Pericardial friction murmur

From WikiLectures

  • occurrence: in pericarditis or in the first few days after open heart surgery (so-called "postpericardiotomy syndrome")
  • is caused by shifting and rubbing of inflammatory-altered pericardial leaves during heart movements
  • characteristics: rough, scratchy, may resemble the crunch of frozen snow under the shoe
  • audible anywhere on the chest, amplifies when the stethoscope is pressed
  • listening maximum: along the edge of the sternum
  • changes with position - more audible in forward bend and sitting position

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