The purpose of this study was to assess the effects of five electronic apex locators on pacemaker function in vitro. A Biotronik Actros DR+ pacemaker was evaluated at maximum sensitivity on a flat bench top. The pacemaker lead, electronic apex locator, and oscilloscope were connected across a 150-ohm resistor. Pace monitoring was carried out with a Biotronik EPR 1000 programmer and a Tektronix ...

Genetically engineered pacemakers could be a possible alternative to implantable electronic devices for the treatment of bradyarrhythmias. The strategies include upregulation of beta adrenergic receptors, conversion of myocytes into pacemaker cells and stem cell therapy. Pacemaker activity in adult ventricular myocytes is normally repressed by the inward rectifier potassium current (I(K1)). The...

Cardiac conduction disorders are common diseases which cause slow heart rate and syncope. The best way to treat these diseases by now is to implant electronic pacemakers, which, yet, have many disadvantages, such as the limited battery life and infection. Biopacemaker has been expected to replace the electronic devices. Automatic ventricular myocytes (VMs) could show pacemaker activity, which w...

Periodic current forcing was used to investigate the intrinsic dynamics of a small group of electrically coupled neurons in the pyloric central pattern generator (CPG) of the lobster. This group contains three neurons, namely the two pyloric dilator (PD) motoneurons and the anterior burster (AB) interneuron. Intracellular current injection, using sinusoidal waveforms of varying amplitude and fr...

Modern cardiac pacemakers are complex and heterogenous devices. The potential effect of electrically powered instruments on a patient's pacemaker function must be carefully evaluated before treatment. Interference with the pacemaker's function by the instrument depends on the specific type of pacemaker placed and the patient's dependence on it. A case is presented in which an electronic apex lo...

The Pacemaker Clinic at Shahid Rajai Cardiovascular Research Center first started operating in August 1992. In its first year of operation, 294 permanent pacemaker patients were studied, allowing an appraisal to be carried out of the clinic's effectiveness in diagnosing and treating early complications. In the final analysis, pacemaker complications were observed in 68 (23%) patients, of wh...

HINOJOS A, ILG K. Removal of Misplaced Left Ventricular Single Lead Pacemaker in a Patient Presenting with Recurrent Transient Ischemic Attacks. Spartan Med. Res. J. Vol. 2, No. 1, pp. 64-73, 2017. CONTEXT: Over 200,000 cardiac electronic implantable devices are annually placed in individuals living within the United States. Complications from this procedure can range up to 12%. Inadvertent lea...

Electronic pacemakers have been the standard of care for over 50 years for patients with symptomatic bradycardia caused by conditions such as sick sinus syndrome, complete heart block, and congenital heart block. Effective, electronic devices are subject to hardware malfunction, recalls of generators and leads, implantrelated complications and infections. Although the incidence is not high, dev...

We are seeing more implantation of cardiac device such as pacemakers and defibrillators and also cardiac implantable electronic device infection. The infection may affect just the pocket site or progress to deeper infection and bacteraemia. Inadequately treated infection may lead to right sided endocarditis, cardiotomy for pacemaker explantation and increased cost and length of stay in the hosp...