pvc premature ventricular contractions
Assessment and quantification of foetal electrocardiography and heart rate variability of normal foetuses from early to late gestational periods 3
Ngày tải lên :
15/09/2015, 17:11
... with premature ventricular contractions The following is a case report that illustrates the clinical application of non- invasive fECG in a foetus with premature ventricular contractions (PVCs), ... F F (PVC) 134 M M F F (PVC) M F F (PVC) M= maternal QRS complex F= foetal QRS complex PVC= premature ventricular contractions Figure 8-4: Raw abdominal ECG strip showing PVCs occurring in bigeminy ... beat; PVC – premature ventricular contraction Figure 8-3: Ventricular bigeminy as demonstrated by Doppler echocardiography 133 Clinical application of non-invasive foetal ECG M M F F (PVC) F F (PVC) ...
- 46
- 298
- 0
Assessment and quantification of foetal electrocardiography and heart rate variability of normal foetuses from early to late gestational periods 2
Ngày tải lên :
15/09/2015, 17:11
... missing beat will result in a longer than normal R-R interval Similarly, an ectopic beat (often premature) will produce a short R-R interval followed by a compensatory delay, and hence a prolonged ... (Schwartz PJ et al., 2002) The PR interval describes the onset of atrial depolarization to the onset of ventricular depolarization, 118 ECG of healthy foetuses Table 7-6: Comparison of foetal cardiac ... birthweight and duration of the P wave and QRS complex was also found in a study of full-term and premature newborns (Thomaidis C et al., 1988) In addition, fECG and fMCG studies on foetuses with...
- 48
- 215
- 0
Assessment and quantification of foetal electrocardiography and heart rate variability of normal foetuses from early to late gestational periodsb 1
Ngày tải lên :
15/09/2015, 17:11
... prenatal echocardiographic observations of sinus bradycardia, supraventricular premature beats, atrioventricular block and ventricular tachycardia (Chang IK et al, 2002; Donofrio MT et al., 1999; ... by more than 27 ms pNN50 Percentage of adjacent RR intervals differing by more than 50 ms PVC Premature ventricular contraction QTc corrected QT interval r2 Coefficient of determination RCT Randomized ... electrocardiography……… 128 Introduction………………………………………………………… 129 Case report of a foetus with premature ventricular contractions … 129 2.1 2.2 Antenatal foetal ECG…………………………………… 129 Intrapartum foetal...
- 98
- 339
- 0
Assessment and quantification of foetal electrocardiography and heart rate variability of normal foetuses from early to late gestational periods 5
Ngày tải lên :
15/09/2015, 17:10
... Brambati B, Pardi G The intraventricular conduction time of foetal heart in uncomplicated pregnancies Br J Obstet Gynaecol 1980; 87(11): 941-8 49 Brambati B and Pardi G The intraventricular conduction ... life-threatening ventricular arrhythmias long after myocardial infarction Am Heart J 1995; 130(3 Pt 1): 473-80 83 de Simone G, Devereux RB, Daniels SR, Meyer RA Gender differences in left ventricular ... Abe A, Watanabe H, Fujiki Y, Yoshikawa H, Murakami T, Horigome H Successful management of supraventricular tachycardia in a fetus using fetal magnetocardiography Fetal Diagn Ther 2005; 20(5):...
- 53
- 300
- 0
Báo cáo y học: "Clinical review: A review and analysis of heart rate variability and the diagnosis and prognosis of infection" pps
Ngày tải lên :
13/08/2014, 19:20
... between sick and healthy subjects, as noted by Brahm Goldstein [64], who regards HRV analysis as a premature tool’ to study neonatal sepsis Thus, improving specificity is a major challenge for the ... variability is associated with events in patients with stable coronary artery disease and preserved left ventricular function REGRESS Study Group Am Heart J 1998, 135:571-576 Pardo Y, Merz CN, Paul-Labrador ... Heart J 1995, 130:772-779 34 Poulsen SH, Jensen SE, Moller JE, Egstrup K: Prognostic value of left ventricular diastolic function and association with heart rate variability after a first acute myocardial...
- 7
- 246
- 0
Age- and sex-related effects on the neuroanatomy of healthy elderly pdf
Ngày tải lên :
05/03/2014, 21:20
... reported in healthy elderly an agerelated increase of white matter hyperintensities (WMH) in the periventricular areas This type of lesion, observed with a hyposignal in T1-weighted images, could be ... interpreted as a demyelination of WM fibers during aging (MeierRuge et al., 1992) Otherwise, the ventricular enlargement in aging could determine partly the age-related changes in WM fibers surrounding ... cm3/year, respectively By contrast, we estimated an annual rate of CSF increase (including sulcal and ventricular CSF compartments) for men and women of 3.3 and 4.0 cm3/year, respectively H Lemaıtre...
- 12
- 650
- 0
Báo cáo y học: "Effect of Acute Administration of an Herbal Preparation on Blood Pressure and Heart Rate in Humans"
Ngày tải lên :
25/10/2012, 11:10
... report and review of the literature Texas Heart Inst J 2009; 36: 586-590 Stephensen TA, Sarlay Jr R Ventricular fibrillation associated with use of synephrine containing dietary supplement Military...
- 6
- 490
- 0
báo cáo hóa học: " Influence of passive leg movements on blood circulation on the tilt table in healthy adults" pdf
Ngày tải lên :
19/06/2014, 10:20
... a horizontal to a vertical position because of the lack of sympathetic activity and the missing contractions of leg muscles in the lower extremities that normally act as muscle pumps [7,8] This ... within approximately 20 minutes The afferent end of this reflex pathway may be mediated by left ventricular or right atrium mechanoreceptors that are activated during vigorous contraction around ... of a reflex response triggered by a sympathetic-induced hypercontraction of an almost empty left ventricular chamber [34] In both experiments there were no recurrent syncope or near-syncope in...
- 13
- 395
- 0