To perform this test, a medical professional will need to collect a sample of blood. Depending on a person’s age, they will typically require 1–5 milliliters of blood. To do so, they will ...

The plasma osmolarity was 314 mOsm/L. The plasma lactate was 25.9 mmol/L. The plasma pH was less than 6.8. His urine drug screen was negative for illicit drugs or ethanol. What’s your diagnosis?