Key result
Human right atrial preparations exhibited a shorter duration of contraction (308 +/- 15 ms) than right ventricular preparations (620 +/- 25 ms), driven by decreased phospholamban and increased SERCA.
Absolute Event Rate: 308% vs 620%
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Does not support changes in clinical practice; extends animal phospholamban-SERCA observations to human preparations but remains hypothesis-generating.
Peter Boknı́k (1999) studied Human heart preparations (n=6). Right atrial preparations vs. Right ventricular preparations was evaluated on Duration of contraction (ms). Human right atrial preparations exhibited a shorter duration of contraction (308 +/- 15 ms) than right ventricular preparations (620 +/- 25 ms), driven by decreased phospholamban and increased SERCA.
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