Cannabaceae

Birmingham University Medical School

Leon David Abrams FRCS (1923–2012) was a British cardiothoracic surgeon who developed and implanted the first variable rate heart pacemaker, together with Ray Lightwood, at the University of Birmingham.[1]

Leon Abrams was born in Leeds.[2] He graduated from Birmingham University with an MBChB degree in Medicine in 1945.[3]

Abrams was a cardiothoracic surgeon at Queen Elizabeth Hospital Birmingham. With medical engineer Ray Lightwood, he developed and implanted the first variable rate pacemaker in 1960. The first variable rate pacemaker implant took place in March 1960. Two further implants took place in April 1960. Fifty-six patients had received implants by 1966. He set up a leading centre for lung and heart surgery at Queen Elizabeth Hospital Birmingham.[1][2][4][5]

Leon Abrams was elected a Fellow of the Royal College of Surgeons in 1951.[2]

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One thought on “Cannabaceae

  1. Well, that’s interesting to know that Psilotum nudum are known as whisk ferns. Psilotum nudum is the commoner species of the two. While the P. flaccidum is a rare species and is found in the tropical islands. Both the species are usually epiphytic in habit and grow upon tree ferns. These species may also be terrestrial and grow in humus or in the crevices of the rocks.
    View the detailed Guide of Psilotum nudum: Detailed Study Of Psilotum Nudum (Whisk Fern), Classification, Anatomy, Reproduction

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