1,943
edits
Line 166: | Line 166: | ||
*[[McGill Case 96|A patient with recurrent wide complex tachycardia]] | *[[McGill Case 96|A patient with recurrent wide complex tachycardia]] | ||
*[[McGill Case 97|A 70 year old woman with recurrent ventricular tachycardia and a severe intra-ventricular conduction defect.]] | *[[McGill Case 97|A 70 year old woman with recurrent ventricular tachycardia and a severe intra-ventricular conduction defect.]] | ||
===Examples of different pacing modes=== | ===Examples of different pacing modes=== | ||
====DDD pacemakers==== | ====DDD pacemakers==== | ||
*[[McGill Case | *[[McGill Case 97|DDD timing diagram in sinus rhythm with an AV delay of 80ms.]] | ||
*[[McGill Case | *[[McGill Case 98|DDD mode showing atrial and ventricular pacing and atrial sensing and venticular pacing.]] | ||
*[[McGill Case | *[[McGill Case 99|DDD mode showing ventricular tracking of atrial fibrillation]] | ||
*[[McGill Case | *[[McGill Case 100|DDI timing diagram in sinus rhythm and with one PVC with an AV delay of 80ms.]] | ||
*[[McGill Case | *[[McGill Case 102|DDI pacing at a lower rate of 50/min ]] | ||
*[[McGill Case | *[[McGill Case 103|DDD pacemaker recorded on a 12 lead EKG. Patient has a severe intraventricular conduction abnormality]] | ||
*[[McGill Case | *[[McGill Case 104|DDD pacemaker at its upper rate limit in a patient with atrial fibrillation/flutter]] | ||
*[[McGill Case | *[[McGill Case 105|DDD pacemaker failing to sense a P wave]] | ||
*[[McGill Case | *[[McGill Case 106|DDD pacemaker the effect of a PVC on the timing cycles ]] | ||
*[[McGill Case | *[[McGill Case 107|DDD pacemaker timing diagram with atrial lead pacing the ventricle]] | ||
*[[McGill Case | *[[McGill Case 108|A patient with atrial tachycardia with an intra-atrial recording from his pacemaker ]] | ||
*[[McGill Case | *[[McGill Case 109|Ladder diagrams and tracings while in DDI mode and complete heart block.]] | ||
*[[McGill Case | *[[McGill Case 110|DDD pacer set at 70/min. but atrial pacing at 75/min due to conduction with a PR interval shorter than the A/V interval set on the pacemaker.]] | ||
*[[McGill Case | *[[McGill Case 111|Recording from the atrial lead of a patient with atrial fibrillation]] | ||
====Atrial pacing==== | ====Atrial pacing==== | ||
*[[McGill Case | *[[McGill Case 112|AAI with ladder diagram]] | ||
*[[McGill Case | *[[McGill Case 113|AAI pacing 12 lead with a patient with Right Ventricular dysplasia taking Flecainide for ventricular tachycardia.]] | ||
*[[McGill Case | *[[McGill Case 114|A series of electrocardiograms from a 78 year old woman who was implanted with a VVI pacemaker in 1991. The patient developed congestive heart failure five years later due to pacemaker syndrome which was corrected by switching to atrial pacing.]] | ||
*[[McGill Case | *[[McGill Case 115|A patient with an atrial pacer that did not seem to pace properly.]] | ||
*[[McGill Case | *[[McGill Case 116|Two rhythm strips from a patient with an AAI.R pacemaker with atrial sensing of the QRS due to a prolonged PR interval.]] | ||
*[[McGill Case | *[[McGill Case 117|12 lead electrocardiogram of a patient with right ventricular dysplasia and paced rhythm]] | ||
*[[McGill Case | *[[McGill Case 118|A rhythm strip from a patient that shows AAI pacing competing with and resetting the patient's nodal rhythm.]] | ||
*[[McGill Case | *[[McGill Case 119|Atrial pacing with competition from an accelerated ventricular rhythm causing fusion complexes]] | ||
*[[McGill Case | *[[McGill Case 120|An irregular rhythm with an atrial pacemaker.]] | ||
====Ventricular Pacing==== | ====Ventricular Pacing==== | ||
*[[McGill Case | *[[McGill Case 121|VVI with ladder diagram]] | ||
*[[McGill Case | *[[McGill Case 122|Ventricular paced rhythm with atrial flutter]] | ||
*[[McGill Case | *[[McGill Case 123|VVI pacing in patient with first degree A/V block]] | ||
*[[McGill Case | *[[McGill Case 124|Ventricular paced rhythm with atrial flutter after A/V nodal ablation.]] | ||
*[[McGill Case | *[[McGill Case 125|The effect of an acute myocardial infarction on the EKG of VVI pacing]] | ||
*[[McGill Case | *[[McGill Case 126|Failure to pace or a recording artifact? This is a recording from a patient with a Medtronic implantable defibrillator which also functions as a VVI pacemaker.]] | ||
*[[McGill Case | *[[McGill Case 127|Lead failure in a recently replaced VVI pacemaker.]] | ||
*[[McGill Case | *[[McGill Case 128|Escape/capture bigemini]] | ||
*[[McGill Case | *[[McGill Case 129|A rate responsive pacemaker with a respiratory sensor]] | ||
*[[McGill Case | *[[McGill Case 130|A recording showing rate hysteresis]] | ||
*[[McGill Case | *[[McGill Case 131|Pacing during ventricular fibrillation and failure to capture after a 360 joule shock.]] | ||
===Pacing conduction patterns=== | ===Pacing conduction patterns=== | ||
*[[McGill Case | *[[McGill Case 132|A 12 lead electrocardiogram from a patient with a lead pacing the left ventricle.]] | ||
*[[McGill Case | *[[McGill Case 133|Tracings from a the same patient with right atrial appendage stimulation, R.V. septal and apical stimulation.]] | ||
*[[McGill Case | *[[McGill Case 134|A tracing from a patient with Mobitz I AV block where the AV conduction stops with VDD pacing even with a long sensed to paced interval of 300ms.]] | ||
===Pacemaker interactions=== | ===Pacemaker interactions=== | ||
*[[McGill Case | *[[McGill Case 135|A patient with two pacemakers, a DDD and a VVI .R which is at end of life]] | ||
*[[McGill Case | *[[McGill Case 136|Myopotential inhibition of a VVI.R pacemaker]] | ||
*[[McGill Case | *[[McGill Case 137|Suppression of a VVI pacemaker with an external pacemaker]] | ||
===Pacemaker Pacing Artifacts=== | ===Pacemaker Pacing Artifacts=== | ||
*[[McGill Case | *[[McGill Case 138|Bipolar ventricular paced rhythm with atrial flutter after A/V nodal ablation.]] | ||
*[[McGill Case | *[[McGill Case 139|Unipolar ventricular paced rhythm with atrial flutter]] | ||
===Pacemaker Follow-up=== | ===Pacemaker Follow-up=== | ||
====Unusual rhythms==== | ====Unusual rhythms==== | ||
*[[McGill Case | *[[McGill Case 140|Bigemini with magnet over the pacemaker]] | ||
*[[McGill Case | *[[McGill Case 141|Bigemini with atrial threshold testing]] | ||
*[[McGill Case | *[[McGill Case 142|Conversion of atrial flutter with rapid atrial pacing followed by nodal rhythm ]] | ||
====Threshold Testing==== | ====Threshold Testing==== | ||
*[[McGill Case | *[[McGill Case 143|3 lead rhythm strip with DDD pacemaker and normal magnet response]] | ||
*[[McGill Case | *[[McGill Case 144|Pulse amplitude threshold testing for a ventricular pacemaker]] | ||
*[[McGill Case | *[[McGill Case 145|Atrial threshold testing]] | ||
*[[McGill Case | *[[McGill Case 146|Atrial threshold testing in a DDD pacer using the AAI mode]] | ||
*[[McGill Case | *[[McGill Case 147|Atrial threshold testing in a model 2102 pacemaker]] | ||
*[[McGill Case | *[[McGill Case 148|PVCs interfering with ventricular threshold testing]] | ||
*[[McGill Case | *[[McGill Case 149|The effect of a long AV interval on atrial threshold testing of a DDD Pacer]] | ||
*[[McGill Case | *[[McGill Case 150|Threshold testing inducing asystole in a 21 year old patient with congenital complete heart block.]] | ||
*[[McGill Case | *[[McGill Case 151|Two pacemakers, DDD and VVI with atrial capture in one and ventricular in the other]] | ||
====Strength duration curves==== | ====Strength duration curves==== | ||
*[[McGill Case | *[[McGill Case 152|A strength/duration curve from an atrial lead.]] | ||
*[[McGill Case | *[[McGill Case 153|A strength/duration curve from a ventricular lead.]] | ||
====Time dependent capture==== | ====Time dependent capture==== | ||
====Pacemaker system failure==== | ====Pacemaker system failure==== | ||
*[[McGill Case | *[[McGill Case 154|Pacemaker pacing failure and Mobitz II A/V block in a patient with a history of Torsade de Pointe and three degree heart block.]] | ||
*[[McGill Case | *[[McGill Case 155|A patient with a failing ventricular lead due to a subclavian crush.]] | ||
====Trans-telephonic EKG recordings==== | ====Trans-telephonic EKG recordings==== | ||
*[[McGill Case | *[[McGill Case 156|Trans-telephonic pacemaker check failure to capture]] | ||
*[[McGill Case | *[[McGill Case 157|Trans-telephonic pacemaker check: Failure to capture. A patient in the high Arctic.]] | ||
*[[McGill Case | *[[McGill Case 158|Trans-telephonic pacemaker check at the MUHC (instructions)]] | ||
====Trans-telephonic Audio recordings==== | ====Trans-telephonic Audio recordings==== | ||
*[[McGill Case | *[[McGill Case 159|The EKG and sound of a Medtronic VVI.P pacemaker with the magnet applied near the end of the recording]] | ||
*[[McGill Case | *[[McGill Case 160|Recording of end of life indication with magnet applied to VVI pacemaker]] | ||
*[[McGill Case | *[[McGill Case 161|A pacemaker that required inversion of the programming head for programming. The pacemaker could not be programmed in the usual manner in the pacemaker clinic. The pacemaker was implanted correctly with the conducting window toward the skin, but was a left-sided model which differed from the previous x-ray outline of the right-sided model. Having to invert the programming head suggests a problem with the programming head, inverted implantation of the pacemaker, or because the pacemaker electronics are functioning as a contra-lateral pacemaker.]] | ||
*[[McGill Case | *[[McGill Case 162|Lecture on pacemaker follow-up November 1998]] | ||
===Defibrillation and Cardioversion=== | ===Defibrillation and Cardioversion=== | ||
====External Cardioversion/defibrillation==== | ====External Cardioversion/defibrillation==== | ||
*[[McGill Case | *[[McGill Case 163|Recording of a series of shocks for Atrial Flutter]] | ||
*[[McGill Case | *[[McGill Case 164|Sinus pause post cardioversion for atrial fibrillation ]] | ||
*[[McGill Case | *[[McGill Case 165|An irregular rhythm after cardioversion for atrial fibrillation]] | ||
*[[McGill Case | *[[McGill Case 166|pacing during ventricular fibrillation caused by cardioversion and failure to capture after a 360 joule shock.]] | ||
====Implantable Defibrillators==== | ====Implantable Defibrillators==== | ||
*[[McGill Case | *[[McGill Case 167|Recording from a device during a spontaneous episode of ventricular fibrillation.]] | ||
*[[McGill Case | *[[McGill Case 168|P.A. chest film of a patient with an implantable defibrillator and an epicardial patch and S.V.C. spring electrode.]] | ||
=====Threshold Testing===== | =====Threshold Testing===== | ||
*[[McGill Case | *[[McGill Case 169|Defibrillation threshold testing of an implantable defibrillator (successful) followed by ventricular paced rhythm.]] | ||
*[[McGill Case | *[[McGill Case 170|Defibrillation threshold testing of an implantable defibrillator (successful) followed by sinus rhythm.]] | ||
*[[McGill Case | *[[McGill Case 171|Defibrillation threshold testing of an implantable defibrillator (successful) followed by sinus rhythm. Recorded using an external defibrillator.]] | ||
===EKG Recordings=== | ===EKG Recordings=== | ||
*[[McGill Case | *[[McGill Case 172|An electrocardiogram from a patient with a cardiac myoplasty stimulator.]] | ||
*[[McGill Case | *[[McGill Case 173|A problem with atrial capture with a dual chamber pacemaker with a long A/V interval.]] | ||
*[[McGill Case | *[[McGill Case 174|A patient post pacemaker implant. for syncope]] | ||
*[[McGill Case | *[[McGill Case 175|A rate responsive pacemaker with respiratory sensor An ECG strip from the pacemaker clinic.]] | ||
*[[McGill Case | *[[McGill Case 176|A patient post DDD pacemaker implant ECG strip and images from a patient post DDD pacemaker implant.]] | ||
*[[McGill Case | *[[McGill Case 177|Patient with perforation of a temporary transvenous pacemaker Three EKGs and X-ray.]] |