clinical application of non invasive fetal ecg pdf

... advantage of the percent plot is that it gives an indication of the magnitude of the difference with reference to its mean Comparison of novel versus commercial HRV softwares 184 value, independent of ... Interval Coef of Variance Variance Std Deviation (SDNN) Std Error (SENN) SDSD RMSSD NN50 Count or NN27 Count (Fetal NN) pNN50 or pNN27 (Fetal NN) 180 Comparison of novel versus commercial HRV softwares ... standard deviation of the differences (indicated by the spreading out of Comparison of novel versus commercial HRV softwares 188 Table 11-2: Bland-Altman analysis (mean difference) of time- and frequencydomain...

Ngày tải lên: 15/09/2015, 17:11

... illustrates the clinical application of non- invasive fECG in a foetus with premature ventricular contractions (PVCs), which was missed by cardiotocography (CTG) monitoring Using non- invasive fECG, the ... Figure 8-4: Raw abdominal ECG strip showing PVCs occurring in bigeminy Clinical application of non- invasive foetal ECG 135 (a) (b) Figure 8-5: Average foetal ECG waveform of a healthy term foetus ... foetus (a) with average QRS duration of 53 ms and that of the foetus with PVC with an average QRS duration of 76 ms (b) Clinical application of non- invasive foetal ECG 136 rather than simultaneously,...

Ngày tải lên: 15/09/2015, 17:11

... early labour (Levy R et al., ECG of healthy foetuses 127 2002) Thus, the use of non- invasive fECG using abdominal electrodes can avoid the above shortcomings of invasive scalp electrodes It also ... (329) GA- Gestational age fECG- Foetal ECG Values are presented as p (n) where p- percentage of successful fECG waveform measured and n- number of fECG recordings where fECG waveform was successfully ... demonstrates the feasibility of using non- invasive technique to record the intrapartum fECG in early labour with successful measurement of T/QRS ratio Intrapartum fECG monitoring of T/QRS in conjunction...

Ngày tải lên: 15/09/2015, 17:11

... development of the foetal ECG ………………………… 2 Measurement of the foetal ECG …………………………………… 2.1 Invasive techniques - foetal scalp electrodes………………… 2.1.1 Clinical application of scalp foetal ECG ……… 2.2 Non- invasive ... value of non- invasive fetal electrocardiography J Perinat Med 2004; 32(6): 532-4 Conference Paper: 1) Chia EL, Ho TF, Rauff M, Yip WCL Cardiac time intervals of normal fetuses using non- invasive fetal ... abdominal foetal ECG signal… 2.2.4 Acquisition and processing of abdominal foetal ECG ……………………………………………… 11 2.2.5 Chapter Clinical application of abdominal foetal ECG … 13 The foetal ECG waveform…………………………………...

Ngày tải lên: 15/09/2015, 17:11

... The clinical application of abdominal foetal ECG in intrapartum monitoring of foetal hypoxia can also be explored in clinical trials Since this is a non- invasive technique as opposed to the invasive ... technology, non- invasive techniques may provide reliable information on foetal ECG from early gestation to term In addition, the successful recording of fECG and measurement of fECG parameters ... valuable information to the field of non- invasive foetal ECG and to the understanding of the development of the foetal autonomic nervous system via measurement of heart rate variability, it has...

Ngày tải lên: 15/09/2015, 17:10

... (a) nonseizure EEG and (b) seizure EEG The nth conditional moment of the TFD at time t is defined as fn (t) = P(t) f n ρz (t, f )df , (2) 3.2 Preprocessing of ECG for HRV quantification The ECG ... seizure events and nonseizure events of 64 seconds each from different newborns The ECG was sampled at 256 Hz A QRS detection algorithm is used to extract the R points of the ECG This is the most ... in the remaining part of the study 3.4 TF feature extraction of HRV The parameters derived from the first and second conditional moments of TFD of the HRV signal in each one of the bands will be...

Ngày tải lên: 22/06/2014, 20:20

... Occasionally None Everyday None None Occasionally None None Occasionally Occasionally None None Occasionally Everyday None Occasionally None Everyday None Occasionally Childhood None Childhood None Occasionally ... rest of the experiment All of the other subjects completed the observation and almost none of them reported a feeling of motion sickness Two of the 21 subjects reported the lowest degree of nausea ... Childhood None Occasionally Childhood Occasionally None Occasionally None None None None Occasionally Occasionally Childhood Occasionally Occasionally None Occasionally Occasionally + + + + + + + +...

Ngày tải lên: 19/06/2014, 10:20

... presence of noise and nonstationarity that are inherent to physiologic signals Hence, the investigation of a plurality of HRV analysis techniques is required to offer a comprehensive evaluation of ... (employing a panel of techniques) in critically ill patients at risk for or with existing infection offers a means to harness the clinical potential of this bedside application of complex systems ... diminished specificity of the HRC for early diagnosis of neonatal sepsis In another study, Cao, Griffin, Moorman and colleagues [50] employed a measurement of the degree of nonstationarity in the...

Ngày tải lên: 13/08/2014, 19:20

... to be excluded because of the poor technical quality of their scans, and 11 others because of previous history of stroke as confirmed by a neurologist Left with a sample of 802 subjects (471 women, ... field of view) T2 and PD acquisitions consisted of 26 contiguous Methods Subjects The sample of subjects who participated to the present protocol is a sub-sample of the EVA (Epidemiology of Vascular ... to aging than that of women Arguments in favor of this hypothesis may be found in several studies of white matter lesions that have shown a larger prevalence of this type of lesions in women...

Ngày tải lên: 05/03/2014, 21:20

... highest intensity of a feeling of a symptom of PTSD, while the other end (score = 0) indicated the lowest intensity of feeling for the same symptom There was a separate scale for each of the four symptoms ... Force of the European Society of Cardiology and the North American Society of Pacing and Electrophysiology: Heart rate variability standards of measurement, physiological interpretation and clinical ... PTSD [9] The present study was designed to assess the effect of one week of yoga practice on survivors of floods in the Indian state of Bihar, a month after the floods, with three main differences...

Ngày tải lên: 11/08/2014, 16:22

... humans of the flavanones hesperidin and naringin after the ingestion of two doses of orange juice Eur J Clin Nutr 2003; 57: 235-2423 Kanaze FI, Bounartzi MI, Georgarakis M, et al Pharmakokinetics of ... self-report ratings of symptoms increases confidence in the safety of the combination as well as in the blinding procedure used in this study Strengths of the study are the use of randomized placebo-controlled ... absence of thermogenic changes in the placebo group, the absence of adverse effects on blood pressure, heart-rate and self-reports in the four treatment groups, the consistency of the effects of p-synephrine...

Ngày tải lên: 25/10/2012, 11:04

... absorption of fats and carbohydrates [5] In spite of their widespread use and the lack of credible reports regarding adverse effects, controversy has existed regarding the safety of bitter orange ... and is not a constituent of C aurantium Because of the known cardiovascular effects of nor-epinephrine and ephedrine, it has generally been assumed that consumption of p-synephrine and bitter ... results, because of the small numbers of subjects when the data were separated based on gender and caffeine intake, size effects were calculated for each of these analyses The effects of size were...

Ngày tải lên: 25/10/2012, 11:10

... scientific journals were the main sources of publications of recent research, and the proceedings of scientific conferences were also used to keep track of ongoing research in Canada, the US and ... the degree of attention paid to keeping a healthy diet, along with higher education, being a citydweller, being a non- smoker and regular exercise.70 The issue of supplement use is also of interest ... include evaluation of the effectiveness of provision and marketing of appropriate, affordable nutrient-dense foods and upgrading the food market and transportaCANADIAN JOURNAL OF PUBLIC HEALTH...

Ngày tải lên: 14/02/2014, 06:20

... unfavourable dislocation of hF, resulting from insertion of the RCL, provides an energy-reservoir that subsequently fuels the crushing of the protease concomitantly with the return of hF to its normal ... addition of 25 lL 0.3 mgÆmL)1 S-2444 (Chromogenix, Sweden) and further incubation for 40 The specific inhibitory activity of PAI-1 at the various timepoints, i.e the fraction of the total amount of ... the amount of PAI-1 required to inhibit half the uPA The half-life of PAI-1 was finally calculated from an exponential decay plot of the data obtained Generally, only one preparation of each PAI-1...

Ngày tải lên: 20/02/2014, 11:20

... explainable by between-study differences of task difficulty, since ARD is unrelated to the difficulty of walking and non- walking tasks [13,29,30] The emergence of ARD while walking therefore seems ... part of the above studies In search for those characteristics, our group has recently compared eight different combinations of a walking and a non- walking task [31], and found ARD for only one of ... engage in ongoing visual observation of the non- walking task It remained open in the above study which of these differences was responsible for the emergence of ARD, and the present work was therefore...

Ngày tải lên: 19/06/2014, 08:20

... stabilization of blood circulation, prevention of neurally mediated syncope in an early state of rehabilitation, decrease in spasticity, prophylaxis of osteoporosis and activation of the locomotion ... This instability of the circulatory system occurs at an early stage of rehabilitation and leads to delayed functional training of these patients In a chronic phase, an overactivity of the spinal ... research department of the Paraplegia Centre of the Balgrist University Hospital in Zurich, Switzerland in collaboration with the Department Orthopaedic II of the Orthopaedic Hospital of Heidelberg...

Ngày tải lên: 19/06/2014, 10:20