COPD Flashcards
What is COPD?
What is it a combination of?
What is it a response to?
Progressive airflow obstruction due to a combo of airway disease (chronic bronchitis) & parenchymal disease (emphysema)
Enhanced inflammatory response to particles (e.g. cigarette smoke)
What is chronic bronchitis?
Chronic productive cough for at least 3 months of the year for 2 or more consecutive years
What should be considered as an alternative cause of COPD in someone under 40?
Alpha 1 antitrypsin deficiency
What may be signs of COPD on ECG?
In which leads?
What would this indicate?
Peaked P waves
2, 3, aVF
Cor pulmonale (RVH)
What are 3 contraindications of spirometry?
Recent MI
Surgery
Unstable angina
What results are needed in spirometry?
3 consistent readings (within 100ml or 5% of each other)
What are 2 ways of assessing severity?
FEV1
MRC dyspnoea scale (grade 1-5)
With what MRC score should you consider pulmonary rehab?
MRC >3
What could a FBC show and why?
anaemia or secondary polycythaemia (to compensate for chronic hypoxia)
What is first line treatment for COPD?
SABA or SAMA
What must you do if prescribing a LAMA to someone on SAMA?
Discontinue the SAMA
What is step-up treatment for someone with asthmatic features?
LABA + ICS
e.g. simbacort
What is step-up treatment for someone without asthmatic features?
LABA + LAMA
e.g. enoro elipta
What advice would you give if someone is on a LABA + LAMA inhaler?
Wash mouth out after use to get rid of residue
What is triple therapy for COPD?
LABA + LAMA + ICS
e.g. trimbo
When should someone be referred for LTOT?
O2 sats <92% on room air
Severe airflow obstruction (<30% of predicted value)
What is a COPD rescue pack?
Antibiotics & steroids for someone who has frequent exacerbations
What is the first line abx for COPD exacerbation?
Amoxicillin (or clarithromycin if allergic)
What is pulmonary rehab?
Physical exercise programme, info on symptom management & lung care
Psychological & behavioural education
What are the 3 parts of management for COPD exacerbation?
Short acting bronchodilator
Oral corticosteroids
Oral antibiotics