Pulmonary ejection murmur

From WikiLectures

  • systolic functional heart murmur, physiological, innocent
  • it is caused by the rapid expulsion of blood in the lung
  • characteristic: pronounced (up to 3/6), blowing character, softer than a vibrating rustle[1]
  • listening maximum: left upper edge of sternum
    • it changes with position - it is better heard lying down than standing up
    • intensifies during exertion, fever, anemia and poor posture, which leads to the heart moving closer to the front wall of the chest
  • is similar to the auscultatory finding in a secundum-type atrial septal defect – murmurs can be differentiated by the split of the second sound above the lung: in an innocent murmur, the split is only in inspiration, in the case of an atrial septal defect, the split is constant
  • incidence: asthenic children with a weak chest wall[1]

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  1. a b LEBL, Jan, Kamil PROVAZNÍK a Ludmila HEJCMANOVÁ, et al. Preklinická pediatrie. 2. vydání. Praha : Galén, 2007. s. 118. ISBN 978-80-7262-438-6.