Portrait of Ernest Henry Starling, whose findings were milestones in the advance of cardiology and the treatment of heart diseases. "Triangle Volume 7 Number 5 1966" at head of sheet.
Background: Conduction system pacing (CSP), often accomplished with lumenless pacing leads, is increasingly employed to achieve physiologic ventricular activation. Extraction of CSP leads has raised concerns about damage to the conduction system, lead...