Central catheter


Central catheter
A catheter (a tube) that is passed through a vein to end up in the thoracic (chest) portion of the vena cava (the large vein returning blood to the heart) or in the right atrium of the heart. Central catheters have a diversity of uses. They allow concentrated solutions to be infused with less risk of complications. They permit monitoring of the central venous pressure, the pulmonary artery pressure, and the pulmonary capillary wedge pressures. They can be used for the estimation of cardiac output and vascular resistance. The near end of the catheter may also be connected to a chamber for injections given over periods of months. A central catheter is also called a central venous catheter, a central venous line, or just a central line.

Medical dictionary. 2011.

Look at other dictionaries:

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  • peripherally inserted central catheter — (PICC) a long catheter introduced through a vein in the arm, then through the subclavian vein into the superior vena cava or right atrium to administer parenteral fluids (as in hyperalimentation) or medications or to measure central venous… …   Medical dictionary

  • Central venous catheter — A catheter (tube) that is passed through a vein to end up in the thoracic (chest) portion of the vena cava (the large vein returning blood to the heart) or in the right atrium of the heart. Central venous catheters have a number of different uses …   Medical dictionary

  • Catheter, central venous — A catheter (tube) that is passed through a vein to end up in the thoracic (chest) portion of the vena cava (the large vein returning blood to the heart) or in the right atrium of the heart. Central venous catheters have a number of different uses …   Medical dictionary

  • Catheter, central — A catheter (a tube) that is passed through a vein to end up in the thoracic (chest) portion of the vena cava (the large vein returning blood to the heart) or in the right atrium of the heart. Central catheters have a diversity of uses. They allow …   Medical dictionary

  • Central venous line — A catheter (tube) that is passed through a vein to end up in the thoracic (chest) portion of the vena cava (the large vein returning blood to the heart) or in the right atrium of the heart. Central venous lines have a number of different uses. A… …   Medical dictionary

  • Catheter — disassembled In medicine, a catheter (pronounced /ˈkæθɪtər/) is a tube that can be inserted into a body cavity, duct, or vessel. Catheters thereby allow drainage, administration of fluids or gases, or access by surgical instruments. The… …   Wikipedia

  • central venous pressure — n the venous pressure of the right atrium of the heart obtained by inserting a catheter into the median cubital vein and advancing it to the right atrium through the superior vena cava abbr. CVP * * * (CVP) the venous pressure as measured at the… …   Medical dictionary

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  • Central venous pressure — (CVP) describes the pressure of blood in the thoracic vena cava, near the right atrium of the heart. CVP reflects the amount of blood returning to the heart and the ability of the heart to pump the blood into the arterial system. It is a good… …   Wikipedia


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