SAQ35-abg -agitation

Marked out of 9.00

A 14 year old female presents to your emergency department via ambulance with agitation and drowsiness. An arterial blood gas is taken:

Parameter Result Reference Range
FIO₂ 0.21
pH 6.89 7.35 – 7.45
pCO₂ 72 mmHg 35 – 45
pO₂ 60 mmHg 80 – 110
HCO₃ 10 mmol/L 23 – 32
Base excess -20.5 -2 – +2
Sodium 136 mmol/L 135 – 145
Potassium 4.0 mmol/L 3.5 – 5.5
Chloride 90 mmol/L 90 – 115
Urea 16 mmol/L 3.5 – 8.0
Creatinine 0.14 mmol/L 0.06 – 0.12

a. Provide three (3) calculations to help you to interpret these results.

(Marked out of 3.0)


/3

b. State the primary acid/base disturbance.

(Marked out of 2.0)


/2

c. List four (4) differential diagnoses for her presentation (each must be a different pathological mechanism).

(Marked out of 4.0)


/4


Total Score: 0 / 9

Percentage: 0%