The work was supported by a grant-in-aid (#15GRNT23070001) from the American Heart Association (AHA); the Ricbac Foundation; NIH grants 1 R01 HL135335-01, 1 R21 HL137870-01, and 1 R21EB026164-01; and a Founders Affiliate Postdoctoral Fellowship (#19POST34450149) from the AHA. Author...
We were in-tending to obtain the values of RI and PI duringthe contractions and immediately after the properone. The RI and PI calculations were based on ananalysis of three displayed heart-cycle wave-forms. Only 27 measurements, of total 141 per-formed after the contraction, were registered...