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02.06 Heart Murmurs for CCRN Review

02.06 Heart Murmurs for CCRN Review

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Laura Gasparis Vonfrolio
PhD,RN,CCRN
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Heart Murmurs (Cheatsheet)
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Outline

Nursing Points

General

  1. Heart Murmurs
    1. Causes
      1. Valves stiff and open (blood flows through)
      2. Valves not completely closed -> insufficiency (backflow of blood)
    2. Locations are heart where the heart is directing the blood
      1. Aortic -> right
      2. Pulmonic -> left
      3. Mitral -> midclavicular left
      4. Tricuspid -> bottom sternum
    3. Systolic murmurs -> during contraction
      1. Sound = s1 -> swoosh -> s2
      2. Aortic stenosis
        1. Hear = harsh, loud, rough
        2. Caused by calcification of valves and rheumatic fever
      3. Mitral insufficiency
        1. Hear = loud, blow
        2. Caused by MI, rheumatic heart disease
    4. Diastolic murmurs -> during filling
      1. Sound = s1 -> s2 -> swoosh
      2. Mitral stenosis
        1. Hear = rumble
        2. Caused by calcification
      3. Aortic insufficiency
        1. Hear = blow
        2. Caused by systemic HTN and rheumatic heart disease
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