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Simplified antepartum fetal heart assessment
Antepartum fetal heart rate monitoring based on the association of fetal heart rate accelerations with fetal movements (non-stress test) is a standard method for fetal surveillance. Application of this method requires a continuous fetal heart rate recording monitor. Audible detection of heart rate accelerations was compared with recorded accelerations in 100 tests. A listening observer detected 77.7 per cent of all accelerations with an amplitude of at least 15 beats/minute. This allowed the detection of 94.2 per cent (82 out of 87) reactive non-stress tests. In no case was a non-reactive test called falsely reactive by the listening observer. This method may be useful for assessing fetal condition when continuous fetal heart rate monitors are not available.
Antepartum fetal heart rate monitoring based on the association of fetal heart rate accelerations with fetal movements (non-stress test) is a standard method for fetal surveillance. Application of this method requires a continuous fetal heart rate recording monitor. Audible detection of heart rate accelerations was compared with recorded accelerations in 100 tests. A listening observer detected 77.7 per cent of all accelerations with an amplitude of at least 15 beats/minute. This allowed the detection of 94.2 per cent (82 out of 87) reactive non-stress tests. In no case was a non-reactive test called falsely reactive by the listening observer. This method may be useful for assessing fetal condition when continuous fetal heart rate monitors are not available.