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.
Transplant Screening Tests. Regardless of the type of kidney transplant you may undergo -- living or cadaveric -- special blood tests are needed to determine the kind of blood and tissue you have. These test results help to match a donor kidney to your body. Blood Type Testing. The first test establishes your ABO blood type.