Innocent murmurs Flashcards
1
Q
What type of innocent murmurs are heard in children?
A
ejection murmurs
venous hums
still’s murmur
2
Q
what causes ejection murmurs?
A
turbulent blood flow at the outflow that of the heart
3
Q
what causes venous hums?
A
Due to the turbulent blood flow in the great veins returning to the heart.
Heard as a continuous blowing noise heard just below the clavicles
4
Q
what is a still’s murmur?
A
Low-pitched sound heard at the lower left sternal edge
5
Q
what are the characteristics of an innocent ejection murmur?
A
soft-blowing murmur in the pulmonary area or short buzzing murmur in the aortic area
may vary with posture
localised with no radiation
no diastolic component
no thrill
no added sounds (e.g. clicks)
asymptomatic child
no other abnormality
