L1: Symptoms and signs of respiratory disease Flashcards
six common respiratory symptoms
breathless cough sputum haemoptysis wheeze chest pain
what is breathlessness
an unpleasant sensation of a feeling of increased demand for breathing
what is breathlessness called
dyspnoea
what is breathlessness related to (3)
work of breathing
increased ventilation
respiratory muscle weakness
4 causes of sudden (minutes) breathlessness
pulmonary oedema pneumothorax PE anaphylaxis foreign body inhalation
4 causes of rapid (hours) breathlessness
acute asthma
pneumonia
pulmonary oedema
acute hypersenstivity pneumonitis
4 causes of subacute (weeks) breathlessness
heart failure
pleural effusion
anaemia
lung cancer
4 causes of slow breathlessness onset
COPD
interstitial lung disease
pneumoconiosis
pulmonary artery hypertension
what mediates cough
airway nerves
4 causes of cough hypersensitivity (there are many more)
ACE inhibitors
left heart failure
infection
asthma
why do ACE increase cough sensitivity
their effect on breakdown of bradykinin
3 characteristics of sputum
colour
volume
taste/ odour
3 types of colour of sputum
mucoid
purulent
blood stained
purulent=
yellow/ green
what causes purulent yellow/green
myeloperoxidase
what causes green sputum in infection
neutrophils
what causes green sputum in eosinophils
asthma
haemoptysis=
coughing up blood
causes of haemoptysis 6
lung cancer TB bronchiectasis pulmonary oedema pulmonary embolism pneumonia
what is a wheeze
musical noise produced by air moving through narrowed airways
when does a wheeze happen
on expiration
causes of wheeze
asthma
COPD
stridor=
inspiratory noise
causes respiratory chest pain (3)
pleurisy
upper retrosternal pain
retrosternal pain