Patients are placed in the ICU because their status is unstable and they are intensively monitored. We are all familiar with graphical displays... more»
Examining blood for indications of health and disease is smart. Blood circulates through all of our organs and disseminates chemical communication among tissues. Blood supplies nutrients, removes waste and distributes medicines. Monitoring blood establishes a listening post on body chemistry. We can "listen to the chemistry talk" and establish the status for our subsystems: cardiovascular, hepatic, endocrine, neurological, reproductive and much more. Blood chemistry indicates that bad things have happened and warns of pending systems failures yet to come.