Excitatory effects of acetylcholine on the heart quantitation and pharmacological antagonism

Thesis (Ph.D.)--Boston UniversityPLEASE NOTE: Boston University Libraries did not receive an Authorization To Manage form for this thesis or dissertation. It is therefore not openly accessible, though it may be available by request. If you are the author or principal advisor of this work and would like to request open access for it, please contact us at open-help@bu.edu. Thank you.Acetylcholine (Ach) has been shown to have excitatory effects on the mammalian heart, and it is possible that these actions may be related to certain arrhythmias. To test this hypothesis experiments were designed to study in vivo and in vitro these effects of Ach on atrial refractoriness, excitability, and rate and tension [TRUNCATED]2031-01-0