학술논문

The part of AV-node variability in total heart rate variability evaluated by fixed rate atrial pacing
Document Type
Conference
Source
Computers in Cardiology 1994 Computers in cardiology 1994 Computers in Cardiology 1994. :313-315 1994
Subject
Bioengineering
Computing and Processing
Signal Processing and Analysis
Heart rate variability
Heart rate
Strontium
Frequency
Surgery
Autonomic nervous system
Spectral analysis
Cardiology
Hafnium
Pacemakers
Language
Abstract
In thirteen patients with coronary artery bypass graft surgery, heart rate variability (HRV) was investigated shortly after arrival in an intensive care unit. Recordings were made under 3 different conditions: sinus rhythm (SR), and fixed rate atrial pacing with increases in heart rate of 25% (p1) and 50% (p2). When using a fixed rate atrial pacemaker there was still a determinable HRV discernible from noise. HRV decreased in both pacing conditions inversely to heart rate (p