A heart perfusion imaging scan, or myocardial perfusion scan, is a test that tells doctors how well a person’s heart pumps blood. Doctors may use this test when diagnosing the cause of chest pain or deciding on a treatment plan. A heart perfusion imaging ...

The procedure uses radioactive “tracers” injected into your bloodstream that are viewed under specialized imaging equipment. In the case of detecting birth defects, the scan is performed early in life on newborns or young children. The procedure can ...

Pain in your upper right belly a couple of hours after a large or fatty meal is one of the first signs that you may have gallstones. To figure it out, your doctor may want you to have a test called a hepatobiliary iminodiacetic acid (HIDA) scan. It's also ...

“Our results demonstrate that texture analysis can uncover minute retinal changes long before diabetic retinopathy becomes clinically visible,” co-senior author António Francisco Ambrósio, a professor at the University of Coimbra in Portugal, said in a news release.

A nuclear bone scan is an imaging technique that uses radioactive substances to create three-dimensional (3D) images of the bones. Doctors use bone scans to diagnose and monitor bone diseases, such as cancers, infections, and fractures. Keep reading to ...

The AHA has released its 2026 Environmental Scan, a comprehensive resource designed to help hospitals and health systems navigate a rapidly evolving landscape. The scan provides data and trends that leaders can use to support strategic planning efforts.

The company is working to strengthen its fundamentals using additions like membership card scanners, CEO Ron Vachris said. “This isn’t about technology for technology’s sake.”

The SEQUENCE part creates a dynamic list of numbers (1, 2, 3...) that corresponds to the row index. For example, in the fifth row, the sequence returns the number 5. By dividing (/) the running total by the sequence number, Excel returns the average of all the values from the start to the current row.

Researchers noted that two other teams conducted independent searches of 3I/ATLAS at different frequencies. Neither group detected credible artificial radio signals. Scientists say the findings support the view that 3I/ATLAS is a natural object. It is only the third interstellar visitor ever detected, making it a rare opportunity for study.