Labs
Three days of vomiting
coreA 45-year-old with three days of intractable vomiting from gastric outlet obstruction.
Results
| Test | Admission | Reference |
|---|---|---|
| Na | 136 | 135–145 mmol/L |
| K | 2.9L | 3.5–5 mmol/L |
| Cl | 86L | 98–106 mmol/L |
| HCO3 | 38H | 22–28 mmol/L |
| Cr | 132H | 60–110 µmol/L |
| Urea | 14.2H | 2.5–8 mmol/L |
Why is the potassium low when vomit contains little potassium?