Testimony resumes in Michael Jackson doctor trial

--> AAA??Oct. 24, 2011?12:25 PM ET
Testimony resumes in Michael Jackson doctor trial
ANTHONY McCARTNEYANTHONY McCARTNEY, AP Entertainment Writer?THE ASSOCIATED PRESS STATEMENT OF NEWS VALUES AND PRINCIPLES?

Dr. Conrad Murray sits in a courtroom during his involuntary manslaughter trial in Los Angeles, Friday, Oct. 21, 2011. Murray has pleaded not guilty and faces four years in prison and the loss of his medical license if convicted of involuntary manslaughter in Michael Jackson's death. (AP Photo/Reed Saxon, Pool)

Dr. Conrad Murray sits in a courtroom during his involuntary manslaughter trial in Los Angeles, Friday, Oct. 21, 2011. Murray has pleaded not guilty and faces four years in prison and the loss of his medical license if convicted of involuntary manslaughter in Michael Jackson's death. (AP Photo/Reed Saxon, Pool)

In this Thursday, Oct. 20, 2011, photo, J. Michael Flanagan, a defense attorney for Dr. Conrad Murray, looks on during Murray's involuntary manslaughter trial in Los Angeles. Murray has pleaded not guilty and faces four years in prison and the loss of his medical license if convicted of involuntary manslaughter in Michael Jackson's death. Attorneys for the doctor charged in Michael Jackson?s death are expected to begin their case on Monday, Oct. 24, 2011, after they finish grilling a key prosecution expert. (AP Photo/Reed Saxon, Pool)

Anesthesiology expert Dr. Steven Shafer holds an intravenous line as he is cross examined by Ed Chernoff, a defense attorney for Dr. Conrad Murray, background right, during Murray's involuntary manslaughter trial in Los Angeles, Friday, Oct. 21, 2011. Murray has pleaded not guilty and faces four years in prison and the loss of his medical license if convicted of involuntary manslaughter in Michael Jackson's death. (AP Photo/Reed Saxon, Pool)

Ed Chernoff, left, a defense attorney for Dr. Conrad Murray, holds up an intravenous line as he cross examines anesthesiology expert Dr. Steven Shafer, background right, during Dr. Conrad Murray's involuntary manslaughter trial in Los Angeles, Friday, Oct. 21, 2011. Murray has pleaded not guilty and faces four years in prison and the loss of his medical license if convicted of involuntary manslaughter in Michael Jackson's death. (AP Photo/Reed Saxon, Pool)

(AP) ? An expert in the powerful anesthetic blamed for Michael Jackson's death has resumed testifying in the involuntary manslaughter trial of the singer's personal physician.

Dr. Steven Shafer is being cross-examined by Dr. Conrad Murray's lead defense attorney, Ed Chernoff. Shafer's testimony is expected to conclude Monday and the defense will begin its case.

Chernoff questioned Shafer about models detailing the effects of the anesthetic propofol that show that the risk of a patient's breathing stopping comes in the first few minutes after the drug is administered. Shafer agreed, but said it was hard to know exactly how propofol affected Jackson because he had other sedatives in his system and because he had been receiving propofol on a nightly basis for more than two months.

Murray has pleaded not guilty.

Associated Press

Source: http://hosted2.ap.org/APDEFAULT/4e67281c3f754d0696fbfdee0f3f1469/Article_2011-10-24-Michael%20Jackson-Doctor/id-6b976f31df0848a58f5c16a1248526af

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