The mean corpuscular hemoglobin concentration, a measure of the concentration of hemoglobin in a given volume of packed red blood cells. It is reported as part of a standard complete blood count.he mean corpuscular hemoglobin concentration, a measure of the concentration of hemoglobin in a given volume of packed red blood cells. It is reported as part of a standard complete blood count.
An enema is the administration of a substance in liquid form into the rectum. This may be performed to aid bowel evacuation or to administer medicines.
Types of Enemas. Cleansing Enema. There are three types of cleansing enemas: the large volume enema, the small volume, enema, and the packaged, disposable enema. Normal saline is normally used for a cleansing enema because it is isotonic solution and therefore, does not cause electrolyte imbalance, unlike the tap water.