Pacemaker: Difference between revisions

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===Pacemaker Malfunction===
==Pacemaker Malfunction==
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====Failure of appropriate capture, atrial====
====Failure of appropriate capture, atrial====
[[Image:DVA0856.jpg|thumb|Failure of atrial capture in a patient with atrial standstill, no P waves are seen after the atrial stimuli]]
[[Image:DVA0856.jpg|thumb|Failure of atrial capture in a patient with atrial standstill, no P waves are seen after the atrial stimuli]]
[[File:Atrial_capture_loss.svg|thumb|Loss of atrial capture]]
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====Failure of appropriate capture, ventricular====
====Failure of appropriate capture, ventricular====
[[File:ECG000020.jpg|thumb|Failure of ventricular capture]]
[[File:ECG000020.jpg|thumb|Failure of ventricular capture]]
[[File:Ventricular_noncapture.svg|thumb|Failure of ventricular capture]]
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====Failure of Appropriate Inhibition, Ventricular====
====Failure of Appropriate Inhibition, Ventricular====
[[File:Ventricular_undersensing.svg|thumb|Failure of Appropriate Ventricular Inhibition, ventricular undersensing]]
====Failure of Appropriate Pacemaker Firing====
====Failure of Appropriate Pacemaker Firing====
[[File:Ventricular_oversensing.svg|thumb|Failure of appropiate ventricular firing]]
[[File:Atrial_malsensing.svg|thumb|Atrial malsensing]]
====Retrograde Atrial Activation====
====Retrograde Atrial Activation====
====Pacemaker Mediated Tachycardia====
====Pacemaker Mediated Tachycardia====
[[Image:DVA1225.jpg|thumb|Pacemaker Mediated Tachycardia, successfully terminated by withholding a ventricular pace, followed by an atrial pace]]
[[Image:DVA1225.jpg|thumb|Pacemaker Mediated Tachycardia, successfully terminated by withholding a ventricular pace, followed by an atrial pace]]
[[File:Pacemaker_mediated_tachycardia.svg|thumb|Pacemaker mediated tachycardia]]
[[File:Termination_of_pmt.svg|thumb|Termination of pacemaker mediated tachycardia]]
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