MRCP Respiratory Flashcards
Which occupational lung disease is most likely to predispose a patient to developing TB?
Silicosis
toxic to macrophages
Benign ovarian tumour, ascites & pleural effusion
Meigs syndrome
Criteria for LTOT
PaO2 <7.3 when stable
PaO2 between 7.3 - 8 when stable & concurrent 2ry polycythaemia, pulmonary hypertension, peripheral oedema or nocturnal hypoxaemia
Features of SVC obstruction
Headache, distended neck veins, fixed elevated JVP, facial & periorbital swelling (&conjunctival)
IECOPD commonest organisms
Haemophilus influenza (commonest) Also moraxella catarrhalis, strep pneumoniae
Epworth sleepiness score above what indicates OSA?
Score of 11 or above
out of 24
Commonest cause of occupational asthma
Isocyanates
Followed by flour/grain
Haemoptysis, non-smoker, cherry red spot on bronchoscopy
Bronchial carcinoid
Bi-hilar lymphadenopathy, erythema nodosum, fever, arthralgia
Lofgren syndrome
Treatment for legionella pneumonia
Clarithromycin/erythromycin
Antibiotic choice for mycoplasma pneumonia
erythromycin/clarithromycin
Most common pathogen in CAP
Strep pneumoniae
Pathogen causing flu-like illness, cough, raised LDH & cold haemolysis
Mycoplasma pneumoniae
Which pathogen is a cause of LRTI associated with reactivation of herpes simplex virus?
Strep pneumoniae
Definitive investigation of active TB?
Respiratory secretions (eg sputum) positive for mycobacterium tuberculosis