Heartbeat sound effects

Baby: girl, 14 weeks old, having fun

2840 614

Heart rate monitor: unstable signal

4014 1139

Horror: double heart strike (fast)

4140 1107

Horror: double heart beat (slow)

4605 1031

Boy, 18 weeks

4058 1142

Boy 18 weeks whimpering

4109 931

Boy 18 weeks, hysterical crying

3565 970