Respiratory Flashcards
What type of Abx prophylaxis might be given in COPD?
Azithromycin
What are the obstructive lung diseases?
Asthma
COPD
Bronchiectasis
Bronchiolitis obliterans
What is the pattern on pulmonary function test in obstructive lung disease?
FEV1 - significantly reduced
FVC - reduced or normal
FEV1% (FEV1/FVC) - reduced
What are the restrictive lung diseases?
Pulmonary fibrosis Asbestosis Sarcoidosis Acute respiratory distress syndrome Infant respiratory distress syndrome Kyphoscoliosis e.g. ankylosing spondylitis Neuromuscular disorders Severe obesity
What is the pattern on pulmonary function test in restrictive lung disease?
FEV1 - reduced
FVC - significantly reduced
FEV1% (FEV1/FVC) - normal or increased
What are the causes of bilateral hilar lymphadenopathy?
Sarcoidosis TB Lymphoma/other malignancy Pneumoconiosis e.g. berylliosis Fungi e.g. histoplasmosis, coccidioidomycosis
What is the most common organism causing infective exacerbations of COPD?
Haemophilus influenzae
What are Horder’s spots (characteristic facial rash) associated with?
Psittacosis - chlamydia psittaci
What skin manifestation does sarcoidosis cause?
Erythema nodosum
Which lung function parameter tends to be the same in both obstructive and restrictive lung disease?
Tidal volume - approx. 80% of predicted in both types
What type of lung disease is associated with alpha-1-anti-tripsin?
Emphysema (usually in the young)
Which parameter scores the most points in the Wells score for DVT?
Clinical signs and symptoms of DVT = 3 points
Which way does the trachea deviate in tension pneumothorax?
AWAY from the affected side
Which type of pneumonia tends to affect IVDU?
Staphylococcus pneumonia
Which drug is commonly associated with pulmonary fibrosis?
Methotrexate
When should a pneumothorax be aspirated?
When breathless or when rim of air >2cm
Which disease most commonly predisposes to secondary pneumothorax?
COPD
What is the most frequent site of GI TB?
Ileocecal
What is yellow nail syndrome?
Rare genetic condition - yellow thickened nails + lymphoedema + respiratory involvement (e.g. pleural effusions)
What are the criteria for LTOT?
- Non-smokers
- paO2<7.3 when stable (2 measurements, 3 weeks apart) OR paO2 7.3-8 with secondary polycythaemia/peripheral oedema/pulmonary HTN