MACWILLIAM, John Alexander (1857 – 1937)
1857 – 1937
4 entries in the GMN corpus.
Image source Unknown author Unknown author · University of Aberdeen · Public domain
1887 CE
#2791
Fibrillar contraction of the heart.
MacWilliam discovered that fibrillar contraction of the heart is due to “a rapid succession of incoordinated peristaltic contractions.” He clearly described auricular and ventricular fibrillation, and show…
1889 CE
#2797
Cardiac failure and sudden death from ventricular fibrillation.
First description of a case of death from ventricular fibrillation.
1889 CE
#12267
Cardiac failure and sudden death.
"Physiologists and physicians had proposed various theories to explain transient and fatal cardiac standstill in animals and humans who were apparently healthy. MacWilliam defined two distinct mechanisms depending on …
1889 CE
#7996
Electrical stimulation of the heart in man.
MacWilliams described experiments in which application of an electrical impulse to the human heart in asystole caused a ventricular contraction, and that a heart rhythm of 60–70 beats per minute could be evoked …