Q: Can CPR be done in Prone position?

Answer:  Yes.

Also known as reverse CPR, has actually shown to generates higher mean Systolic blood pressure and higher Mean Arterial Pressure during circulatory arrest than standard CPR. It can be done by turning the head to the side and compressing the back. 

References:

1. Mazer SP, Weisfeldt M, Bai D, Cardinale C, Arora R, Ma C, Sciacca RR, Chong D, Rabbani LE.- Reverse CPR: a pilot study of CPR in the prone position. - Resuscitation. 2003 Jun;57(3):279-85.

2. Wei J, Tung D, Sue SH, Wu SV, Chuang YC, Chang CY (21 July 2005). "Cardiopulmonary resuscitation in prone position: a simplified method for outpatients" (PDF). Journal of the Chinese Medical Association (Elsevier, published May 2006) 69 (5): 202–206.