Humans affect Earth's climate through many mechanisms by changing the abundance of greenhouse gases and air pollutants, and by altering the reflectivity of Earth's surface through changes in land use.
Siemens estimate the cost of operating MRI machine with a 1.5T to be around $ 300,000 a year (Keefer, 2011). This includes cost of acquiring and a technologist to operate the machine, cost of power and maintenance cost. The salary for an MRI radiologist ranges between $ 50,000 and 60,000 a year (Keefer, 2011).
1 About one in 20 patients feel claustrophobic or anxious inside a traditional MRI machine and require a mild sedative such as propofol (Diprivan) , which can cost about $125 - -$400. 2  It's estimated that 5%-10% of patients need a contrast solution, or special dye injected into the body, to further enhance the scan.dditional costs: 1  Prior to the scan, the patient will need to remove any jewelry or clothing containing metal. 2  The scan typically lasts 30-60 minutes, but may take longer. 3  Patients can expect to hear loud noises from the machine, but many MRI departments offer earplugs to block the sounds. 4  WebMD offers a detailed overview of the procedure.