An electrocardiogram (ECG) is a quick test that demonstrates how your heart's electrical activity operates. It is run in both routine health check-ups and emergency situations to detect a range of ...

A nuclear stress test helps to assess your risk of a severe cardiac event. Depending on your health, a doctor may ask you to take a treadmill test or a chemical test, which uses medications to ...

Following your doctor’s instructions is the most important part of preparing for a blood test. Sleeping well, staying hydrated, and avoiding certain foods and drinks can also provide benefits. Blood ...

A water deprivation test checks how the body responds to several hours without water intake. A doctor may request this test to help diagnose conditions such as arginine vasopressin disorder (AVD).

‌Protein appears in nearly all body tissues, along with your enzymes, blood, and cerebrospinal fluid (CSF). Healthy CSF has a low amount of protein.‌ If you show symptoms of an infection or nervous ...

Champion previously spoke about skin cancer and even had cancerous cells removed from his shoulder on live TV in 2010.

A blood osmolality test measures the blood for the concentration of certain dissolved particles. This test can show whether a person has an irregular balance of fluids in their body. Osmolality tests ...

Champion, 64, returned to work this week after taking a few days off for an 'urgent' heart procedure.

Early construction phase test procedure development provides plenty of time for project team members, in particular the contractors whose systems will be tested, to review, ask questions, and ...

ABC News’ Sam Champion returned to "Good Morning America" on Wednesday morning after a recent medical procedure.