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What lead insulation materials are known for reducing fibroblast in growth and susceptibility to MIO and ESC? - Correct Answer-ePTFE and 80A polyurethane What are the two most common causes of ventricular safety pacing ? - Correct Answer- Ventricular ectopy and loss of atrial sensing What electrode material would most likely result in higher pacing thresholds and high polarization? - Correct Answer-Elgiloy Which phase of the action potential would correlate to the relative refractory period? - Correct Answer-Phase 3 The ventricoloatrial conduction time of a pacemaker patient with a typical endless loop tachycardia may be calculated by what equation? - Correct Answer-None What parameter would not be useful to prevent typical crosstalk? - Correct Answer- Safety pacing What conductor technology combines a silver core with a high strength metal (MP35N0) to obtain a strong low resistance wire? - Correct Answer-DFT Which of the current ICD capacitor technologies provide the highest energy density and does not require reform? - Correct Answer-Tantalum electrolytic For treatment of arrhythmias, most drugs work by ? - Correct Answer-Altering conductivity or refractoriness