GENERAL KNOWLEDGE

GK

INVENTIONS

Question [CLICK ON ANY CHOICE TO KNOW THE RIGHT ANSWER]
What did cardiologist Dr. Paul Zoll invent in Massachusetts in 1952?
A
EKG
B
Artificial heart valve
C
Artificial heart
D
Pacemaker
Explanation: 

Detailed explanation-1: -In 1952, the electrical stimulation of the heart for resuscitation from ventricular standstill was Paul Zoll’s fundamental discovery.

Detailed explanation-2: -ZOLL Medical Corporation was founded in 1980. The company has more than 3, 000 employees worldwide. The founder, Paul M. Zoll, M.D., was the inventor of heart pacemaker technology in 1952 and the first person to externally defibrillate the heart in 1956.

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