Respiratory Flashcards
What are blue bloaters and pink puffers?
Blue bloater = Chronic bronchitis
Pink puffer = emphysema
What pattern would you see on spirometry in airways obstruction?
reduced FEV1, reduced FEV1:FVC ratio
What would you see on spirometry in airways restriction?
Reduced FEV1 and FVC
What signs might you see on CXR in a patient with COPD/emphysema?
hyperinflation of lungs
prominant hilar vascular shadow
darker/blacker lung fields
What is silent chest?
Sign of a life threatening asthma attack, patient can not exhale
What medicaiton is contraindicated in asthma?
Beta blockers
What test to distinguish asthma and COPD?
Reversibility testing
Describe reversibility testing
if there is an increase of 400ml in FEV1 with 4-8 weeks of an inhaler than asthma is likely
What to do if a low dose ICS is not sufficiently managing the asthma?
Add long acting beta agonist
If the LABA and inhaled steroid is insufficient what is the next step?
Increase dose of LABA if some effect is seen
Stop LABA and increase ICS if no effect from LABA is seen
Signs of a “life threatening” asthma attack
silent chest
sats < 92
altered consciousness
Sign of a “severe” asthma attack?
Inability to complete full sentences
What is the immediate management of an asthma attack?
Oxygen
Salbutamol
Prednisolone
Describe what happens to the airway in bronchiectasis?
Widened airway lumen
Thick airway wall
Increased mucous
What radiological signs appear in bronchiectasis?
tram track appearance on CXR
Signet ring apearance on CT
What organism causes exacerbations in CF bronchiectasis?
pseudomonas
Antibiotic against pseudomonas?
Macrolide e.g. erythromycin
How is CF diagnosed?
Sweat test
Blood test result in sarcoidosis
Increased ACE
What is the gold satandard investigation for sarcoidosis?
biopsy of lung tissue/skin/swollen lymph nodes
What is seen on CT in idiopathic pulmonary fibrosis?
Honeycombing
What medication is used to slow the progression of idiopathic lung disease?
Perfenidone
What is affected in goodpasture’s syndrome?
Lungs & kidneys: haemoptysis and haematuria
What antibody is responsible for goodpasture’s syndrome?
Anti GBM (glomerular basement membrane)
Treatment for goodpasture’s?
Plasma exchange and corticosteroids
What antibody is associated with Wegener’s granulomatosis?
cANCA (90%)
A patient with penumonia and a past history of COPD, what is the most likely organism?
Haemophilus influenzae
Causes of respiratory alkalosis
PE Hyperventilation Altitude Pregnancy CNS disorders e.g. stroke
Causes of respiratory acidosis
COPD
Life threatneing asthma
opiate overdose
What is the paraneoplastic syndorme associated with non-small cell lung carcinoma?
Hypercalcaemia due to incresased parathyroid hormone
What is beclometasone dipropionate?
Inhaled corticosteroid
Side effect of inhaled corticosteroid?
Growth retardation in children, oral candidiasis
First line treatment for COPD?
SABA or SAMA
2nd line treatment for COPD if there are no asthmatic features?
Add a LABA and a LAMA
2nd line treatment for COPD if there ARE asthmatic features?
Add a LABA and an ICS
What is added to a SABA in asthmatics poorly controlled?
Low dose ICS
3rd step in asthma control?
(SABA + low dose ICS) + LTRA
Small cell lung carcinoma is associated with what paraneoplastic syndrome?
Hyponatraemia secondary to ADH secretion
Describe the features of klebsiella pneumonia?
Upper lobes
more common in alcoholics and diabetics
Red currant jelly sputum indicates?
Klebsiella pneumonia
Pneumonia following flu is most likely caused by?
staph aureus
Which part of the lung is affected in sarcoidosis?
Upper lobes
Blood gas in life threatening asthma?
Alkalosis
What causes fibrosis of the upper lobes?
Coal worker's pneumoconiosis Histiocyotis Radiation Tuberculosis Silicosis
What causes fibrosis of the lower lobes?
Idiopathic pulmomary fibrosis
SLE
asbestosis
Which lung cancer causes cushing’s syndrome?
Small cell lung cancer
Blood abnormality in sarcoidosis?
Hypercalacaemia
How is asthma diagnosed in adults?
Fractional exhaled Nitric Oxide (FENO) testing
primary pneumothorax,rim of air is < 2cm and the patient is not short of breath.. treatment?
Discharge
Primary pneumothorax >2cm and symptomatic, treatment?
aspiration, followed by chest drain f that doesn’t work
prevention of pneumothorax?
Stop smoking
1st line treatment of secondary pneumothorax in a patient >50 and an air rim >2cm?
chest drain, not aspiration
What features of an aspirate make you think empyema?
pH <7.2, low glucose, high LDH (lactate dehydrogenase)
What features in COPD suggest a patient may have good response to steroids?
Asthmatic features
What are the asthmatic features which suggest a patient with COPD will have a good response to steroids?
Previous asthma
HIgh eosinophils in blood
Dirunal variation
How is idiopathic pulmonary fibrosis diagnosed?
High resolution CT scan
What is the scoring system to assess severity of pneumonia?
CURB 65
What are the features of a CURB 65 assessment?
Confusion Urea > 7mmol Resp rate >30 Blood pressure <90/60 65 - Age 65+
If the CURB 65 score is 0-1 how is a patient managed?
Home antibiotics
If the CURB 65 score is 2 how is a patient managed?
Consider hospital admission
If the CURB 65 score is 3 how is a patient managed?
Consider intensice care assessment
What is 1st line treatment for moderate-high severity pneumonia?
Amoxicillin + macrolide, 7-10 day course
Treatment of secondary pneumothorax <2cm?
Aspiration
Treatment of secondary pneumothorax <1cm?
Admit on oxygen
Treatment for sleep apnoea?
Overnight CPAP
Waht conditions give a RAISED TLCO? (Total lung CO carrying)
Asthma
Left to right cardiac shunt
COPD symptoms in a young non smoker may point to a diagnosis of…
Alpha-1 antitrypsin deficiency
Causes of exudative pleural effusion? (high protein)
pneumonia connective dissue disease cancer TB Pancreatitis
Causes of transudative pleural effusion?
Heart failure
Hypoalbuminaemia
Hypothyroidism
Features of Kartagener’s syndrome/primary ciliary dyskinesia
Bronchiectasis
Subfertility in males
Dextrocardia
Recurrent sinusitis
Asthmatics not well controlled on salbutamol and inhaled corticosteroid. What should be added?
LTRA
Exudate vs transudate?
Exudate exudes PROTEIN. Effusion fluid protein/serum protein ratio >0.5
What are indications for steroids in sarcoidosis?
hypercalcaemia
eye, heart or neuro involvement
Paraneoplastic syndromes caused by Small Cell Lung cancer?
SiADH - hyponatraemia
ACTH - Cushing’s
Lambert eaton syndrome
Paraneoplastic syndromes caused by Squamous cell cancer?
Hypercalcaemia
Hyperthyroidism
Name a respiratory complication seen in acute pancreatitis?
Acute Respirastory Distress Syndrome
Causes of acute respiratory distress syndrome?
Sepsis
Massive Blood transfusion
Trauma
What is given in an acute severe asthma attack not responding to o2,salbutamol, ipratropium bromide inhaler and IV hydrocortisone?
Magnesium sulphate
Name drugs linked to pulmonary fibrosis
Amiodarone bleomycin Cyclophosphamide Nitrofurantoin methotrexate penicillamine
Anxiety induced hyperventilation would show wha ton blood gas
Resp alkalosis, low CO2, normal O2
Describe the features of klebsiella?
Upper lobes, history of alcoholism or diabetes
red currant jelly sputum