• Test Code - PL0437
  • Test Name - Dopamine
  • Views - 674 Views
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Test Details & Preparation


  • Dopamine testing is done to help diagnose or rule out a pheochromocytoma or other neuro-endocrine tumour.

  • Dopamine testing is done when you have symptoms of increased catecholamines release, such as persistent or episodic high blood pressure, severe headaches, rapid heart rate, and sweating.

  • A blood sample drawn from a vein in the arm or a 24-hour urine sample for dopamine testing.

  • These tests are affected by certain drugs, foods, and stresses. Inform your doctor of any medications you are taking and follow any preparation instructions you are given before sample collection.

  • If catecholamine levels are elevated in a person who has had a previous pheochromocytoma, then it is likely that either treatment was not fully effective or that the tumour is recurring.

  • If the concentrations of catecholamines are normal in both the plasma and urine, then it is unlikely that a person has a pheochromocytoma.


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