Category: V

Toward the ventral aspect; the opposite of dorsad. In the direction of any front-facing side.  

Visual representations of airway pressures or airway flows as they vary over time.  

A cluster of four evidenced-based safety measures that decrease the risk to patients of mechanical ventilation while in the intensive care unit. The elements of the bundle include elevating the head of the patient’s bed; administering medications to prevent deep venous thrombosis; administering medications to reduce the incidence of peptic ulceration; and giving the ventilated…

A calculation used to determine the severity of respiratory illness (acute lung injury and/or respiratory distress syndrome) in critically ill patients. The VI is the partial pressure of arterial C02 multiplied by the peak airway pressure multiplied by the rate of ventilation, all divided by 1000.  

The amount of air that must be respired for each liter of oxygen to be absorbed.  

The formation of an anastomosis of a vein joined to a vein.  

The amount of blood returning to the atria of the heart.  

Part of a venous access device consisting of a subcutaneously implanted port through which medications are injected. Leading from the port is a catheter that is inserted in the cephalic, jugular, or subclavian vein. The catheter extends into the superior vena cava. The port has a self-sealing septum through which a needle is inserted to…

A murmur heard on auscultation over the larger veins of the neck. The sound heard when listening over a vein.  

Surgical incision in a vein to place a catheter to permit intravenous administration of fluids or drugs. It is used in patients with vascular collapse when gaining percutaneous access to the circulation is difficult; however, this procedure is usually tried only when subclavian, jugular, or femoral access cannot be established.