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
2 antibiotics for pneumonia
amoxicillin
clarythromycin
rusty brown sputum =
strep pneumoniae
CURB 65
Confusion
Urea over 7
Resp rate over 30
Bp systolic over 90, diastolic under 60
65 or over
what levels of curb 65 mean
2 = hospital
3 or more = ICU
thing found with TB on xray
Gohn focud
what tumour causes horners syndrome
pancost
criterea for surgery of lung cancer
estimated post-operative FEV1 of at least 1 litre
LIGHTS critrea for plaural exudate
protein over 0.5 = exudate
pressure in plaura compared to outisde
negative
what dos the wells score predict
numbers meaning
clinical probalilty of PE
2-6 = moderate
6 = high
treatment for pulmoanry hypertension x2
prostoglandins, calcium channel blockers
what gene is affected by cystic fibrosis
CFTR
what scale is used for sleep apneoea
what does each level mean
Epworth sleepeniss scale
2 or more abdnormal
apnoea-hypopnoea index number of events to severity
5-15 = mild
15-30 = moderate
over 30 = severe
