0:06
Heartbeat thumping.
0:01
Human heartbeat pulsating and throbbing once
0:31
Human heartbeat pulsating and throbbing slowly in a loop
0:32
Human heartbeat pulsating and throbbing quickly in a loop
0:31
Human heartbeat pulsating and throbbing very slowly in a loop
0:57
Human heartbeat pulsating and throbbing and accelerating in panic and fear
0:26
Human heartbeat pulsating and throbbing in a loop
1:00
Human heartbeat pulsating and throbbing and decelerating while calming down
0:01
Single human heartbeat.
0:01
Single human heartbeat.
0:01
Single human heartbeat.
0:01
Single human heartbeat.
0:01
Single human heartbeat.
0:01
Single human heartbeat.
0:01
Single human heartbeat.
0:01
Single human heartbeat.
0:31
Heart rate monitor or EKG beeps at 700 milliseconds steady
1:29
Heart rate monitor or EKG beeps accelerating and decelerating
0:02
Heart rate monitor or EKG beeps at 500 milliseconds x4
1:11
Heart rate monitor or EKG beeps accelerating with a sudden recovery