title: Greening radiology.
abstract: OBJECTIVE
  Reducing energy consumption has increased in importance with rising energy prices and funding cutbacks. With the introduction of electronic medical records on the rise in all fields of medicine, there will be a large jump in the number of computers in health care. Radiologist have the unique opportunity, as technological leaders, to direct energy efficiency measures as a means of cost savings and the reduction of airborne by-products from energy production to improve patients' lives. The aim of this study was to assess the many workstations and monitors throughout the authors' department to determine their electrical consumption and cost.
  
  
  METHODS
  Equipment was monitored using an electricity meter during both active and standby states. Cost per kilowatt-hour was calculated at $0.11, not including taxes and fees.
  
  
  RESULTS
  Any given monitor left on 24/7 would annually consume between 49.5 and 1,399.84 kWh, costing from $5.45 to $153.98. A single workstation left on 24/7 would use 455.65 to 2,358.72 kWh, costing from $59.91 to $259.46. In aggregate, all workstations and monitors would use approximately 137,759.54 kWh, costing $15,153.55. If all equipment were shut down after an 8-hour workday, the department would consume about 32,633.64 kWh, costing $3,589.70 thereby saving 83,866.6 kWh and $9,225.33. Although computers in the remainder of the hospital may use less energy than workstations, this serves as a predictive model for potential energy consumption and cost.
  
  
  CONCLUSIONS
  With the increasing necessity of cost savings and energy reduction, this small and simple step, implemented hospital-wide, will lead to much larger cost savings across institutions.
authors: Department of Radiology, University of Maryland Medical Center, Baltimore, Maryland 21201, USA. prasanth45@gmail.com
authors: Prasanth M
authors: PM
authors: Prasanna
authors: Eliot
authors: E
authors: Siegel
authors: Amy
authors: A
authors: Kunce
mesh_terms: D017046:Cost Savings; D004781:Environmental Exposure / Q000517:prevention & control*; D004867:Equipment Design / Q000191:economics; D004869:Equipment Safety / Q000191:economics; D005544:Forecasting; D006801:Humans; D011871:Radiology / Q000191:economics / Q000295:instrumentation*; D011872:Radiology Department, Hospital / Q000191:economics; D013673:Technology Assessment, Biomedical / Q000191:economics*; D014481:United States