Death and injury to patients under conscious sedation can be prevented. Two physicians strive to balance life and work – and sleepless nights – to bring peace of mind to families.

It is a few days before Christmas Eve. That Dr. Guelay Bilen-Rosas has found time to be interviewed is a small miracle in itself.

A pediatric anesthesiologist at UW Health, she is preparing for an upcoming 20-hour operation. Her patients, she admits, are never far from her mind.

Still, Dr. Bilen-Rosas is gracious and eager to talk about a remarkable technology that has been her waking dream for the last several years.

Guelay is joined by her co-inventor and husband, Dr. Humberto (Tito) Rosas, a radiologist. Together they describe a truly nightmarish scenario:

Imagine a loved one is undergoing surgery, or even a seemingly routine procedure such as a colonoscopy or dental extraction. He or she is administered a potent intravenous anesthetic. At some point, alarms begin to wail. The patient stopped breathing three minutes ago. Read the full story here.