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.
Blood collection and intravenous catheter insertion involve venous access: venipuncture for the purposes of blood collection is usually performed on superficial veins in the cubital fossa region. Whereas, when catheter insertion is for infusion purposes it is more often performed on superficial in the lower forearm and hand.