Respiratory

Question 1

IRV volume and definition

Answer 1

3100ml; amount of air that can be forcefully inhaled at the end of TV

Question 2

TV volume and definition

Answer 2

500ml; amount of air that is inhaled or exhaled with each breath under resting conditions

Question 3

ERV definition and Volume

Answer 3

1200ml; amount of air that can be forcefully exhaled after a normal TV exhalation

Question 4

RV volume and definition

Answer 4

1200ml; amount of air remaining in lungs after forced expiration

Question 5

PaO of N2 in 1 atmosphere: PaO of N2 at 4 ATM (30m)

Answer 5

597mmHg (76078.6): 3040mmHg (5974)

Question 6

PaO O2 @ 1atm; PaO O2 @ 4atm

Answer 6

159mmHg (20.9760) ; 636mmHg (4159)

Question 7

CI for SGA

Answer 7

• Contraindications

• Intact gag reflex or resistance to insertion
• Strong jaw tone or trismus
• Suspected epiglottitis or upper airway obstruction

Question 8

precaution for SGA (4)

Answer 8

Precautions

• Inability to prepare the Pt in the sniffing position
• Pts who require high airway pressures
• Paediatric Pts who may have enlarged tonsils
• Vomit in the airway

Question 9

adult critical asthma status?

Answer 9

1. acute life threat, speaking words only

2. no response to nebulised therapy

Question 10

adult severe asthma mx?

Answer 10

10mg salbutatmol rpt 5mg @ 5/60 to SE
500mg atrovent once only
dexmethasone 8mg IV/Oral

Question 11

Adult critical asthma mx?

Answer 11

1. 500mcg IMI adrenaline rpt 500mcg @5-10/60 x 3 (max 1.5mg)

2. if unresponsive to IMI adrenaline - consult for IV adrenaline/if thunderstorm asthma 20mcg @2/60