Artifact production with micromanometers used to record intracardiac pressure and sound.

@article{Brown1978ArtifactPW,
  title={Artifact production with micromanometers used to record intracardiac pressure and sound.},
  author={Catherine M. Brown and James R. Holmes},
  journal={Catheterization and cardiovascular diagnosis},
  year={1978},
  volume={4 3},
  pages={275-82}
}
In horses experimental right and left heart catheterization using a catheter with two microtransducers 9 cm apart, usually in a transvalval position produced pressure and sound artifacts that confounded the diagnosis. Most were probably due to malpositioning resulting in movement through a valve during recording or impingement on the valve cusps or the… CONTINUE READING