Paravertebral block (often known as PVB) is a technique used in medicine in order to ease chest pain.
An analgetic agent, usually Bupivacaine or morphine, is injected into a narrow space that lies next to the spine.
A fine tube is left in place in order to re-administer the local anesthetic whenever necessary.
[1][2][3][4] PVB is can be employed whenever relief from acute or chronic pain is required or anticipated in the chest or abdomen.
It is particularly beneficial in scenarios involving breast, thoracic, renal, or abdominal surgery, as it can effectively alleviate pain.