Polyuria Polyuria Polyuria () is excessive or an abnormally large production or passage of urine (greater than 2.5 or 3 L over 24 hours in adults). Frequent urination is usually an accompanying symptom. Increased production and passage of urine may also be termed diuresis. Polyuria often appears in conjunction with polydipsia (increased thirst), though it is possible to have one without the other, and the latter may be a cause or an effect. Psychogenic polydipsia may lead to polyuria. The most common cause of polyuria in both adults and children is uncontrolled diabetes mellitus, which causes osmotic diuresis, when glucose levels
Perioperative medicine Perioperative medicine Perioperative medicine is the medical care of patients from the time of contemplation of surgery through the operative period to full recovery, but excludes the operation or procedure itself. Perioperative care may be provided by an anesthesiologist, Intensivist, an internal medicine generalist or hospitalist working with surgical colleagues. Perioperative medicine encompasses the care of the patient preparing for, having and recuperating from surgery. In the practice of perioperative medicine the surgeon, anesthesiologist, intensivist and medical consultant work in concert. The medical knowledge distinct to this field includes that of operative risk and complications, of patient specific risks, of