cardiac monitor
heart monitor

A cardiac monitor was in place, and a bag valve mask was over his face.

A cardiac monitor gives a visual display of the rhythm of your heart.

On the cardiac monitor, the green line began to spike and through erratically.

Three seconds went by, with the cardiac monitor registering a flat line.

On the cardiac monitor, the girl's heart rhythm stumbled.

The best thing that happened to me was when they took away the cardiac monitor.

To her left she heard the incessant beep of a cardiac monitor.

The sound of the cardiac monitor, which had been so constant during the operation, slowed to a painful pulse, then stopped.

Catherine looked at the cardiac monitor and saw a rapid heart rate but no arrhythmias.

Carrie heard the beeps of his cardiac monitor increase their tempo.