Sacred Healing( Player's Handbook II, p. 89)
You can channel divine energy to aid in your efforts to tend to a comrade's injuries, sickness, or other conditions.
Ability to turn undead,
Sacred Purification (PH2) ,
As a swift action, you can expend a turn undead attempt to augment your ability to tend to the wounds of others. You gain a +5 bonus on Heal checks and a +2 bonus per die on the damage healed by any conjuration (healing) spells you cast. This benefit lasts until the end of your current turn.