Image: The cardiac conduction system. The SA node is the natural pacemaker of the heart. You may have heard of permanent pacemakers (PPMs) and temporary pacing wires (TPWs) which are used when the SA node has ceased to function properly.
Grace [grace] as a girls' name is pronounced grayce. It is of Latin origin, and the meaning of Grace is favor, blessing. From grtia. A virtue name introduced by the Puritans, referring to God's grace. It has the same meaning as Anna and Hannah and may be used as a variation of these. In Ireland it is used as an anglicization of Grainne.
The name Olivia is a Spanish baby name. In Spanish the meaning of the name Olivia is: Olive. Swedish Meaning: The name Olivia is a Swedish baby name. In Swedish the meaning of the name Olivia is: Olive.American Meaning: The name Olivia is an American baby name. In American the meaning of the name Olivia is: Olive.Latin Meaning: The name Olivia is a Latin baby name. In Latin the meaning of the name Olivia is: Olive: symbol of peace.Shakespearean Meaning: The name Olivia is a Shakespearean baby name. In Shakespearean the meaning of the name Olivia is: Twelfth Night', also called 'What You Will' A rich countess.n Latin the meaning of the name Olivia is: Olive: symbol of peace. Shakespearean Meaning: The name Olivia is a Shakespearean baby name. In Shakespearean the meaning of the name Olivia is: Twelfth Night', also called 'What You Will' A rich countess.