An additional ultrasound measurement to assess resistance in fetal blood vessels can improve the decision of whether to ...

Medically reviewed by David Ozeri, MD Renal ultrasound (kidney ultrasound) is a safe, noninvasive imaging test that uses sound waves to create images of your kidneys and bladder. It helps ...

Investigators studied whether changes in renal hyperfiltration status affects patient outcomes using a Korean population cohort of more than 4.5 million patients.

Doctors can check circulation in the feet by comparing blood pressure in the toe with that in the arm. The result is known as ...

Increased muscle echo intensity effectively identifies insulin resistance and impaired insulin sensitivity.

The tier 1 capital ratio is the ratio of a bank’s core tier 1 capital—its equity capital and disclosed reserves—to its total risk-weighted assets.

The shareholder equity ratio is used to get a sense of the level of debt that a public company has taken on.

Learn how and why to use the price-to-sales ratio. This helps you better evaluate up-and-coming growth stocks or stocks without consistent profitability.