PREVIEW
... us and precious such an opportunity, she said word by word: "hammering in the precordial area is one of the effective measures for emergency CPR. The difference is that as long as the method is timely and grasped in time, the effective rate of terminating ventricular tachycardia is as high as 40%."
The answer was beautiful, Director Wu nodded straightly: "Tell me again, what is the standard of this operation?"
"The thumping point should be correct, at the lower 1/2 of the sternu ...
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