cardiovascular disorders unit 2

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10 Terms

1
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preload is the

amount of blood in ventricles before contraction, also known as “end diastolic volume.”

2
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what is stenosis

narrowing or constriction of an opening

3
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regurgitation is the

back flow of blood from one area to another

4
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what is angina

cardiac pain associated with transient cacrdiac ischemia

5
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name the layers of the heart

  1. endocardium → lines inside the heart and covers the heart valves

  2. myocardium → muscle middle layer

  3. epicardium → the outer most

6
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what is mitral valve stenosis most likely caused by

untreated scarlet fever or rheumatic fever

7
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what happens in mitral valve stenosis?

causes obstruction of blood in L atrium and L ventricle

causes atrium to work harder to fill ventricles

causes

→ blood clots, increase pressure, edema, L sided heart failure

8
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what are s/sx of mitral valve stenosis?

  1. rheumatic fever

  2. tachycardia

  3. heart murmur

  4. atrial fibrillation

  5. heart failure

9
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treatment of mitral valve stenosis

  1. valve replacement, diurectics, digitalis, anticoagulants

10
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what is mitral valve regurgitation

  1. back flow of blood from L ventricle to L atrium