In some cases, patients are intubated as a precaution; the machine can monitor breathing and supplement the patient as much or as little as they need.

The machines might be monitoring her progress, but that meant they would be watching at the receiving station in Dradom; that would be too late.

My machines are monitoring everything.

A machine monitored your heart activity, Mr. Perry.

The machine monitors the baby's heart beat, and if the heart should stop sets off an alarm to alert the parents.

This machine, the Swifts' latest invention, monitored the space lanes at all times.

The machines, artfully programmed, can monitor minute changes in the two markets, in search of "spreads," or price differentials, between the two.

So some machines will monitor all passengers as they pass.

Other sophisticated machines can monitor infants with respiratory disorders like apnea or those with heart problems.

A complex machine monitored his internal activity: it kept note of his blood pressure, his heart rate, his temperature and his respiratory apparatus.