top of page
PASSRACGP Logo_white.png

Progress

0%

Cardiovascular

Innocent Murmur

Definition

  • Non-pathological heart murmur in healthy children, unrelated to structural heart disease

____________________________________

Symptoms

  • Asymptomatic with no cyanosis, syncope, failure to thrive, or dyspnoea

____________________________________


Diagnosis: 7 S’s

  • Sensitive: Changes with position or respiration (softer when standing)

  • Short: Brief systolic murmur

  • Single: No extra heart sounds (e.g., clicks, gallops)

  • Small: Localised with no radiation

  • Soft: Low intensity (grade 1–3/6)

  • Sweet: Soft, blowing quality

  • Systolic: Ejection murmur with no diastolic component

____________________________________


Negative Indicators

  • Cyanosis, tachypnoea, tachycardia, oedema, or fatigue

  • Abnormal growth or weight gain

  • Heaves, thrills, diastolic murmur, or other abnormal findings

  • Rare in infants <1 year, requiring evaluation for congenital heart disease

____________________________________


Management

  • Reassurance: Educate parents on the benign nature of the murmur

  • Follow-up: Routine reviews to monitor for any changes

____________________________________


When to Refer

  • Concerning signs such as failure to thrive, cyanosis, syncope, or exertional symptoms

  • Persistent murmur despite positional changes

  • Features not fitting the 7 S’s

  • Referral to a paediatric cardiologist for echocardiography

Bookmark Failed!

Bookmark Saved!

bottom of page