Surgery: light – thermal – and electrical application – Light – thermal – and electrical application – Electrical therapeutic systems
Reexamination Certificate
2005-04-19
2005-04-19
Jastrzab, Jeffrey R. (Department: 3762)
Surgery: light, thermal, and electrical application
Light, thermal, and electrical application
Electrical therapeutic systems
Reexamination Certificate
active
06882883
ABSTRACT:
Various implantable medical devices (IMDs) are disclosed for implantation in a patient. The IMD includes pacing circuitry configured to selectively produce pacing pulses at a programmable pacing rate. In one embodiment, the IMD is configurable to subject a patient to a stress test. The IMD may be configurable to subject the patient to the stress test at the time specified by stored timing information, or in response to a signal (e.g., from a patient activator). Another embodiment of the implantable medical device (IMD) includes sensor circuitry, a memory for storing data, and a control unit. The sensor circuitry produces sensor data relating to cardiac condition. The control unit is configurable to store the sensor data in the memory until a trigger signal is received. Methods are described for performing a stress test in a patient with an IMD, and for subsequently reproducing cardiac operational states.
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Atar, S. et al., “Transthoracic Stress Echocardiography With Transesophageal Atrial Pacing for Bedside Evaluation of Inducible Myocardial Ischemia in Patients With New-Onset Chest Pain,”Am. J. Cardiol., vol. 86, p. 12-16, Jul. 1, 2000.
Condie Catherine R.
Stadler Robert W.
Stylos Lee
Jastrzab Jeffrey R.
McDowall Paul H.
Medtronic Inc.
Wolde-Michael Girma
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