The researchers recently created an obese virtual patient to demonstrate what happens to radiation in this body type.

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Dr. Xu's team showed that the virtual patient, using more sophisticated modeling such as how fat is distributed in the body, can provide more accurate calculations of how much additional radiation an overweight person requires.

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McGee, had developed a prototype for a Virtual Patient program, one that third and fourth year Harvard Medical students could utilize (on CD-ROM) to learn some of the details of patient care that they would not be able to pick up on rounds.

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Reed medical editors spotted that hospitals' largest legal liability was the result of nurses giving the wrong drugs to patients, so they created Virtual Clinical Excursions, an interactive CD dubbed "Nursetendo" in which a virtual kidney patient goes into shock and dies.

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For example, AirStrip offers virtual real time remote patient heart monitoring technology to a broad array of acute patient clinical settings.

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Mr Wladawsky-Berger's hospital would similarly crunch patient-data using the internet, or grid, as if it were a single, giant virtual microprocessor, but for a more earth-bound purpose.

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Reed's medical editors saw that hospitals' largest legal liability was the result of nurses giving the wrong drugs to patients, so they created Virtual Clinical Excursions, an interactive CD dubbed "Nursetendo" in which nurses administer drugs virtually to a kidney patient who eventually goes into shock and dies.

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