Pulse transit time as a quick predictor of a successful axillary brachial plexus block.

@article{Kortekaas2012PulseTT,
  title={Pulse transit time as a quick predictor of a successful axillary brachial plexus block.},
  author={Minke C Kortekaas and Sjoerd P. Niehof and Marit H. N. van Velzen and Eilish M Galvin and Frank J P M Huygen and R J Stolker},
  journal={Acta anaesthesiologica Scandinavica},
  year={2012},
  volume={56 10},
  pages={1228-33}
}
BACKGROUND It can take up to 30 min to determine whether or not axillary block has been successful. Pulse transit time (PTT) is the time between the R-wave on electrocardiography (ECG) and the arrival of the resulting pressure pulse wave in the fingertip measured with photoplethysmography. It provides information about arterial resistance. Axillary block affects vasomotor tone causing loss of sympathetic vasoconstriction resulting in an increased PTT. Early objective assessment of a block can… CONTINUE READING
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