teaching

Question 1

T2RF

Answer 1

NIV

Question 2

oxygen in COPD

Answer 2

venturi mask

Question 3

difference in long term respiratory failure T2 blood gas

Answer 3

raised bicarb

Question 4

FiO2 of room air

Answer 4

21%

Question 5

who require high flow oxygen

Answer 5

Carbon monoxide poisoning, cluster headache, sickle cell crisis, pneumothorax

Question 6

nasal cannula max

Answer 6

1-6L, 24-40%

Question 7

Hudsons/face mask

Answer 7

30-40%, 5-10L

Question 8

non rebreather

Answer 8

T1RF, 90%, 12-15L/min

Question 9

Venturi mask

Answer 9

2-15L/min, based on valve, FiO2 24-60%, precisely controlled

Question 10

High flow nasal cannula

Answer 10

flow up to 60 L/min, FiO2 21-100%

Question 11

COPD oxygen management

Answer 11

switch back to venturi once oxygen stats in 88-92% range, if started with non rebreathe

Question 12

BiPAP

Answer 12

pulmonary oedema refractory to furosemide/diuretics, COPD,

get CXR first to check for pneumothorax

Question 13

normal biPAP settings

Answer 13

inspiratory 10, expiratory 5

Question 14

pCO2

Answer 14

4.7-6

higher = acidotic
less = alkalosis

Question 15

bicarb

Answer 15

22-26

Question 16

Ph

Answer 16

7.35-7.45

Question 17

BE

Answer 17

how much base to get a normal pH - HCO3

• metabolic acidosis
  + metabolic alkalosis

only tells about metabolic component

-2/+2

Question 18

pH norman but weird BE

Answer 18

compensating somewhere

Question 19

O2

Answer 19

11-13

Question 20

document in ABG

Answer 20

of on oxygen

Question 21

respiratory acidosis/alkalosis differentials

Answer 21

respiratory alkalosis - hyperventilation, early bronchial asthma, pain/exercise/infection/pregnancy/pneumothorax/PE

acidosis - severe asthma, COPD, chest wall abnormalities, neuromuscular disorders, CNS depression, obesity

Question 22

pulmonary oedema on CXr

Answer 22

batwing

Question 23

ABDCE for Pleural effusion

Answer 23

Question 24

which diaphragm is higher

Answer 24

right - liver pushes it up

Question 25

which kidney is higher

Answer 25

left - right kidney is pushed down by the liver

Question 26

air bronchogram

Answer 26

fluid is surrounding the tube where the air is supposed to be in a black tube with whiteness around

Question 27

normal CXR

Answer 27

PA, can comment on heart cannot comment on heart size in AP

Question 28

'permissive hypotension'

Answer 28

e.g. aortic rupture, keep systolic between 80-90, to avoid breaking open clot etc

Question 29

otitis media with finding on brain

Answer 29

abscess in brain - needs surgical drainage

Question 30

tachycardia ALS

Answer 30