Pima County has one of the highest rates of congenital syphilis in the nation and its health department is urging widespread testing, particularly for pregnant women who are at risk of a stillbirth if ...

A nuclear stress test, also called myocardial perfusion imaging (MPI) or a thallium stress test, uses a radioactive tracer to show how blood flows through your heart muscles during exercise and at ...

Abnormal stress test results may suggest an underlying heart condition, such as coronary artery disease, or a blockage in the arteries supplying blood to the heart. Failing a stress test means you can ...