SAQ Stack
Short Answer Questions for ED Fellowship Study
Case: Variceal upper GI bleed
A 65 year old woman has been taken to the ED with large volume haematemesis. She has a history of alcoholism and type 1 diabetes mellitus. An arterial blood gas has been provided below.
| Arterial blood gas | Value | Units | Reference range |
|---|---|---|---|
| FiO2 | 0.90 | ||
| pH | 7.17 | (7.35 – 7.45) | |
| pCO2 | 32 | mmHg | (35 – 45) |
| pO2 | 75 | mmHg | (60 – 100) |
| HCO3 | 11 | mmol/L | (22 – 32) |
| Na | 117 | mmol/L | (135 – 145) |
| K | 3.5 | mmol/L | (3.5 – 5.2) |
| Cl | 64 | mmol/L | (95 – 110) |
| Glucose | 34.3 | mmol/L | (3.0 – 7.8) |
| Lactate | 8.1 | mmol/L | (0.5 – 2.2) |
| Hb | 78 | g/L | (115 – 160) |