Reading...
Play button
Play button
Use LEFT and RIGHT arrow keys to navigate between flashcards;
Use UP and DOWN arrow keys to flip the card;
H to show hint;
A reads text to speech;
9 Cards in this Set
- Front
- Back
|
What cardiac disorders most commonly cause difficulty during pregnancy?
|
-valve damage caused by rheumatic fever or Kawasaki disease
-congenital anomalies such as atrial septal defect or uncorrected coarctation of the aorta -As well as: --aortic dilatation from Marfan's syndrome --coronary artery disease and varicosities in older women |
|
|
coarctation
|
narrowing
|
|
|
varicosity
|
a permanent abnormal dilation and lengthening of a vein, usually accompanied by some tortuosity
|
|
|
Both blood volume and cardiac output increase by approximately __% to __% during pregnancy. Half of the increase occurs by ______ and is maximized by ________.
|
30% to 50%;
Half of the increase occurs by 8 weeks and is maximized by mid pregnancy. |
|
|
The danger of pregnancy in a woman with cardiac disease occurs primarily because ______________.
|
... of the increase in circulatory volume. Toward the end of pregnancy a woman's heart may become so overwhelmed by the increase in blood volume that CO falls to the point that vital organs, including the placenta, are no longer perfused adequately and oxygen and nutritional requirements of her cells or those of the fetus are no longer met.
|
|
|
When is the most dangerous time during pregnancy for a woman and why?
|
The most dangerous time for a woman is inweeks 28 to 32, just after blood volume peaks. If the heart disease is severe symptoms can occur in early pregnancy.
|
|
|
Class of heart disease with pregnancy
|
Class I and II - can expect to experience a normal pregnancy and birth
Class III - can complete a pregnancy by maintaining almost complete bed rest Class IV - poor candidates for pregnancy because they are in cardiac failure even at rest |
|
|
Left sided heart failure occurs in conditions such as ...
|
-mitral valve stenosis
-mitral insufficiency -aortic coarctation |
|
|
mitral valve
|
aka bicuspid valve; the valve between the left atrium and left ventricle that prevents backflow of blood into the left atrium
|
