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.
Creatinine Blood Test. A blood test for the level of creatinine in the blood is one way to check kidney function. The normal ranges are 0.8 to 1.2 mg/dl for males and 0.6-0.9 mg/dl for females.The kidney helps to maintain the creatinine levels of the blood. test for the blood urea nitrogen helps test for the proper function of the kidney. As urea is a waste product of protein metabolism built up after the breakdown of protein; the kidneys are responsible for its proper disposal. The kidneys dispose of the urea by filtering it and creating urine.