Signs and symptoms of an effusion vary depending on the underlying disease, but dyspnea, cough, and pleuritic chest pain are common. Chest examination of a patient with pleural effusion is notable for dullness to percussion, decreased or absent tactile fremitus, decreased breath sounds, and no voice transmission.
Medical Definition of velamentous insertion. : attachment of the umbilical cord to the chorion beyond the margin of the placenta.
If velamentous insertion is suspected, you may be advised to have a caesarean section to avoid the chance of rupture. Vasa previa is a complication of velamentous insertion where the umbilical blood vessels cross the fetal membranes and pass through the space between the unborn baby and the cervix.sually, the volume of amniotic fluid in the uterus reaches about 1 L (1 quart) by 36 weeks of pregnancy, and it decreases significantly after childbirth. There are two types of problems that can occur with regard to the volume of amniotic fluid: 1  Polyhydramnios is over 2 L (2 quarts) of amniotic fluid in the uterus.