18,323円
On October 29th 1953 in Lund, Sweden, Inge Edler, cardiologist, and Hellmuth Hertz, physicist, performed the first successful Ultrasoundcardiogram (UCG), later renamed Echocardiogram. A few weeks later, on December 16th, the neurosurgeon Lars Leksell diagnosed an intracranial bleeding in a 16-mon...