Career
Elmqvist initially worked as a medical doctor (having trained in Lund), but later worked as an engineer and inventor. In 1948, he developed the first inkjet Electrocardiogram printer which he called the mingograph while working at Elema-Schönander, a company which later became Siemens-Elema. In 1957, he received an honorary doctorate.
In 1960, he became Head of Development at Elema-Schönander.
Siemens-Elema"s pacemaker operations were sold to the American company Pacesetter Systems in 1994, which was subsequently sold to Street Jude Medical.