Respiratory Flashcards
(35 cards)
Which type of lung cancers is associated with smoking?
Squamous cell lung cancer
What is the most common lung cancer in non smokers?
Adenocarcinoma
What type of hypersensitivity mediated Extrinsic allergic alveolitis?
Type III
What is the causative agent of Malt workers lung?
Aspergillus clavatus
What is the MoA of Bupropion?
Norepinephrine - dopamine reuptake antagonist
What is the MoA of Veranicline?
Nicotinic receptor partial agonist
What does a ‘cherry red’ lesion on bronchoscopy indicate?
Lung carcinoid
What are the features of ARDS?
- bilateral crackles
- Increased RR
- dyspnoea
- Low SpO2
What is ARDS?
fluid accumulation in the alveoli due to increased permeability of alveoli capillaries
What causes hypercalcaemia in Sarcoidosis?
Granolumas causes increased conversion of Vitamin D to its active form (1,25 dihydroxycholecalciferol)
What is Lofgren’s syndrome?
Subset of Sarcoidosis characterised by
* polyarthralgia
* fever
* b/l hilar lymphadenopathy
* erythema nodusum
What is Heerfodt’s Syndrome?
Subtype of Sarcoidosis characterised by
* uveitis
* parotiditis
* fever
What are the indications of starting steroids in Sarcoidosis?
P - Parenchymal Lung Disease
U- Uveitis
N- Neurological Involvement
C- Cardiac Involvement
H - Hypercalcaemia
What is Bronchiectasis?
Permament dilatation of the airways 2ndry to chronic inflammation or infection
What are the features of K.pneunmoniae pneumonia?
- common in alcoholics/diabetics
- redcurrant jelly sputum
- upper lobe pneumonia
- common in aspiration pneumonia
Found in the gut, gram negative rod
What are the contraindications to lung cancer surgery?
- FEV1 <1.5
- SVC obstruction
- Metastatic disease
- Disease near the hilar
- malignant pleural effusion
- vocal cord paralysis
What are the paraneoplastic features of small cell lung cancer?
- ACTH
- SIADH
- Lambert - Eaton syndrome
What are the paraneoplastic features of squamous cell lung cancer?
- PTHrp
- clubbing
- TSH
- Hypertrophic pulmonary osteoarthropathy
What are the causes of upper zone fibrosis?
C - Coal workers lung
H - Hypersensitivity pneumonitis, Histiocytosis
A- Ankylosing spondylosis
R - Radiation
T - Tuberculosis
S - Sarcoidosis / Silicosis
What are the causes of lower zone fibrosis?
M - Most connective tissue disease
A - Asbestos
I - Idiopathic pulmonary fibrosis
D - Drugs (Amiodarone, Methotrexate
What are the features of Allergic bronchopulmonary aspergillosis?
- Peripheral eosinophillia
- Asthmatic symptoms
- Raised IgE
- Positive skin test to Aspergillus
- CXR changes
Which antibody is associated with oesinophillic granulomatosis with polyangitis?
anti-MPO
What is the abx of choice for suspected Legionella pneumonia?
Levofloxacin
What is the treatment of Psticcasosi?
Doxycycline
Erythromycin