pacemaker

pace·maker (pās′māk′ər)

noun

1. a runner, horse, automobile, etc. that sets the pace for others, as in a race
2. a person, group, or thing that leads the way or serves as a model
Anat.
1. a dense network of interwoven, specialized muscle fibers in the right atrium of the heart that controls the rhythm of the electrical impulses that cause the heartbeat
2. any of several body parts that control the rhythm of a biological activity, as an area in the stomach that controls stomach contractions
Med. an electronic device implanted into the body and connected to the wall of the heart, designed to provide regular, mild, electric shock that stimulates contraction of the heart muscles and restores normalcy to the heartbeat

pace′·mak′·ing noun

Preposition: of

heart: The signals that make the heart's muscle fibers contract come from the sinoatrial node, which is the natural pacemaker of the heart.

Converse of object

implant: The greatest risk still appears to be implanted heart pacemakers, for which various problems are included in the RISKS archives.
insert: Four of the patients went on to have permanent pacemakers inserted.
fit: If you have a pacemaker fitted, consult your doctor before use.
have: There is a chance she may have to have a pacemaker in the future.
use: Nevertheless, any persons using a pacemaker, or having any history of epilepsy, would be advised to avoid this circuit.
wear: The former dictator has had three mild strokes, has diabetes and wears a pacemaker.

Adjective modifier

implantable: Implantable pacemakers first became available in the mid 1960s.
circadian: The final section was the analysis of a new periodically forced model, that of the human circadian pacemaker.
cardiac: The department are also able to offer an outpatient cardiac pacemaker follow up service.
artificial: The study shows that gene therapy could potentially be used instead of an artificial pacemaker.
permanent: The other end of the lead is inserted into the permanent pacemaker itself.
male: The sole purpose of the male pacemaker is to aid the leading woman.

Modifies a noun

implantation: Their post- pacemaker implantation status was obtained from hospital case notes.
insertion: YES NO 3. Do you feel your confidence has improved since pacemaker insertion?
follow-up: Present situation Pacemaker follow-up is of a very high standard in some centers in the United Kingdom.
syndrome: Dual-chamber pacing was associated with lower rates of atrial fibrillation, particularly in SSS, than ventricular pacing, and prevents pacemaker syndrome.
clinic: You should go to your nearest pacemaker clinic for checkups to assess your pacemaker and the amount of battery energy left.
battery: The pacemaker batteries should last 5 to 10 years.

Noun used with modifier

heart: However, the bracelets should not be worn by anyone who has a heart pacemaker fitted.

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