1. Phasic voltage ECG variation during laparoscopy
S. Bansal 
British Journal of Anaesthesia 
Volume 98, Issue 6, Pages (June 2007)
DOI: /bja/aem114
Copyright © 2007 British Journal of Anaesthesia Terms and Conditions

2. Fig 1
Intraoperative lead II ECG tracing revealing marked phasic voltage variation depending on respiration; inspiration is indicated by Insp and expiration by Exp. Amplitude of each QRS complex in millivolt; QRS-max and QRS-min demonstrate maximum and minimum amplitude of the QRS complex, respectively.
British Journal of Anaesthesia  , DOI: ( /bja/aem114)
Copyright © 2007 British Journal of Anaesthesia Terms and Conditions