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.
Bipolar disorder, also known as manic depression, is a treatable illness involving extreme changes in mood, thought, energy, and behavior. A person with bipolar disorder has moods that usually alternate between mania, or extremely âupâ mood, and depression, or extremely âdownâ mood. This change or âmood swingâ can last for hours, days, weeks, or even months. Typically, someone with bipolar disorder experiences one or two cycles a year, with manic episodes generally occurring in the spring or fall.