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.
Insertion is achieved by feeding the tube through the nasal cavity and advancing the tube down the back of the throat and the oesophagus until it reaches the stomach, this is known as Naso Gastric (NG).