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== Ectopic Pacemaker == An '''Ectopic Pacemaker''' (pronounced: ek-TOP-ik PACE-maker) is an abnormality in the [[cardiovasc

== Ectopic Beat == '''Ectopic beat''' (pronunciation: ek-top-ik beet) is a term used in [[medicine]] to d

...heart rhythm that occurs due to the presence of an additional, independent pacemaker within the heart. This condition is often associated with [[cardiac arrhyth ...y of the heart) fires independently of the sinus node (the heart's natural pacemaker). This results in an irregular heart rhythm that can be seen on an [[electr

...t used in the early 20th century to describe the phenomenon of a secondary pacemaker taking over the heart's rhythm. ...Escape rhythm]]: A secondary heart rhythm that takes over when the primary pacemaker fails.

* [[Addiction]] - dependence on a substance (such as alcohol or other drugs) or an activity, to the point that stopping is very ...o not produce enough of the hormones that control important functions such as blood pressure