1: Cardio - Innocent Murmurs Flashcards
What are innocent murmurs
Benign physiological murmurs heard in absence of underlying cardiac disease
What is the commonest cause of murmurs in children
Innocent murmurs
What % of children will have an innocent murmur
80%
What causes innocent murmurs
- Turbulent flow on outflow tract
What is a method to remember clinical features of innocent murmurs
4S
What are the 4S of an innocent murmur
Systolic
Soft
aSymptomatic
left Sternal edge
How may an innocent murmur be intensified
- Change in position
- Increased cardiac output such as exercise or fever
What are the three types of innocent murmur
- Ejection systolic
- Pulmonary systolic
- Venous brum
What causes a systolic ejection murmur
Generated in outflow tract
How will a systolic ejection murmur present
Soft brum
Where is a systolic ejection murmur heard
Left sternal edge
What are the characteristics of a pulmonary systolic murmur
Soft blowing, ejection-systolic murmur
What causes a pulmonary systolic murmur
Mild pulmonary stenosis
Where is a pulmonary systolic murmur best heard
Left sternal edge
What position is a pulmonary systolic murmur best heard
Supine
