Baum T, Peters J R, Butz F, Much D R
J Appl Physiol. 1975 May;38(5):932-3. doi: 10.1152/jappl.1975.38.5.932.
A multibarrell electrode designed for the location of the His bundle (HB) in open-chest dogs is described. The barrels may be used for the introduction of electrodes into the region of the HB for recording or pacing or for the injection of formaldehyde into the area to produce atrioventricular block.