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1 Jan 1952 Jahr - New event

Beschreibung:

Swedish cardiologist Inge Edler and German physicist Carl Hellmuth Hertz launch the field of echocardiography, by adapting for human use a sonar device (that was used for detecting submarines in World War II) and using it to record echoes from the walls of a human heart. American cardiologist Paul Zoll develops the first external cardiac pacemaker.

Zugefügt zum Band der Zeit:

myocardial infarction treatment & diagnostic evolution over the past 70 years

11 Nov 2019

0

0

240

Datum:

1 Jan 1952 Jahr

Jetzt

~ 72 years ago

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