Pulmonary Vascular Disease Flashcards
What is Virchow’s Triad?
Stasis
Injury
Hypercoagulability
What is Group 4 pulmonary hypertension?
Chronic thromboembolic disorders
Type I Pulmonary Hypertension
Pulmonary arterial hypertension (PAH)
Pre-capillary
Type II Pulmonary Hypertension
Pulmonary venous hypertension, Left Heart (most common) –> pressures back up into the Right Heart
Type III Pulmonary Hypertension
Respiratory disorders (FVC < 70%)
Type V Pulmonary Hypertension
Miscellaneous– other causes (Sarcoidosis)
What is the mutation that leads to heritable pulmonary arterial hypertension?
BMPR2 inactivation mutation
On the long arm of chromosome 2
Autosomal dominant
Pathophysiology of pulmonary hypertension — also targets for therapy
Decreased prostacyclin pathway
Decreased Nitric Oxide pathway
Increased Endothelin pathway
What are some alveolar hemorrhage syndromes??
Anti-basement membrane antibody disease (Goodpasture’s)
Anti-neutrophil cytoplasmic antibody (ANCA) associated vasculitis (Wegener’s)
Idiopathic pulmonary hemosiderosis
Collagen vascular diseases (SLE)
What is the classic triad for Pulmonary vasculitis?
Hemoptysis
Pulmonary infiltrates
Anemia
Where do 60-90% of PE’s originate?
Proximal deep veins of the legs
What is the classic triad for Pulmonary vasculitis?
Hemoptysis
Pulmonary infiltrates
Anemia