Resp Flashcards

(29 cards)

1
Q

gas exchange in 1 min

A

250ml

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2
Q

dead space

A

150ml

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3
Q

what does esphysema do to lung compliance and elasticity

A

high compliance

low elasticity

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4
Q

values for:
total lung capacity
normal respiration
tidal volume

A
  • Total lung capacity 6L
  • normal inspiration 2.8L
  • tidal volume 500ml
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5
Q

what does surfactant do

A

increases compliance and reduces lungs tendency to recoil

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6
Q

what does right shift in graph mean

A

decreased affinity to O2
acidosis
oxygen unlaods better

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7
Q

what does left shift in graph mean

A

increased affinity

foetal blood

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8
Q

what do central and peripheral chemo receptors respond to

A
  • Central chemoreceptors (medulla) respond to H+ concentration (CO2);
  • peripheral chemoreceptors (carotid and aortic bodies) respond to PO2 and H+
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9
Q

who isnt suitable for nitrous oxide

A

chronic lung conditions

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10
Q

sign of near fatal asthma attack

A

raised PCO2

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11
Q

first line treatment in asthma for under 5s

A

LTRA

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12
Q

whats core pulmoanle

A

r side heard hypertrophy caused by lung problems

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13
Q

drug used for croup

A

dexamethasone for 24-48 hrs

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14
Q

organism that cause epiglottitis

A

haemophilus influenzae type B

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15
Q

what does wheeze rule out in infections

A

bacterial cause

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16
Q

2 antibiotics for pneumonia

A

amoxicillin
clarythromycin

17
Q

rusty brown sputum =

A

strep pneumoniae

18
Q

CURB 65

A

Confusion
Urea over 7
Resp rate over 30
Bp systolic over 90, diastolic under 60

65 or over

19
Q

what levels of curb 65 mean

A

2 = hospital

3 or more = ICU

20
Q

thing found with TB on xray

21
Q

what tumour causes horners syndrome

22
Q

criterea for surgery of lung cancer

A

estimated post-operative FEV1 of at least 1 litre

23
Q

LIGHTS critrea for plaural exudate

A

protein over 0.5 = exudate

24
Q

pressure in plaura compared to outisde

25
what dos the wells score predict numbers meaning
clinical probalilty of PE 2-6 = moderate 6 = high
26
treatment for pulmoanry hypertension x2
prostoglandins, calcium channel blockers
27
what gene is affected by cystic fibrosis
CFTR
28
what scale is used for sleep apneoea what does each level mean
Epworth sleepeniss scale 2 or more abdnormal
29
apnoea-hypopnoea index number of events to severity
5-15 = mild 15-30 = moderate over 30 = severe