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Peds Cardio quiz
chap 21
21
Nursing
Undergraduate 3
02/23/2011

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Term
arrythmias
Definition
abnormal rhythms or dysrthmias
Term
cardiac output
Definition
volume of blood ejected from the left ventricle each minute
Term
cardiomegaly
Definition
enlargment of the hear by hypertrophy of it's muscular walls
Term
compliance
Definition
the ability of the lungs and chest wall to expand during inspiration. amount of distention or expansion the ventrcles can achive to increase stroke volume
Term
desaturated blood
Definition
oxygentated and unoxygenated blood mix beauase a congetital hear defect
Term
digitalization
Definition
giving initial higher than normal doses of digoxin to help the child achieve therapeutic blood levels more rapidly
Term
dyslipidemia
Definition
a condition in which one or more lipids (Tot Chol, LDL, triG, HDL) have an abnoraml level in the blood
Term
endocardium
Definition
the tissue lining the heart chambers
Term
hemodynamics
Definition
passge of blood through the heart and pulmonary system and pressures generated by the blood
Term
hypercyanotic episode
Definition
an abrup decrease in systemic resistance and pulmonary blood flow in a cyanotic child causing a sudden increase in cardiac out put and venous return that can quickly become life threatening
Term
hypoxemia
Definition
lower than normal amounts of O2 in the blood
Term
palliative procedure
Definition
a surgical or interventional cardiac cath procedure that does not create normal anatomic or hemodynamic results
Term
polycythemia
Definition
increased production of RBC by the bone marrow to ^ the amount of Hgb available or oxygentation. Above normal ^ in the # of Red cells i the blood to ^ the amt of hgb available to carry O2
Term
preload
Definition
the vol. of blood in the ventricle at the end of diastole that stretches the heart muscle before contraction
Term
radiofrequency ablation
Definition
use of energy to destroy a very small section of the myocardium through whic an accessory conduction pathway passes that triggers tachycardia
Term
shock
Definition
acute, complex st of circulatory dysfxn resulting in the failure to deliver sufficient O2 and other nutrients to meet cell and tissue demands
Term
shunt
Definition
movement of blood between the systemic and pulmonary cirulation throuth an abnormal anatomic opening, such as between the right and left ventricles
Term
stenosis
Definition
narrowing of a valve, the valve area, or the great artery about the valve
Term
stroke volume
Definition
amount of blood ejected with each contraction
Term
snycope
Definition
tansient loss of consciousness and muscle tone after exercise or activity
Term
systemic vascular resistance
Definition
the forse or resistance of the blood in the blody's blood vessels that helps return blood to the heart
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