A clot occurs when blood, which is usually liquid and flowing, thickens, becomes more gelatinous, and forms a clump. This is useful to halt excessive bleeding when you have an injury, but some blood ...

Swelling in one limb can be a sign of blocked or damaged blood vessels from a blood clot. Sudden chest pain may happen if a blood clot is in the lungs, a potentially life-threatening issue. Shortness ...

Every year, nearly 900,000 Americans are affected by venous thromboembolism (VTE), a condition in which blood clots form in ...

San Antonians carry more blood clot risk than the average American.

Elizabeth Simms was 27 years old and about 31 weeks pregnant when she suddenly noticed the first signs of what turned out to be a life-threatening medical emergency. She had woken up one morning in ...