President Donald Trump has a newly diagnosed health issue: White House press secretary Karoline Leavitt revealed this week that the 79-year-old was diagnosed with chronic venous insufficient, or CVI, after he underwent medical testing for “mild swelling” in his legs as well as some bruising on his hands.

Chronic venous insufficiency, or CVI, happens when veins in the legs can’t properly carry blood back to the heart. That can lead to blood pooling in the lower legs.

In light of reports from the White House that President Donald J. Trump has been diagnosed with Chronic Venous Insufficiency (CVI), the American Heart Association is sharing important information on the condition and its association with cardiovascular risk factors,