A pulse oximeter is a medical device that measures levels of blood oxygen saturation, monitors pulse rate and calculates heart rate.It utilizes a non-invasive analysis to measure blood oxygen saturation, so no blood samples need to be drawn.ormal blood oxygen saturation readings at or near sea level is between 95 to 100 percent, as measured by the pulse oximeter. Normal arterial blood flow and calculated heart rate depend on the state and age of the patient (such as newborn or unconscious adult).
agitated depression. a severe depressive disorder characterized by severe anxiety accompanied by continuous physical restlessness, and, frequently, somatic symptoms. Psychomotor agitation is prominent. Delusions, as well as depression with psychotic features, may also be present.
Agitated depression: Introduction. Agitated depression: Agitated depression is a major depressive disorder with restlessness and motor excitement. Agitated depression was once called melancholia agitata. It is now also known as mixed mania. More detailed information about the symptoms, causes, and treatments of Agitated depression is available below.