Ch 8 Flashcards
The most accurate way to detect changes and oxygenation in the blood is by obtaining the
ABG
What method for obtaining blood gases should be tried initially in a neonate?
Umbilical artery catheterization
The high placement of an umbilical artery catheter should be visually confirmed at which anatomical landmark using an x-ray?
T6 through T8
The most important advantage of continuous in line blood gas sampling compared with umbilical blood gas sampling in a neonate is
Decreased amount of blood wasted
The cardiac index is calculated by the following equation
QT/BSA
Common factors that can reduce pulmonary vascular resistance include
Nitric oxide
Which of the following measurements requires pulmonary Swan Ganz artery catheter?
Pcwp
Complications associated with indwelling vascular catheters include
Infection and air embolism
Which of the following statement is correct regarding the effects of positive pressure on the measurement of pulmonary capillary wedge pressure
Pcwp is higher when lung compliance is high
Oxygen delivery is composed of all of the following except
Cardiac index
Venous oximetry is helpful in reducing morbidity and mortality in the settings of
Septic shock and major surgery