Respiratory Shorts Flashcards
1
Q
Respiratory causes of clubbing
A
- Lung adenoCa
- Suppurative lung disease- bronchiectasis, lung abscess, empyema
- Idiopathic pulmonary fibrosis, asbestosis
- CF
- Pleural fibroma or mesothelioma
- Mediastinal disease (thymoma, lymphoma, carcinoma)
2
Q
Cardiovascular causes of clubbing
A
- IE
2. Cyanotic congenital heart disease
3
Q
Other causes of clubbing
A
- IBD
- Cirrhosis
- Coeliac disease
- Thyrotoxicosis
- Brachial AV aneurysm or arterial graft sepsis
- Neurogenic diaphragmatic tumours
- Familial or idiopathic
- Hemiplegic stroke
4
Q
Light’s definition of transudative effusion
A
Pleural:serum protein < 0.5
Pleural:serum LDH < 0.6
Pleural LDH < 2/3 ULN
5
Q
Causes of transudative effusion
A
- Cardiac fialure
- Nephrotic syndrome
- Liver failure
- Meig’s syndrome (ovarian fibroma and pleural effusion)
- Hypothyroidism (classically exudate though)
6
Q
Causes of exudative effusion
A
- Pneumonia
- Neoplasma
- Tb, sarcoid
- Pulmonary infarction
- Subphrenic abscess
- Pancreatitis
- CTD- RA, SLE
- Drugs- nitrofurantoin (acute), methysergide (chronic), drugs causing lupus, chemo agents, bromocriptin
- Radiation
7
Q
Causes of bronchial breath sounds:
A
- Lobar pneumonia
- Localised fibrosis or collapse
- Above a pleural effusion
- Large lung cavity
8
Q
Causes of reduced breath sounds
A
- Emphysema
- Large lung mass
- Collapse, fibrosis, pneumonia
- Effusion
- PTX
9
Q
Causes of homogenous opacity on CXR
A
- Pneumonia - lobar or segmental
- Collapse
- Effusion
10
Q
Causes of localised non-homogenous opacity
A
- Pneumonia
- Infarct
- Carcinoma
- Tb
11
Q
Causes of diffuse miliary opacities (defined as <2mm)
A
- Miliary Tb
- Miliary mets (esp breast, thyroid, melanoma, pancreas)
- Sarcoid
- Pneumonconiosis
- Lymphoma, often with hilar LN enlargement
- Lymphangitis
- Viral pneumonia
- Vasculitis
- Haemorrhage
12
Q
Causes of nodular diffuse opacities (3-10mm)
A
- Pneumonia
- Pneumoconiosis
- Tb
- Metastatic Ca
- Sarcoidosis
13
Q
Causes of reticular (linear) opacities
A
- Fibrosis
2. Bronchiectasis
14
Q
Causes of cavitated lesions
A
- Lung abscess
- Ca (usually SqCC or HL)
- Tb
- Fungi
15
Q
Causes of calcified lesion in lung fields
A
- Tb
- Pneumoconiosis
- Post-chickenpox pneumonia
- Tularaemia