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.
This test measures how much of your blood is made up of red blood cells. Normal blood contains white blood cells, red blood cells, platelets, and the fluid portion called plasma. The word hematocrit means to separate. In this test, your red blood cells are separated from the rest of your blood so they can be measured.Your hematocrit (HCT) shows whether you have a normal amount of red blood cells, too many, or too few.To measure your HCT, your blood sample is spun at a high speed to separate the red blood cells.he word hematocrit means to separate. In this test, your red blood cells are separated from the rest of your blood so they can be measured. Your hematocrit (HCT) shows whether you have a normal amount of red blood cells, too many, or too few.