2023年3月15日 · Vasoconstriction is the narrowing (constriction) of blood vessels by small muscles in their walls. When blood vessels constrict, blood flow is slowed or blocked.

Raynaud phenomenon is a condition in which cold temperatures or strong emotions cause blood vessel spasms. This blocks blood flow to the affected regions and causes discolor

Learn about Vasoactive intestinal peptide test, find a doctor, complications, outcomes, recovery and follow-up care for Vasoactive intestinal peptide test.

The heart is a large muscular organ which constantly pushes oxygen-rich blood to the brain and extremities and transports oxygen-poor blood from the brain and extremities to the lungs to gain oxygen.

The ultrasound has become a standard procedure used during pregnancy. It can demonstrate fetal growth and can detect increasing numbers of conditions including meningomyelocele, congenital heart disease, kidney abnormalities, hydrocephalus, anencephaly, …