Your registrar has placed a 67-year-old woman on bilevel non-invasive ventilation after assessing an infective exacerbation of chronic obstructive airways disease. She has failed to improve after 15 minutes of NIV.
Her vital signs are GCS 3, pulse 120/min, BP 95/55 mmHg, oxygen saturation 100%, respiratory rate 8/min, and temperature 38.5 C. You agree with the diagnosis and believe aggressive intervention is appropriate.
| Test |
Result |
Reference range |
| FiO2 |
0.9 |
|
| pH |
6.88 |
7.35-7.45 |
| PCO2 |
149 mmHg |
35-45 |
| PO2 |
335 mmHg |
80-100 |
| HCO3 |
44 mmol/L |
18-26 |
| Sodium |
140 mmol/L |
135-145 |
| Potassium |
3.5 mmol/L |
3.2-4.5 |
| Chloride |
89 mmol/L |
100-110 |
List two pathological processes related to her acid-base status. For each, provide an explanation.
(Marked out of 4.0)
/ 4
List the other important pathological process and include the formula used.
(Marked out of 2.0)
/ 2
List five further ED management steps.
(Marked out of 5.0)
/ 5
Total Score: 0 / 11
Percentage: 0%
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