Caseloads Flashcards
What are the trade names of salbutamol and ipratropium
Ventolin - salbutamol
Antravent - ipratroprium
What percentage of FEV1 reversibility are you looking for when giving salbutamol 400 ?micrograms?
15% reversibility
Why do you give saline during a skin prick test?
To see if they are allergic to the metal in the lancet used to deliver the skin prick test
What skin prick tests are done to check for atopy?
Histamine (control) HO - HDM - house dust mite Cat Grass Aspergillus Dog
What are you looking for on a skin prick test?
Check for the diameter of the reactions compared to histamine/saline
What is PC?
Provocation concentration
Histamine challenge - concentration causing 20% fall in FEV1
looks at airway hyperreponsiveness
What is fenofexadine taken for?
Hayfever
Classification of asthma is now dependent upon what? What are the things you look at?
Occurene of symptoms
Well/party/poorly controlled
Look at:
Daytime symptoms Limitations of activiites Nocturnal symptoms or awakening Need for reliever ???
Another name for type 1 failure
Hypoxemic respiratory failure
Problem in lung
Causes of type 1 failure
Lung failure
e.g. pneumonia, PE, oedeam, ARDS, fibrosis, collapse, pneumothorax etc
VQ mismatch
Diffusion defet
Inadequate FIO2
R-L shunt
Another name for type 2 failure
Hypercapnic resp failure
Causes of type 2 failure
Reduced resp drive e.g. drug overdose, head injury
Upper airway obstruction e.g. oedema
?look back at slide
Pump failure (drive, muscles, muslces problem) Increased CO2 production due to failure to eliiminate
What is partial compensation?
If the pH isn’t within the normal range or is close to the noraml range
What would uncompensated acidosis/alkalosis suggest?
Acute change occuring in the body
What does the body try to do to compensate for resp acidosis?
Metabolic alkalosis
