Ambulatory surgery depends on safe, expertly controlled anesthesia, and safe anesthesia demands accurate patient monitoring. For anesthesiologists, vital signs monitors are second nature. We master them the first week of residency and they become instinctive. But the rest of your OR team is also critical in staying on top of the EKG, blood pressure, pulse oximetry, end tidal CO2 and temperature readings. Here's advice on getting the most out of your monitors so that they can contribute more significantly to patient care.