Abstract
Arterial pressure increases during exercise and emotionally related stresses, and thus can theoretically be used as a sensor in a rate-adaptive system for determining the physiological need for an increase in rate. However, for long-term use in implantable devices, sensors have to be implanted on the right side of the heart. Thus the detection of the right atrial and ventricular pressure, and pulmonary arterial pressure are alternative approaches to detecting the consequences of exercise. Besides the use in rate-adaptive pacemakers, implantable sensors for the measurement of intracardiac hemodynamics may also be useful for improving the detection of ventricular tachycardias. The use of pacing therapy for hemodynamically stable ventricular tachycardia and defibrillation in the event of pacing induced acceleration into unstable ventricular tachycardia / fibrillation constitute recent tiered therapy for implantable antitachycardia pacers with cardioverter-defibrillator backup. Successful tiered therapy requires accurate hemodynamic detection capability and an intracardiac pressure sensor is a potentially very useful parameter.
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© 1993 Springer Verlag, Berlin Heidelberg
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Lau, C.P. (1993). Intracardiac Pressure for Rate-Adaptive Pacing. In: Alt, E., Barold, S.S., Stangl, K. (eds) Rate Adaptive Cardiac Pacing. Springer, Berlin, Heidelberg. https://doi.org/10.1007/978-3-642-76649-7_9
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DOI: https://doi.org/10.1007/978-3-642-76649-7_9
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