Intraaortic Balloon Counterpulsation Improves Right Ventricular Failure Resulting From Pressure Overload William C Darrah, Michael D Sharpe, Gerard M Guiraudon, Andy Neal The Annals of Thoracic Surgery Volume 64, Issue 6, Pages 1718-1723 (December 1997) DOI: 10.1016/S0003-4975(97)01102-8
Fig. 1 Electrocardiogram tracing (lead II) at baseline (A), immediately after partial constriction of the pulmonary artery (B), and immediately after the institution of intraaortic balloon counterpulsation (C). The Annals of Thoracic Surgery 1997 64, 1718-1723DOI: (10.1016/S0003-4975(97)01102-8)