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7 nuclear magnetic resonance spectroscopy

Báo cáo hóa học:

Báo cáo hóa học: " Single-trial classification of motor imagery differing in task complexity: a functional near-infrared spectroscopy study" ppt

Hóa học - Dầu khí

... task-induced hemodynamic changes in the cortex, similar to those signal obtain in functional magnetic resonance imaging (fMRI) This study presents an attempt of offline classification of single ... Express 2008, 16(14):10323-30 Sitaram R, et al: Temporal classification of multichannel near-infrared spectroscopy signals of motor imagery for developing a brain-computer interface NeuroImage 2007, ... Coyle SM, Ward TE, Markham CM: Brain-computer interface using a simplified functional near-infrared spectroscopy system Journal of Neural Engineering 2007, 4(3):219-226 Naito M, et al: A Communication...
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báo cáo hóa học:

báo cáo hóa học: " Relationship between oxygen supply and cerebral blood flow assessed by transcranial Doppler and near – infrared spectroscopy in healthy subjects during breath – holding" doc

Hóa học - Dầu khí

... the so called BOLD effect (Blood Oxygenation Level Dependent) and, hence, of the functional magnetic resonance [1] Thus, the assessment of cerebral hemodynamics is of paramount importance for ... References Ogawa S, et al.: Functional brain mapping by blood oxygenation level-dependent contrast magnetic resonance imaging A comparison of signal characteristics with a biophysical model Biophys J ... recordings Changes in the concentrations of O2Hb and CO2Hb were measured by means of a near – infrared spectroscopy device (NIRO 300, Hammamatsu Photonics, Australia) The emitting probe of the NIRS equipment...
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Báo cáo y học:

Báo cáo y học: " Near-infrared spectroscopy during stagnant ischemia estimates central venous oxygen saturation and mixed venous oxygen saturation discrepancy in patients with severe left heart failure and additional sepsis/septic shock" potx

Báo cáo khoa học

... dobutamine on skeletal muscle metabolism in patients with chronic heart failure were studied by magnetic resonance spectroscopy, which indicated that dobutamine has the ability to increase cardiac output ... 0.1 -12.6 ± 4.9 StO2 deoxygenation rate (%/min) -12.7 ± 5.2 -12.6 ± 4.6 0.9 NIRS, near-infrared spectroscopy; StO2, skeletal muscle tissue oxygenation 100.00 90.00 ScvO2 (%) 80.00 70.00 60.00 ... additional right heart dysfunction [4] Discrepancies of to 24% have been reported [5-7,9] Near infrared spectroscopy (NIRS) is a technique used for continuous, non-invasive, bedside monitoring of tissue...
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Perioperative Considerations in Cardiac Surgery Edited by Cuneyt Narin docx

Perioperative Considerations in Cardiac Surgery Edited by Cuneyt Narin docx

Sức khỏe giới tính

... with symptoms or silent infarctions (presence of one or more lacunar infarcts on preoperative magnetic resonance imaging) Peripheral vascular disease Chronic neurologic illness Congestive heart ... risks (Grogan et al,2008) The imaging techniques improves every year and one of them is the magnetic resonance diffusion-weighted imaging (DWI), which identifies regions of cerebral ischemia with ... result in oxygen imbalance during surgery The use of jugular venous bulb monitoring or near infrared spectroscopy (NIRS) revealed oxygen desaturation 27-43% during rewarming period while cerebral metabolic...
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Báo cáo khoa học:

Báo cáo khoa học: "A comparison of transcranial Doppler with near infrared spectroscopy and indocyanine green during hemorrhagic shock: a prospective experimental study" ppsx

Báo cáo khoa học

... infrared spectroscopy Correlation between cardiac output (CO) and blood flow index (BFI) by near infrared spectroscopy r = 0.71; p < 0.0001 n = 76 measurements in 20 animals index by near infrared spectroscopy ... velocity infrared spectroscopy Th + 10 min, after + 90 min, Blood(BFI) by near + 40 min,start therapy;atultrasound and bood minminutes of therapy) index (BFI) by near infrared spectroscopy at the ... blood (BFI) by near infrared spectroscopy Correlation blood flow indexflow velocity by transcranial Doppler ultrasound and blood flow index (BFI) by near infrared spectroscopy FVmean, mean blood...
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Báo cáo y học:

Báo cáo y học: "Clinical review: Practical recommendations on the management of perioperative heart failure in cardiac surgery" pdf

Báo cáo khoa học

... cigarette package In third-generation rotary pumps the spinning rotor floats by means of either a magnetic field or hydrodynamic levitation, never touching the pump housing, thereby eliminating mechanical...
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