منابع مشابه
Pulse Wave Analysis Digital Plethysmography Finger Plethysmography Accelerated Plethysmography Clinical Bottom Line - The Simple Explanation
The digital plethysmograph is a secondary output of the pulse oximeter, which is commonly used to measure arterial blood saturation (SaO2)61. Digital plethysmography provides noninvasive, continuous, and real-time measurement of arterial pressure with infrared light transmitted through a digit (finger or toe)62. This technique acquires the digital volume pulse (DVP), a waveform that estimates p...
متن کاملPulse Oximetry and Plethysmography
Stokes (1) reported that the colored substance in blood carries oxygen. This was followed by Hoppe-Seyler (2), who first crystallized this substance and coined the term hemoglobin. Additionally, it was shown that the pattern of light absorption changes when shaken with air (2). Hertzman (3) described using photoelectric plethysmography of fingers and toes as a dynamic analysis of the peripheral...
متن کاملImplantable Impedance Plethysmography
We demonstrate by theory, as well as by ex vivo and in vivo measurements that impedance plethysmography, applied extravascularly directly on large arteries, is a viable method for monitoring various cardiovascular parameters, such as blood pressure, with high accuracy. The sensor is designed as an implant to monitor cardiac events and arteriosclerotic progression over the long term.
متن کاملAuricular reconstruction.
Reconstruction strategies for the ear should address the major aesthetic goals of maintaining the helical curvature and the symmetric frontal profile. When the auditory canal is involved, maintaining its patency is a major functional goal. The anatomic location of the defect, by virtue of its topographic features and adjacent donor pools, will dictate the appropriate reconstructive option. Fami...
متن کاملAuricular epithesis.
INTRODUCTION Tumors of the ear are relatively common and usually affect older people. If the tumor is small, a cure can be achieved by total excision and primary closure of the defect. Larger tumors require partial or full amputation of the ear, which negatively affects the aesthetics of the face. For older patients with additional comorbidities, we prefer reconstruction with an epithesis to pl...
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ژورنال
عنوان ژورنال: Nippon Jibiinkoka Gakkai Kaiho
سال: 1964
ISSN: 0030-6622,1883-0854
DOI: 10.3950/jibiinkoka.67.5_765