Pacemaker: Difference between revisions

Pacemaker (view source)

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 ==Pacemaker Coding==
 Pacemakers can be categorized according to the NASPE coding system, that usually consists of 3-5 letters.
-* The first letter represents the chamber where the signal is paced: A=atria, V=ventricle, D=dual (atria and / or ventricle)
-* The second letter represents the chamber that is "sensed": O=none, A=atria, V=ventricle, D=dual (atrial and / or ventricle)
-* The third letter represents the action that follows the sensed signal: O = none, T = triggered, I = inhibited (i.e. if the heart beats by itself, the pacemaker is silent) and D = dual (T + I).
-* The fourth letter denotes whether the pacemaker has a fixed rate (0 = none) or has rate modulation (R).
-* The fifth letter indicates whether the pacemaker can pace both the atria and right chamber. This letter is seldomly used.
-{| class="wikitable" style="margin: 1em auto 1em auto"
+{| class="wikitable"
 |+ '''The revised NASPE/BPEG generic code for antibradycardia pacing'''<cite>Bernstein</cite>
 ! I || II || III || IV || V