Adequate blood flow and oxygen delivery to the peripheral tissues of a sick, newborn infant is a sine qua non of neonatal intensive care. The adequacy of tissue oxygen delivery is difficult to measure ...

Arterial thrombosis occurs when a blood clot forms in an artery. Arteries are blood vessels that carry blood away from the heart to an organ. Some blood clots form in veins, often in the legs or ...

Arterial ulcers and venous ulcers are chronic wounds with different causes and appearances. Arterial ulcers occur due to arterial disease. Venous ulcers develop as a consequence of chronic venous ...