The pulmonic valve is the second valve of the heart. Like the aortic valve, it is also referred to as a semilunar valve, because of its shape. It lies between the right ventricle and the pulmonary artery, which takes blood to the lungs.
Transdermal analgesic patch. A transdermal analgesic or pain relief patch is a medicated adhesive patch used to relieve minor to severe pain.
WHAT YOU NEED TO KNOW: An epidural blood patch is a procedure used to relieve a headache caused by spinal fluid leak after a dural puncture. A caregiver will inject a sample of your own blood into your back, near the dural puncture site. The blood will clot, which may patch the leak.