text: A<unk>  (innocent murmur, physiologic murmur) is a heart murmur that is primarily due to physiologic conditions outside the heart, as opposed to structural defects in the heart itself.  Serious conditions can arise even in the absence of a primary heart defect, and it is possible for peripheral conditions to generate abnormalities in the heart. Therefore, caution should be applied to use of the terms "innocent" or "benign" in this context.
option_0: Functional murmur
option_1: Austin Flint murmur
option_2: Continuous murmur
option_3: Still's murmur
option_4: Diastolic heart murmur
option_5: Systolic heart murmur
option_6: Graham-Steell murmur
option_7: Pulsus alternans