起波澜
发表于 2025-3-25 04:41:40
Mixed-Venous Oxygen Saturationartery. The utilization of this physiological parameter as a regulating variable in a rate-adaptive pacemaker system was first proposed by Wirtzfeld . S02 pacemakers were first implanted in humans in 1988 (P55, Siemens Company, Solna, Sweden) . Somewhat later the Faerestrand group
制定法律
发表于 2025-3-25 08:51:20
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创作
发表于 2025-3-25 12:11:24
Closed-Loop Rate-Adaptive Pacemaker Based on the Ventricular Evoked Responseby integrating surface electrocardiographic tracings, indirect measures of activation and recovery dispersion can be derived. Based on the analyses of the surface ECG tracings, it has been demonstrated that the area under the QRS complex reflects the spatial distribution of ventricular activation ti
宽度
发表于 2025-3-25 19:47:01
Impedance-Derived Cardiac Signals: Preejection Interval, Stroke Volume and Ventricular Peak Ejectional to think of it as a source of hemodynamic parameters applicable to sensor-driven rhythm control devices. The technique for obtaining a volume-related signal has been presented in depth by numerous authors with significant differences on the number of electrodes employed and the hardware and
predict
发表于 2025-3-25 20:17:13
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nonradioactive
发表于 2025-3-26 03:09:21
Electrocardiography of Rate-Adaptive Dual-Chamber (DDDR) Pacemakers: Lower Rate Behaviorors utilize a VV timing or ventricular-based timing system for control of the LRI of their devices. The LRI of a dual-chamber pulse generator is tradtitionally defined as the longest interval from a sensed or paced ventricular event to the succeeding ventricular stimulus . The atrial escape (pace
细丝
发表于 2025-3-26 06:37:45
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ITCH
发表于 2025-3-26 12:03:43
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Indurate
发表于 2025-3-26 14:49:19
The Evolution of Bradycardia Pacingole, but not for prolonged maintenance during continued bradycardia. It has been used for emergency purposes since that time and technologic evolution has again encouraged its revival in the recent past. Prolonged continuous transcutaneous pacing has been unsuccessful in stabilizing cardiac function and is not tolerated well by the patient.
Statins
发表于 2025-3-26 19:15:29
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