A patient was brought to the OR and sedated. She was then placed in the supine position on a water filled cushion. The C arm image interfere was positioned in the correct anatomical location above the left renal and total of 2500 high energy shock waves were applied from outside of the body. Energy levels were slower started and O2 increased up to a 7. Gradually the 2.5 cm stone was broke into smaller pieces as the number of shocked increased. The shockers were started at 60 per minute and lowing increased to 90 per minute. The patients heart rate and blood pressure were stable throughout the entire procedure. She was transported to recovery in good condition.

A. 50081, 74425
B. 50130,76770
C. 50060
D. 50590