Yea deshbhaktanepali, why don't you shoot yourself if you are having a heart attack then.. I think it would be a better idea than coughing.. Can you read the highlighted words moron..

It is only good for few seconds not 10 mins that the power point claims.. It is in second paragraph
It is only good for certain kind of heartattack.. It is in the 6th paragraph

Also visit the website at the bottom of the my post and you will know. Another moron who doesn't do more research of his own and jumps to conclusion.