What tests are used to check for causes of high blood pressure?
- Blood tests, including measurement of electrolytes, blood urea nitrogen, and creatinine levels (to assess kidney involvement)
- Lipid profile for levels of various kinds of cholesterol
- Special tests for hormones of the adrenal gland or thyroid gland
- Urine tests for electrolytes and hormones
- A noninvasive, painless eye examination with an ophthalmoscope will look for ocular damage
- Ultrasound of the kidneys, CT scan of the abdomen, or both, to assess damage or enlargement of the kidneys and adrenal glands
From: Tests for High Blood Pressure WebMD Medical Reference
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