A 20-year-old woman is brought to ED with one week of vomiting and confusion. You suspect diabetic ketoacidosis.
List three (3) other possible causes for raised ketones.
(Marked out of 3.0)
| Observation |
Value |
| pH |
7.16 |
| pCO2 |
33 mmHg |
| pO2 |
40 mmHg |
| HCO3- |
12 mmol/L |
| BE |
-15.7 mmol/L |
| Hb |
137 g/L |
| Na+ |
130 mmol/L |
| Cl- |
90 mmol/L |
| K+ |
5.2 mmol/L |
| Glucose |
37.0 mmol/L |
| Lactate |
2.2 mmol/L |
| Ketones |
3.0 mmol/L |
/ 3
List three (3) diagnostic criteria for DKA.
(Marked out of 3.0)
/ 3
Give a formula for strong ion difference.
(Marked out of 1.0)
/ 1
What acid-base derangement is expected from this patient's strong ion difference?
(Marked out of 1.0)
/ 1
Give one formula that could be used for sodium correction.
(Marked out of 1.0)
/ 1
You start an insulin infusion as part of initial management. State the rate and goal of the infusion.
(Marked out of 2.0)
/ 2
After three hours of insulin infusion, IV fluids and IV antibiotics, the repeat VBG is shown. What acid-base derangement is now demonstrated by the strong ion difference?
(Marked out of 1.0)
| Observation |
Value |
| pH |
7.12 |
| pCO2 |
30 mmHg |
| pO2 |
63 mmHg |
| HCO3- |
18 mmol/L |
| BE |
-17.7 mmol/L |
| Hb |
114 g/L |
| Na+ |
133 mmol/L |
| Cl- |
103 mmol/L |
| K+ |
4.2 mmol/L |
| Glucose |
25.0 mmol/L |
| Lactate |
1.9 mmol/L |
| Ketones |
1.1 mmol/L |
/ 1
List the most likely cause of this acid-base derangement, along with four (4) other possible causes.
(Marked out of 6.0)
/ 6
Total Score: 0 / 18
Percentage: 0%
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