0:15
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Heart monitor beeps steadily
0:08
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Heart monitor flat line
0:26
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Heartbeat starts slow then speeds up and intensifies under stress and pressure
1:00
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Heartbeat accelerates
0:26
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Heartbeat starts slow then speeds up and intensifies under stress and pressure
0:30
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Evil heart beating
1:00
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Heartbeat Loop 135 bpm
1:03
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Heart beat, very fast speed, hospital loop
0:27
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Heart attack monitor beeps
0:26
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Ambient room noise of the emergency room or operating room with heart monitor beeps and crowd chatter.