Intraosseous injections involve using a special needle to puncture the bone marrow to reach the veins. The bone marrow has a rich blood supply that connects straight to the circulatory system.

Retinal vein occlusion is usually caused by a blood clot blocking the vein. But a nearby artery can sometimes be the problem. Arteries and veins cross over each other in the retina.

A common myth about varicose veins is that they’re purely a cosmetic issue. Although some people may only experience aesthetic changes, that’s not always the case. “They can ...

Medically reviewed by Susan Bard, MD Spider veins (telangiectasia) and small varicose veins are small blood vessels that ...

Catheterization of these veins has been accomplished, 11,18,19 both for blood sampling and for retrograde injections. An attempt was made in this study to develop more reliable technics for ...

Learn how to prevent deep-vein thrombosis, pulmonary embolism, and other deadly blood clots, with advice from Consumer Reports.

An intramuscular injection is a technique used to deliver a medication deep into the muscles. This allows the medication to be absorbed quickly. Learn more.

Dr. Andy Hearn from the Vein Center of Cincinnati demonstrated the procedure on a recent episode of the "What's Happening in Health" show. "As the medicine goes in, visibly I see it disappear ...

Idaho will begin using central veins deep in the groin, neck, chest or arm for executions by lethal injection if attempts to insert standard IV lines fail.

Idaho will begin using central veins deep in the groin, neck, chest or arm for executions by lethal injection if attempts to insert standard IV lines fail.

Idaho will begin using central veins deep in the groin, neck, chest or arm for executions by lethal injection if attempts to insert standard IV lines fail, the Idaho Department of Correction ...