Lexic.us

Definition of Pacemaker

1. Noun. A leading instance in its field. "The new policy will be a pacesetter in community relations"

2. Noun. A specialized bit of heart tissue that controls the heartbeat.

3. Noun. An implanted electronic device that takes over the function of the natural cardiac pacemaker.

4. Noun. A horse used to set the pace in racing.

Definition of Pacemaker

1. Noun. One who sets the pace in a race, to guide the others. ¹

2. Noun. (anatomy) A set of nerves which stimulate the heart to beat. ¹

3. Noun. (context: hence medicine) A medical implement that is used to stimulate a heart to beat by simulating the action of the natural pacemaker. ¹

¹ Source: wiktionary.com

Definition of Pacemaker

1. [n -S]

Medical Definition of Pacemaker

1. 1. An object or substance that influences the rate at which a certain phenomenon occurs, often used alone to indicate the natural cardiac pacemaker or an artificial cardiac pacemaker. 2. A substance whose rate of reaction sets the pace for a series of interrelated reactions. (24 Mar 1998)

Lexicographical Neighbors of Pacemaker

pace-setter pace-setters pace car pace cars pace egg pace eggs pace lap pace notes pace setter pace setters

paced pacefollower paceite paceline pacelines pacemaker pacemaker failure pacemaker output pacemaker potential pacemaker sensitivity

pacemaker syndrome pacemakerlike pacemakers pacemaking pacemakings paceman pacemen pacer pacers paces

Literary usage of Pacemaker

Below you will find example usage of this term as found in modern and/or classical literature:

1. Pathological physiology of internal diseases by Albion Walter Hewlett (1916)
"The Pacemaker of the Heart Although any portion of the heart muscle is ... Contractions initiated by this pacemaker spread to all parts of the heart and ..."

2. Monographic Medicine by Albion Walter Hewlett, Henry Leopold Elsner (1916)
"The Pacemaker of tire Head Although any portion of the heart muscle is ... Contractions initiated by this pacemaker spread to all parts of the heart and ..."

3. Functional Pathology of Internal Diseases by Albion Walter Hewlett (1916)
"The Pacemaker of the Heart Although any portion of the heart muscle is ... Contractions initiated by this pacemaker spread to all parts of the heart and ..."

4. Successful Teaching in Rural Schools by Marvin Summers Pittman (1922)
"CHAPTER XXIII MARTHA TELLS OF THE NEWSPAPER—The Zone Pacemaker April 25 Dear Hilda: Some time ago I promised you that I would write you about our little ..."

5. Salesmanship and sales management by John George Jones (1917)
"Pacemaker and new men.—A salesman of the type described can be very helpful in studying the product, helping devise sales literature, and preparing the ..."

6. Clinical Cardiology by Selian Neuhof (1917)
"CHAPTER II THE CONDUCTION SYSTEM Position and Structure of the Pacemaker. ... This rhythm center is variously known as the pacemaker, the sino-auricular ..."

7. Therapeutics of the circulation by Thomas Lauder Brunton (1915)
"... —Bundle of Stanley Kent and His — Pacemaker of the Heart—Nodal Rhythm — Heart-block — Cause of Heart-block in Man—Functional Heart-block— Noeud Vital of ..."

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