Pay Difference by Location. New York is home to an above-average pay rate for Nurse Practitioners, 17 percent higher than the national average. Nurse Practitioners will also find cushy salaries in San Francisco (+13 percent), Los Angeles (+11 percent), Houston (+6 percent), and Boston (+6 percent).
A low hematocrit means the percentage of red blood cells is below the lower limits of normal (see above) for that person's age, sex, or specific condition (for example, pregnancy or high-altitude living).Another term for low hematocrit is anemia. Causes of low hematocrit, or anemia, include:1  Bleeding (ulcers, trauma, colon cancer, internal bleeding). 2  Destruction of red blood cells (sickle cell anemia, enlarged spleen). 3  Decreased production of red blood cells (bone marrow supression, cancer, drugs). 4  Nutritional problems (low iron, B 12, folate and malnutrition). Destruction of red blood cells (sickle cell anemia, enlarged spleen). 2  Decreased production of red blood cells (bone marrow supression, cancer, drugs). 3  Nutritional problems (low iron, B 12, folate and malnutrition). 4  Overhydration (polydypsia, intravenous overhydration).
The hematocrit (Ht or HCT, British English spelling haematocrit), also known as packed cell volume (PCV) or erythrocyte volume fraction (EVF), is the volume percentage (%) of red blood cells in blood.ecause the purpose of red blood cells is to transfer oxygen from the lungs to body tissues, a blood sample's hematocritâthe red blood cell volume percentageâcan become a point of reference of its capability of delivering oxygen.