resp failure

Question 1

what is type one resp failure

Answer 1

hypoxaemia only

PaO2<8kPa

Question 2

what is type 2 resp failure

Answer 2

hypoxaemia and hypercapnia

PaCO2 <6kPa

Question 3

signs of hypercapnia

Answer 3

malar flush
flapping reflex
neurological disturbances - confusion/delirium

Question 4

what is tracheal tug

Answer 4

neck muscles pull trachea inwards in resp distress

Question 5

4 causes of type 2 resp failure

Answer 5

Increased resistance as a result of airway obstruction (e.g.COPD)

Reduced compliance of the lung tissue/chest wall (e.g. pneumonia, rib fractures, obesity).

Reduced strength of the respiratory muscles (e.g. Guillain-Barré, motor neurone disease)

Drugs acting on the respiratory centre reducing overall ventilation (e.g. opiates

Question 6

what is myasthenia gravis

Answer 6

lose muscle tone - chronic autoimmune condition

Question 7

stridor

Answer 7

UPPER AIRWAY HIGH PITCHED SOUND

Question 8

what should abg SpO2 be

Answer 8

> 10kPa

Question 9

why don’t use too much O2

Answer 9

free radicals

Question 10

copd which air mask

Answer 10

venturi

Question 11

difference between simple and non-rebreathing mask

Answer 11

NRM has oxygen reservoir bag