Sulfur is in the 16th group/family on the Periodic Table which is called Chalcogen. 2 people found this useful.
A cardiac perfusion scan measures the amount of blood in your heart muscle at rest and during exercise. It is often done to find out what may be causing symptoms like angina (such as chest pain or pressure).
1 To assess whether you have coronary artery disease and measure how much your arteries are blocked. 2  In this kind of test, you will exercise to reach a target heart rate. 3  The test compares blood flow to the heart during rest and during exercise.