Your heart’s job is to keep your pulse steady to pump blood throughout your body. Sometimes your heart rate is slower when you’re relaxing, and sometimes it’s faster when you’re exercising or stressed ...

A heart PET scan is a noninvasive imaging test that uses a small amount of radiation. It helps doctors understand how the heart functions and whether it is healthy. Cardiac or heart PET scans create ...

Getting prompt and effective heart attack treatment may help you avoid complications that can affect brain functions such as memory, focus, and decision making. A heart attack can damage the brain ...

Symptoms of a heart attack can appear a month or more in advance. Chest pain, sleep problems, and unusual fatigue are among the most commonly reported warning signs. Every year, about 805,000 people ...