In nature, methane is produced by the anaerobic bacterial decomposition of vegetable matter under water (where it is sometimes called marsh gas or swamp gas). Wetlands are the major natural source of methane produced in this way.
What are the exams and tests for renal artery stenosis? Blood tests. Screening blood tests may be done as part of the general evaluation of high blood pressure and may include a complete blood count, electrolytes, kidney function tests, and a urinalysis. Imaging. Renal artery narrowing can be detected with ultrasound or computerized tomography angiography or arteriography.
Your doctor may then place a small tube (stent) in the ureter to relieve swelling and ... A review of your medical history; Blood and urine tests to check your kidney function; Blood and ... and strong magnetic fields to produce detailed 3-D images of the renal arteries and kidneys. ... This test is often performed at the time of restoring the blood vessel opening with a stent. ...