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).
A normal heart pumps just over half the heart's volume of blood with each beat â a normal EF is 50 to 75 percent. Measuring EF. EF is often measured by a simple, painless test called an echocardiogram.