Dr. Conrad Murray Why I DIDN'T Call 911 Right Away: !!VIDEO !!

Dr. Conrad Murray says he didn't call 911 right away the morning Michael Jackson died because he is a "trained" cardiologist -- and he could do whatever paramedics could do.

Murray made that boastful statement in the documentary, "Michael Jackson and the Doctor: A Fatal Friendship" ... which first aired in the U.K. on Thursday night. However, this footage did not air in the ... TMZ/VIDEO