Still murmur

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Clinical manifestations

  • short, vibratory, grade 1-3, midsystolic murmur of low-pitch
  • best heard at the left sternal border
  • occasionally radiates to the cardiac apex
  • loudest with the patient supine
  • diminished in intensity when the patient sits or stands up (supine -> sitting or standing diminishes venous return to the heart)

Management

  • no further testing indicated

More general terms

References

  1. Cheng TO. Still's murmur. Am J Dis Child. 1988 Apr;142(4):416. PMID: https://www.ncbi.nlm.nih.gov/pubmed/3348184
  2. Cheng TO. Mechanism of Still's murmur. Am J Cardiol. 1992 Mar 15;69(8):839. PMID: https://www.ncbi.nlm.nih.gov/pubmed/1546675
  3. Kang S, Doroshow R, McConnaughey J, Shekhar R. Automated Identification of Innocent Still's Murmur in Children. IEEE Trans Biomed Eng. 2017 Jun;64(6):1326-1334. PMID: https://www.ncbi.nlm.nih.gov/pubmed/27576242