Is dubbed on its time efficiency, in addition to its sensitivity in assessing both kidneys’ functions. Additionally, it can be efficient in assessing the anatomy and the nature of any masses occupying the kidneys. Fasting: is not preferred as you will be requested to considerably increase fluid intake, consequently increasing urination frequency, as frequent urination is requested. Medication contradiction: A list of medications should be provided as they may cause an interference with the examination. Tracer method of intake: The radiopharmaceutical tracer will be injected intravenously. Examination duration: The imaging process will take 15 minutes; the imaging will be conducted 2 hours after the tracer is injected.