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.
Intravenous Cannulation (IV). Insertion of an IV cannula involves putting a âtubeâ into a patientâs vein so that infusions can be inserted directly into the patientâs bloodstream. Cannulaâs (aka venflons) come in various colours, which correspond to the size of the âtubeâ.ubject steps. Introduce yourself to the patient and clarify the patientâs identity. Explain the procedure to the patient and gain informed consent to continue. It is also worth explaining that cannulation may cause some discomfort but that it will be short lived.