Medically reviewed by Soma Mandal, MD With petechiae, you may notice tiny red, purple, or brown spots that occur when capillaries break under your skin.Seek medical attention if petechiae appear suddenly,

According to the American Heart Association, anything above 120/80 mmHg is considered elevated blood pressure, while anything over 130/80 mmHg is considered high blood pressure. The good news: Elevated and high blood pressure can often (but not always) be addressed with diet and lifestyle modifications, said Dr. Phillips.

High blood pressure can also cause another condition called choroidopathy. This is when fluid builds up under the retina. It can make your vision look wavy or blurry and might cause scars on your retina. Even though this condition is not as common, it can still hurt your eyesight.

Multiple studies have shown that Covid infection increases the risk of cardiovascular diseases, including heart attack and stroke. This increase is most pronounced around the time of initial infection and for those with the most severe cases. Some studies have shown that the increased risk persisted for years after the initial infection.

When tumors enter major blood vessels, microscopic cancer particles might break off into the bloodstream, making blood more likely to clot. Those clots would cut blood flow to the patient’s organs, leading to organ systems failure that ultimately causes death.