Functional (flow) murmur Flashcards
1
Q
What is a functional (flow) murmur?
A
A systolic murmur seen in the setting of higher heart rate caused by infection, anemia, or pregnancy.
2
Q
What causes a functional murmur?
A
Increased flow across the pulmonic and/or aortic valves.
3
Q
Why is it called a functional murmur?
A
Because it goes away once the heart rate comes back down.
4
Q
In what context is a functional murmur commonly seen?
A
- Seen all over 2CK forms for kids, where they try to trick you into thinking the kid has a valvular pathology of some kind, but there isn’t; there will
merely be an infection or simple viral infection.
5
Q
What time of heart pathology can a functional murmur be associated with?
A
It can be seen with ASD where the patient will have fixed splitting of S2 plus a systolic murmur due to higher right-sided volume so more flow across the pulmonic valve.