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(plethysmograph)
1,806 results
  • Fluid responsiveness in the pediatric population. [Journal Article]
    Korean J Anesthesiol 2019; 72(5):429-440Lee JH, Kim EH, … Kim JT
  • It is challenging to predict fluid responsiveness, that is, whether the cardiac index or stroke volume index would be increased by fluid administration, in the pediatric population. Previous studies on fluid responsiveness have assessed several variables derived from pressure wave measurements, plethysmography (pulse oximeter plethysmograph amplitude variation), ultrasonography, bioreactance data…
  • Wireless, Portable Fiber Bragg Grating Interrogation System Employing Optical Edge Filter. [Journal Article]
    Sensors (Basel) 2019; 19(14)Ogawa K, Koyama S, … Fujimoto K
  • A small-size, high-precision fiber Bragg grating interrogator was developed for continuous plethysmograph monitoring. The interrogator employs optical edge filters, which were integrated with a broad-band light source and photodetector to demodulate the Bragg wavelength shift. An amplifier circuit was designed to effectively amplify the plethysmograph signal, obtained as a small vibration of opti…
  • Preoperative "R wave amplitude variation" on electrocardiogram predicts severe hypovolemia. [Journal Article]
    Ann Card Anaesth 2019 Jul-Sep; 22(3):340-342Solanki SL, Kumar PP, Ambulkar RP
  • Preoperative fasting is essential to prevent aspiration and associated complications. However, quite often patients end up fasting for 12 h or more due to changes in the operating room schedules, delays, and postponements. Preoperative fasting may lead to a fluid deficit, which may contribute to perioperative discomfort and morbidity. We report a case of 44-year-old female posted for total mastec…
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