Jurors in the trial of Michael Jackson’s doctor began hearing Thursday from a top expert on propofol, the surgical anesthetic that led to the singer’s death.
Dr. Steven Shafer, a professor of anesthesiology at Columbia University, told jurors that when the drug was first introduced in the early 1990s for sedation, he conducted the research that established the dosing guidelines that are still currently in use.
Shafer said in his analysis, he discovered that propofol had to be used carefully because if the doctor is “off by just a little,” a dose could result in a patient taking hours rather than minutes to wake up from sedation.
Dr. Conrad Murray is accused of involuntary manslaughter for Jackson’s June 25, 2009, death from the effects of the drug, which he said he gave the singer nightly over two months to get him to sleep.
Responding to a prosecutor’s questions, Shafer also corrected what a defense attorney had earlier told jurors - -that he was a student of the defense’s main medical expert, Dr. Paul White.
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