Before a fasting blood test, a patient may only consume water and must abstain from any other foods or liquids, according to Quest Diagnostics. Fasting is necessary before certain blood tests in order to obtain accurate results.
According to Quest Diagnostics, water is okay to drink before a fasting blood test and is actually recommended. Patients who must fast overnight or for a few hours should drink a lot of water to stay hydrated. The extra water can plump up their veins and make it easier to for a lab technician to draw their blood. Generally, the longest period a patient may need to fast is eight hours.Learn More
A bone density test is used to determine whether a patient has osteoporosis or not, according to Mayo Clinic. During a bone density test, x-rays are used to determine how many milligrams of bone minerals are present in a specific section of bone, such as the hip, forearm or spine.Full Answer >
The best home blood pressure monitor has the right cuff size, is validated and meet the specific needs of an individual. There are different types of monitors out there, but it is sensible to choose one that is fully automatic.Full Answer >
Non-hemolyzed blood is blood in which the red blood cells remain intact, and is important for blood testing. Certain conditions can cause the red blood cells to break down prematurely resulting in hemolysis, or hemolyzed blood.Full Answer >
An endoscopy takes around 20 to 30 minutes to complete, according to Cancer.Net. An endoscopy is a procedure in which a doctor threads a thin, flexible tube that is attached to a camera down the patient's throat to view his upper gastrointestinal tract.Full Answer >