The patient is to fast with nothing to eat or drink for at least eight hours before the test. It is also suggested that the patient lie down for 30 minutes before the test.
No special preparations are necessary for this test.
This test requires a blood sample.
Patients should not drink alcoholic or caffeinated beverages, smoke tobacco, or ingest other nicotine products for 24 hours before the test. These substances can affect test results. Patients should also not eat anything.
This test requires a blood sample. It is not necessary for the patient to be in a fasting (nothing to eat or drink) state before the test.
The patient should avoid strenuous exercise and have nothing to eat or drink, except water, for eight to ten hours before this test.
This test requires a blood sample. The patient is not required to be in a fasting state (nothing to eat or drink for a period of hours before the test).
Patients undergoing this test do not need to alter their diet, change their normal activities, or stop taking any medications. They will wear a surgical gown during the test, and be asked to urinate before the test starts.
Low levels of EPO are found in anemic patients with inadequate or absent production of erythropoietin. Severe kidney disease may decrease production of EPO, and congenital absence of EPO can occur. Elevated levels of EPO.
The EPO test requires a blood sample.
Before the test, the patient must stop taking all drugs that can inhibit acetylcholinesterase. The referring physician can advise on specific drugs the patient is taking.
Patients should not eat or drink for several hours before the exam. Many medications affect the esophagus; doses sometimes need to be adjusted or even stopped for a while. Patients must inform doctors of all medications taken.
The estrogen fraction test can be performed on blood and/or urine. It is not necessary for the patient to restrict food or fluids for either test. If a 24-hour urine test has been requested, the patient should call the laboratory for instructions.