Cardiac Output Measurement: Do You Really Understand the Underlying Principles? Valerie Sera DDS, MD Matthew Caldwell MD Fegler introduced the thermodilution method for measuring blood flow in 1954. The introduction…
Remember that the Effects of Prone Positioning Depend on Frames Laura H. Ferguson MD Shawn T. Beaman MD Prone positioning is necessary for surgical access to the posterior spine, the…
Do Not Improvise Techniques to Warm Patients—Use Warming Devices only as Per Manufacturers’ Recommendations Jeff T. Mueller MD NORMAL THERMOREGULATION AND MONITORING STANDARDS In human beings, thermoregulatory mechanisms maintain a…
Brain Function Monitors Attempt to Link an Intraoperative Measurement with Postoperative Recall—Much Is Known and More is Unknown as Definitive Practice Parameters and “Best Use” Guidelines for These Monitors Stephen…
Don’t Let the Tourniquet Time Run Long Byron D. Fergerson MD Randal O. Dull MD, Phd A senior anesthesiologist once facetiously remarked to the authors that tourniquet use requires its…
Noninvasive Blood Pressure Management—It’s Not Just a Piece of Nylon Around the Arm Jorge Pineda JR MD Stephen T. Robinson MD The automated, noninvasive, blood-pressure cuff is a safe, commonly…
The End-Tidal CO2 Monitor is More Than Just a “The Tube is the Airway” Device Brian Woodcock MB, CHB, MRCP, FRCA, FCCM Anesthesia providers most commonly use a capnogram to…
Pulse Oximetry: Even a Simple Device Requires User Understanding Jorge Pineda JR MD Stephen T. Robinson MD Pulse oximetry has become an invaluable tool in the current practice of perioperative…
Consider Methemoglobinemia After Ruling Out the Common Causes for a Low Pulse Oximeter Reading Leena Mathew MD Philip Shin MD Walter L. Chang MD A morbidly obese 39-year-old man presented…
Remember that Elevated Temperature is a Late Finding in Malignant Hyperthermia James C. Opton MD Malignant hyperthermia (MH) is a clinical syndrome characterized by uncontrolled skeletal muscle metabolism. First defined…
