Several other airports are within driving distance to Laguna Beach. With 30.5 million passengers, Los Angeles International Airport (lawa.org/welcomeLAX.aspx) was the busiest airport in the region in 2011 and the third-busiest airport in the United States. It is located 54 miles northwest of Laguna Beach.
Blood tests. Doctors most frequently use blood tests to diagnose polycythemia vera. If you have polycythemia vera, blood tests may reveal: 1  An increase in the number of red blood cells and, in some cases, an increase in platelets or white blood cells.2  Elevated hematocrit measurement, the percentage of red blood cells that make up total blood volume.lood tests. Doctors most frequently use blood tests to diagnose polycythemia vera. If you have polycythemia vera, blood tests may reveal: 1  An increase in the number of red blood cells and, in some cases, an increase in platelets or white blood cells.
An HCT blood test is performed as part of a CBC, or complete blood count. Learn why the doctor orders this test and how the results help in diagnosing medical conditions. slide 1 of 6. The HCT, which stands for hematocrit, blood test measures the amount of red blood cells in a blood sample.This test is also referred to as a crit or a PCV, which means packed cell volume. The HCT blood test is usually done as part of a CBC, or complete blood count, blood test.nemia is the most common cause of a low hematocrit result. Anemia occurs when the body has a below normal amount of red blood cells. This causes a hematocrit levels fall below normal. Malnutrition or nutritional deficiencies of certain vitamins or minerals can lead to anemia and produce low HCT blood test results.