ABC of interventional cardiology: Percutaneous coronary intervention: cardiogenic shock

An authors' error occurred in this article by John Ducas and Ever D Grech (28 June, pp 1450-2). In the subsection “Supporting systemic blood pressure” (p 1451) the description of intra-aortic balloon pump counterpulsation should read: “Inflation occurs in early diastole [not end diastole], greatly increasing aortic diastolic pressure to levels above aortic systolic pressure.”