Resp Flashcards
gas exchange in 1 min
250ml
dead space
150ml
what does esphysema do to lung compliance and elasticity
high compliance
low elasticity
values for:
total lung capacity
normal respiration
tidal volume
- Total lung capacity 6L
- normal inspiration 2.8L
- tidal volume 500ml
what does surfactant do
increases compliance and reduces lungs tendency to recoil
what does right shift in graph mean
decreased affinity to O2
acidosis
oxygen unlaods better
what does left shift in graph mean
increased affinity
foetal blood
what do central and peripheral chemo receptors respond to
- Central chemoreceptors (medulla) respond to H+ concentration (CO2);
- peripheral chemoreceptors (carotid and aortic bodies) respond to PO2 and H+
who isnt suitable for nitrous oxide
chronic lung conditions
sign of near fatal asthma attack
raised PCO2
first line treatment in asthma for under 5s
LTRA
whats core pulmoanle
r side heard hypertrophy caused by lung problems
drug used for croup
dexamethasone for 24-48 hrs
organism that cause epiglottitis
haemophilus influenzae type B
what does wheeze rule out in infections
bacterial cause
