Dr. Conrad Murray testified that he injected Michael Jackson with approximately 2.5 ml of Propofol on the day Jackson died, well within accepted medical dosage limits. But how true is this statement exactly?

However, according to a credible anesthesiologist, 2.5 ml of Propofol wouldn’t have been enough to even put Jackson to sleep, so there virtually is no danger of killing him with that dose. As a matter of fact, the evidence seems to agree: autopsy results state that the amount of Propofol found in Michael Jackson’s body was more or less equivalent to that given during major surgery.

A report by TMZ notes that while there indeed was an empty 20 ml bottle of Propofol found on the scene, there also was a separate 100 ml empty bottle of Propofol found in a secret compartment with a tear on its rubber stopper.

The report points out that the tear could be critical: a tear on the stopper would probably mean that the Propofol was administered by directly connecting a tube to the bottle using a spike, with the liquid flow controlled by an infusion pump used to limit the amount of Propofol flowing into the patient’s body. However, search efforts in the scene have not uncovered such an infusion pump.

If Murray indeed used a direct tube injection, without an infusion pump, he would have had to control the amount of Propofol flowing into Jackson by merely eyeballing it and estimating. If the whole 100 ml bottle was emptied into Jackson’s body, this would have resulted in about 40 times the dosage that Murray claims he had given Jackson.

The American Society of Anethesiologists also wishes to share important medical information regarding the safe and responsible administration of Propofol in an official statement.

An earlier version of this article erroneously implied that Dr. John Dombrowski of the American Society of Anethesiologists was involved in any related investigation regarding Michael Jackson’s death. This has been corrected.

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