Heart sounds and murmurs Lecture 4
Heart sounds <ul><ul><li>Tricuspid valve : Right half at the lower end of the sternum body. </li></ul></ul><ul><ul><li>Mit...
Where can we hear the sound
<ul><li>Heart Murmurs are the result of turbulent blood flow, which produces a series of vibrations in cardiac structure <...
Types of murmurs <ul><li>Systolic Murmurs </li></ul><ul><ul><li>Between S 1  & S 2 </li></ul></ul><ul><li>Diastolic Murmur...
Systolic murmurs  <ul><li>Incompetence or regurgitation of A V valves . </li></ul><ul><li>Stenosis of semilunar values. </...
Diastolic murmur <ul><li>Stenosis of AV valves. </li></ul><ul><li>Incompetence of semilunar valves. </li></ul>
Continuous murmur <ul><li>Patent ductus arteriosus </li></ul>
Murmurs  <ul><li>Mitral Stenosis </li></ul><ul><li>Mitral Insufficiency </li></ul><ul><li>Aortic Stenosis </li></ul><ul><l...
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Cardiovascular System4

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Cardiovascular System4

  1. 1. Heart sounds and murmurs Lecture 4
  2. 2. Heart sounds <ul><ul><li>Tricuspid valve : Right half at the lower end of the sternum body. </li></ul></ul><ul><ul><li>Mitral valve : Apex of the heart (Left 5 th intercostal space at the mid-clavicular line). </li></ul></ul><ul><ul><li>Pulmonary valves : Left 2 nd intercostal space close to sternum. </li></ul></ul><ul><ul><li>Aortic valve : Right 2 nd intercostal space close to sternum. </li></ul></ul>
  3. 3. Where can we hear the sound
  4. 4. <ul><li>Heart Murmurs are the result of turbulent blood flow, which produces a series of vibrations in cardiac structure </li></ul><ul><ul><li>High rates of flow through normal or abnormal valves. </li></ul></ul><ul><ul><li>Forward flow through an incompetent valve, septal defect, or PDA (Patent ductus arteriosis). </li></ul></ul><ul><ul><li>Decreased viscosity, which causes increased turbulence and contributes to the production & intensity of murmur. </li></ul></ul>
  5. 5. Types of murmurs <ul><li>Systolic Murmurs </li></ul><ul><ul><li>Between S 1 & S 2 </li></ul></ul><ul><li>Diastolic Murmurs </li></ul><ul><ul><li>Between S 2 & S 1 </li></ul></ul><ul><li>Continuous Murmurs </li></ul><ul><ul><li>Begins with S 1 and continues through S 2 into diastole. </li></ul></ul>
  6. 6. Systolic murmurs <ul><li>Incompetence or regurgitation of A V valves . </li></ul><ul><li>Stenosis of semilunar values. </li></ul><ul><li>Septal defect. </li></ul><ul><li>Anemia . </li></ul>
  7. 7. Diastolic murmur <ul><li>Stenosis of AV valves. </li></ul><ul><li>Incompetence of semilunar valves. </li></ul>
  8. 8. Continuous murmur <ul><li>Patent ductus arteriosus </li></ul>
  9. 9. Murmurs <ul><li>Mitral Stenosis </li></ul><ul><li>Mitral Insufficiency </li></ul><ul><li>Aortic Stenosis </li></ul><ul><li>Tricuspid Stenosis </li></ul><ul><li>Tricuspid Insufficiency </li></ul><ul><li>Pulmonary Stenosis </li></ul><ul><li>Pulmonary Insufficiency </li></ul>
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