Mr/Mrs o-o timi chai kina afno naam jastai geda jasto gaff gareko...the couging therapy in the powerpoint was suggested for a very small period of time and for a situation when no one is around and the help is on the way. The article by AHA also do not speak against this fact and do not suggest anything against it. If you think the information posted by OcRam is BS then there is only one way to deal with the situation if you have a sudden heart attack...wait for someone to come to rescue you or wait for the death to come.