Cardiomyopathy • Valvular disease ... disease • Asthma ... • Interstitial lung ... disease Vasculature ... hypertension • Vasculitis
Rheumatoid arthritis (RA): Extra-articular manifestations
Skin: 
 • Inflammation of skin (esp. over areas of stress) forms
blood vessels (vasculitis ... cause interstitial lung ... disease/pulmonary ... RheumatoidArthritis #RA #pathophysiology ... #signs #symptoms