Why the study?
Does the inspiration/expiration ratio influence heart rate asymmetry in healthy volunteers?
Does the inspiration/expiration ratio influence heart rate asymmetry in healthy volunteers?
The inspiration/expiration ratio significantly influences heart rate asymmetry but not standard heart rate variability parameters, suggesting HRA is a sensitive marker of cardiovascular regulation.
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I/E ratio alters HRA indices without affecting standard HRV in volunteers; hypothesis-generating for HRA sensitivity beyond conventional measures.
Klintworth et al. (2012) studied this question.