He listened to Murgatroyd's heartbeat with it while Murgatroyd dozed.
Then, at last, he detected a heartbeat, very feeble and slow yet unmistakable.
For a heartbeat, he started to relax the pressure on the throat.
DeVore looked at his superior expressionless for a heartbeat.
For a heartbeat, Stan regarded the fellow consideringly, then he shook his head.
The sense of time deserted him when the metronome of heartbeat died.
His heartbeat quickened with anxiety over her apparent shock.
Daoud's heartbeat quickened and he tensed when his turn came to pass.
His heartbeat was thundering in his ears and his knees were quivering.
When one is lying quietly, the heartbeat is at its lowest point.