Key result
Spectral analysis of heart rate variability and plasma norepinephrine failed to explain the role of the autonomic nervous system in provoking transient ECG abnormalities in SAH patients.
Population
22 patients with subarachnoid hemorrhage
Design
Case_series
Follow-up
acute phase (up to Days 4-6)
Authors
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ECG changes in SAH may not be autonomically mediated; leaves open non-ANS mechanisms for targeted research.
Observational (n=22)
Electrocardiographic abnormalities in acute subarachnoid hemorrhage are transient and functional, but do not appear to be directly driven by elevated plasma norepinephrine or explained by spectral analysis of heart rate variability.
Švigelj et al. (1996) conducted an observational in subarachnoid hemorrhage (n=22). Subarachnoid hemorrhage was evaluated on electrocardiographic abnormalities and autonomic nervous system activity. Spectral analysis of heart rate variability and plasma norepinephrine failed to explain the role of the autonomic nervous system in provoking transient ECG abnormalities in SAH patients.
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