Pacing and clinical electrophysiology : PACE
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Although death occurs suddenly in coronary heart disease, it is associated with a prior history of cardiac disease in 85% and with prodromal symptoms in 73.8% of the patients resuscitated from cardiac arrest outside the hospital. Sudden death was the first expression of coronary heart disease in 3.6% of the patient population. The fact that out-of-hospital sudden death is usually secondary to myocardial infarction and ischemia is supported by this clinical study and is suggested by other clinical and pathological studies of individuals dying suddenly.
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The issue of pacemaker reuse is a complicated one. While reuse of other medical devices is feasible, the reuse of implanted pacemakers is dependent upon multiple variables. Among these are battery life, availability of units, and costs of refurbishment. When considered using current cost codes, the savings associated with pacemaker reuse are generally negligible and generally do not encourage widespread adoption of this practice.
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Pacing Clin Electrophysiol · Jul 1986
Comparative StudyTotally implantable spinal cord stimulation for chronic pain: design and efficacy.
Neurostimulators used to treat chronic, intractable pain have evolved from technical developments in pacemaker technology. A totally implantable spinal cord stimulation (SCS) system was designed based on elements of a widely used cardiac pacemaker. ⋯ Seventy percent of the patients experienced good or excellent pain relief at an average of 14.5 months after implant. Patients who used an automatic ON/OFF cycling mode of stimulation reported greater pain relief than patients who were stimulated continuously.
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A patient with functional complete left bundle branch block is presented. The site of block was localized to the area of the His bundle. This case demonstrates that functional complete left bundle branch block may be due to longitudinal dissociation in the His bundle.