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, formerly known as manic depression, is a mood disorder that causes radical emotional changes and mood swings, from manic, restless highs to depressive, listless lows.Most bipolar individuals experience alternating episodes of mania and depression.. Bipolar disorder is called this way because it is charecterized by two types of obvious mood disorders-depression on the one side, and mania, or hypomania (a manic state, or 'high'), on the other side.