What does COPD stand for?
Chronic obstructive pulmonary disease
What is the definition of COPD? (3 points)
What are the CF of COPD? (13 things)
What recurrent thing will COPD pt complain of?
Recurrent chest infections
What are some DDx that present similarly to COPD? (5 things)
How can you differentiate Asthma from COPD? (4 things)
Asthma has:
1. Diurnal variation in symptoms + Peak flow
1. Atopy Hx
1. Eosinophilia (blood + sputum)
1. Bronchodilator reversibility (do Lung function tests to c)
How can you differentiate Bronchiectasis from COPD? (3 things)
Bronchiectasis has:
1. More sputum
1. More frequent LRTIs (starts in childhood)
1. Bronchial dilation (do CT to c)
How can you differentiate CHF from COPD? (6 things)
CHF has:
1. Orthopnoea (SOB lying down)
1. PND
1. CVS Hx
1. Fine basal inspiratory crepitations
1. Elevated BNP
1. Reduced EF (do echo to c)
How can you differentiate Lung cancer from COPD? (3 things)
Lung cancer has:
1. WL
1. Haemoptysis (proper)
1. Tumour presence (do CXR / bronchoscopy to c)
How can you differentiate TB from COPD? (3 things)
TB has:
1. WL
1. Night sweats
1. Positive sputum culture / microscopy
What scoring system does NICE recommend to assess SOB of COPD pt?
MRC Dyspnoea Scale
What are the grades in the MRC Dyspnoea Scale? (5 things)
What is the Dx of COPD based on? (2 things)
What will Spirometry show in COPD?
What other investigations can you do to help Dx / exclude DDx? (7 things)
What are exacerbations of COPD usually due to?
Infections
(so they’re called Infective exacerbations)
What investigation should you do in COPD exacerbation?
ABG
What will the ABG show in ACUTE exacerbation of COPD?
Resp acidosis
What does the ABG show in Resp acidosis aka ACUTE exacerbation of COPD? (2 things)
What does the results of Resp acidosis mean?
Pt not able to get rid of CO2 acutely, so blood becomes acidotic
(Low pH + Raised pCO2)
What does a raised Bicarbonate indicate in ABG of COPD? (2 things)
What happens to Bicarbonate levels in ABG of acute exacerbation of COPD? (2 steps)
What result in an ABG indicates Resp FAILURE?
Low pO2 (aka hypoxia)
What are the ABG results of Type 1 Rep Failure? (2 things)