11.   In cases of severe multiple stings, it can stop the heart.

12.   In that moment of coming over the trees, the birds stopped the heart by arriving with the wingspan of Wilt Chamberlain.

13.   In the procedure, the first injection puts the prisoner to sleep, the second stops his breathing, and the third stops his heart.

14.   In severe cases the nitrogen bubbles can clog veins and stop the heart.

15.   Keyhole cardiac surgery is the gentler version of bypass surgery, which requires cutting open the chest and stopping the heart.

16.   Lancey stops the heart with a potassium injection.

17.   Nevertheless, Heartport claims that stopping the heart remains the key to safe, effective surgery.

18.   Potassium chloride stopped his heart.

19.   Richard Ferrari, chief executive at CardioThoracic Systems, contends that stopping the heart is necessary in a much smaller percentage of cases than current surgical practices might suggest.

20.   Researchers in the Soviet Union claimed they had the ability to stop the hearts of frogs, just by thinking about it.