Respiratory Flashcards
Give 4 sx of COPD
Productive cough
SOB
Wheeze
recurrent infections
How is SOB measured in COPD
MRC Dyspnoea scale
Signs of COPD
Use of accessory muscles
asterixis
Pursed lip breathing
Tachypnoea
Hyperinflation - barrel chest
decreased cricosternal distance
reduced chest expansion
hyperesonant - percussion
decreased breath sounds
wheeze
How does smoking cause COPD
Stimulates neutrophil elastase leading to destruction
Ix COPD
CXR
FBC
ABG
ECG
Spirometry
CXR findings in COPD
Hyperinflation
bullae
flat hemidiaphragm
Conservative management of COPD
Smoking cessation
pulmonary rehab
vaccination
signs of asthma
tachypnoea
chest hyperexpansion
hyper resonant
wheeze - polyphonic
Harrisons sulci
Investigations for asthma
Spirometry with BDR
FeNO >40ppb - eosinophilic airway inflammation
Peak flow variability >20%
Asthma triggers
Animals
infection
meds
cold weather
dust / mould
emotions
conservative asthma management
Education
smoking cessation
annual r/v
decrease weight
annual influenza
decrease exposure to triggers
sx of asthma exacerbation
worsening SOB
Use of accessory muscles
worsenign wheeze
tachpnoea
reduced air entry
investigations for asthma exacerbation
Bloods - FBC / CRP
PEFR
ABG - T2RF
CXR
Signs of life threatneing asthma exacerbation
33 92
Cyanosis
Hypotension
Exhaustion
Silent chest
Tachycardia
requirements for hospital discharge following exacerbation
PEF > 75% Predicted
inhaler technique checked
stable on meds for 12-24 hours
community management of asthma - adult
4 puffs
2 puffs every 2 mins
max 10 puffs
rpt every 20 mins
community management of asthma exacerbation - child
1 puff every 30-60s
max 10 puffs
Bronchiectasis causes
pneumonia
CF
Idiopathic
TB
Lung cancer
Bronchiectasis features
Productive cough
Sputum
dyspnoea
haemoptysis
clubbing
coarse inspiratory crackles
wheeze
Investigations for bronchiectasis
CXR - Thickened bronchial walls
Sputum culture + bloods
Spirometry - obstructive
High resolution CT - Diagnostic
Dilated airway and signet rings
Bronchiectasis management
smoking cessation
physiotherapy
education
Abx - azithromycin
Bronchodilators - wheeze / sob
RF for lung cancer
smoking
silica
coal
asbestos
radiation
HIV
Features of lung cancer
cough
SOB
Haemotysis
hoarse voice
fever
Squamous cell carcinoma paraneoplastic syndrome
PTH-rp –> Hypercalcaemia
2ww referral criteria for lung cancer
CXR suspicious findings
> 40 + unexplained haemoptysis