As the name implies, iron deficiency anemia is due to insufficient iron. Without enough iron, your body  can't produce enough of a substance in red blood cells that enables them to carry oxygen (hemoglobin). 

Hormone profiles are conducted to evaluate the functioning of the endocrine system, identify hormonal  imbalances, diagnose specific conditions, and guide treatment decisions. 

Hormones are the body's chemical messengers. They carry information and instructions from one set of  cells to another. The endocrine system influences almost every cell, organ, and function of our bodies. 

Troponin blood test - troponin is a protein which is released into the blood stream when the heart  muscle is damaged. The troponin level provides a quick and accurate measure of any heart muscle  damage.