A system for treating a heart of a patient comprising: a first catheter sheath that is configured so that a distal end of the catheter is advanceable into a first chamber of the heart, the first catheter sheath having a lumen and being further configured so that the distal end of the catheter sheath is positionable adjacent a first wall of the heart; a second catheter sheath advanceable through the lumen of the first catheter sheath, the distal portion of of the second catheter sheath having a curve, positionable so that is faces the first wall of the heart; a dilator having a tapered distal end that is advanceable through a lumen of the second catheter sheath and that is advanceable through the first wall of the heart; a guidewire that is advanceable through the lumen of the second catheter sheath and that is advanceable through the first wall so that a distal end of the guidewire is positioned within a second chamber of the heart, the dilator being configured so that it is advanceable over the guidewire, through the first wall, and into the second chamber of the heart, the dilator and second catheter sheath being advanceable from within the second chamber to perforate a second wall of the heart, and the guidewire being advanceable through the second wall so that the distal end of the guidewire is positioned external to the heart; a first anchor that is deliverable, via the second catheter sheath, to a position adjacent the second wall of the heart; a second anchor that is deliverable, via the first catheter sheath, to a position adjacent the first wall of the heart; and a tension member that operably couples the first anchor and the second anchor and that is configured to draw the first wall and the second wall toward one another via tension that is applied between the first anchor and the second anchor. a first catheter sheath that is configured so that a distal end of the catheter is advanceable into a first chamber of the heart, the first catheter sheath having a lumen and being further configured so that the distal end of the catheter sheath is positionable adjacent a first wall of the heart; a second catheter sheath advanceable through the lumen of the first catheter sheath, the distal portion of of the second catheter sheath having a curve, positionable so that is faces the first wall of the heart; a dilator having a tapered distal end that is advanceable through a lumen of the second catheter sheath and that is advanceable through the first wall of the heart; a guidewire that is advanceable through the lumen of the second catheter sheath and that is advanceable through the first wall so that a distal end of the guidewire is positioned within a second chamber of the heart, the dilator being configured so that it is advanceable over the guidewire, through the first wall, and into the second chamber of the heart, the dilator and second catheter sheath being advanceable from within the second chamber to perforate a second wall of the heart, and the guidewire being advanceable through the second wall so that the distal end of the guidewire is positioned external to the heart; a first anchor that is deliverable, via the second catheter sheath, to a position adjacent the second wall of the heart; a second anchor that is deliverable, via the first catheter sheath, to a position adjacent the first wall of the heart; and a tension member that operably couples the first anchor and the second anchor and that is configured to draw the first wall and the second wall toward one another via tension that is applied between the first anchor and the second anchor.