Table of Contents
How do you prepare for a vanillylmandelic acid test?
The patient should not consume any foods or fluids containing vanilla or licorice. The patient should avoid self-prescribed medications (especially aspirin) and prescribed medications (especially pyridoxine, levodopa, amoxicillin, carbidopa, reserpine, and disulfiram) for 2 wk before testing and as directed.
What does vanillylmandelic acid test for?
Vanillylmandelic acid (VMA) and other catecholamine metabolites such as homovanillic acid (HVA) measurement in urine are used for screening children for catecholamine-secreting tumors such as neuroblastoma and other neural crest tumors and monitoring those who have had treatment for these tumors.
How is VMA test done?
This test measures the amount of VMA that is passed into the urine, typically over a 24-hour period, to detect excess epinephrine and norepinephrine. It is used to detect tumors called neuroblastomas and other neuroendocrine tumors.
What is the normal range of VMA?
VMA: 2 to 7 milligrams (mg)/24 hours (10 to 35 mcmol/24 hours)
How do I prepare for the 5 HIAA test?
Patient Preparation Avoid bananas, avocados, plums, eggplant, tomatoes, avocados plums, eggplant, tomatoes, plantain, pineapple, walnuts, and interfering drugs for a 72 hour period prior to and during collection.
How do you say Vanillylmandelic acid?
vanillylmandelic acid (VMA) [van-i-lil-man-del-ik] n.
What is the 5 HIAA urine test for?
This test measures the level of 5-HIAA in the urine. It is often done to detect certain tumors in the digestive tract (carcinoid tumors) and to track a person’s condition. The urine test may also be used to diagnose a disorder called systemic mastocytosis and some tumors of the hormone.
What is VMA and its diagnostic value?
Vanillylmandelic acid (VMA), a metabolic by-product of norepinephrine and epinephrine, can be used to detect neuroblastoma and other tumors of neural crest origin.
What is VMA medical?
Vanillylmandelic acid (VMA), a metabolic by-product of norepinephrine and epinephrine, can be used to detect neuroblastoma and other tumors of neural crest origin. Normal findings.
What is the full form of VMA?
Acronym. Definition. VMA. Video Music Awards (MTV)
What does low VMA mean?
What does it mean if your Vanilmandelate (VMA) result is too low? Low levels of norepinephrine and epinephrine may be associated with addictions, cravings, fatigue, low blood pressure, low muscle tone, intolerance to exercise, depression, loss of alertness.
What causes elevated VMA?
Moderately elevated VMA (vanillylmandelic acid) can be caused by a variety of factors such as essential hypertension, intense anxiety, intense physical exercise, and numerous drug interactions (including some over-the-counter medications and herbal products).