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 Posted: Thu 10:22, 10 Feb 2011 Post subject: ghd piastre Analysis of 65 cases of fetal electroc |
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Analysis of 65 cases of fetal electrocardiogram
QRS same frequency, the wave pattern and the RS has two Rs. ② premature rupture of membranes graphics: a. Premature rupture of membranes, FQRS amplitude increased, the normal newborn. 1 patient 39 weeks pregnant, premature rupture of membranes,[link widoczny dla zalogowanych], B-Tip sheep less, FQRS amplitude of 65V, more than the maximum range of the group, cesarean section when no amniotic fluid. No abnormal newborn; aforementioned twins Department of premature rupture of membranes, FQRS1 and FQtLS2 are 35V and 45V,[link widoczny dla zalogowanych], producing very little amniotic fluid, birth weight was 2450g and 2000g. b. Premature rupture of membranes, FQRS low amplitude, neonatal abnormalities. 1 patient 39 weeks pregnant, premature rupture of membranes, FQRS amplitude of only 10V, low birth weight 3000gNECG voltage; the other 1 case of 37 diagnosis of myocarditis, to be treated accordingly. @ FECG arrhythmias: 1 patient 4o hour survival test NECG, heart rate 100 beats / min, low voltage, Ⅱ and aVF lead sT-segment elevation, multi-sources of the former contract, transfer of Pediatrics,[link widoczny dla zalogowanych], myocarditis diagnosis, treatment, three weeks NECG back to normal. ④ 1 41 weeks gestation,[link widoczny dla zalogowanych], pregnant women with rheumatic heart disease, heart failure grade Ⅱ, FQRS amplitude 10V, ST segment depression 5V, QRS time 0.04s, the fetal heart rate 167 beats / min,[link widoczny dla zalogowanych], and immediately the line Cesarean, neonatal normal. Another 1 case of fetal distress, FECG only heart rate, FQRS time were <0.04s, not extended. 3 3.1 The group discussed the subject's more than most of the fetus at 37 weeks, so the success rate of 98.5% FECG monitoring, and Zhuo crystal report as ¨ the success rate of 37 to 41 weeks 95.5% similar. 3.2 The Group, Department of antenatal fetal heart waves recorded by the abdominal wall, through the amniotic fluid, uterine myometrium, maternal abdominal wall layers, so the voltage is low. Therefore, the frequency FECG graphics were slow high amplitude QRS affected parent is not a typical P, T wave, the amplitude of the fetus wave is low, fast frequency QRS wave, partially visible sT segment, but the parent of P, T wave difference to determine the level of its potential, and sometimes mixed wave was the womb, so the main observation level of fetal QRS wave amplitude, shape, length of time, frequency, speed, regularity of law or not, to help observe the status of the fetus. 3.3 This data suggest that the clinical significance of FECG: ① diagnosis of fetal size. Table 2 shows FQRS amplitude correlated with the fetal weight-related, the relevant procedure (y: a 17.5179 +0.0136, r: 0.3878, P <0.001), significant difference was highly positive correlation between to the diagnosis of intrauterine growth retardation and fetal macrosomia provides another basis. ② diagnosis of amniotic fluid less. Amplitude of the amniotic fluid came from a FQRS markedly improved, even if the low birth weight children was significantly higher. 1 case of twins in this group, although birth weight 2500g or less, but its amplitude are 35V and 45V, of the amplitude of fetal weight was 4000g values, producing very little amniotic fluid; and diagnosis of myocarditis who, though already a fetal membranes early break, but the amplitude is only 10V. Therefore, when there is still premature rupture of membranes and low amplitude is FQRS show fetal abnormalities, must be treated accordingly. ③ diagnosis of fetal distress. The group 2 patients were heart rate, only 1 case and sT-segment depression 5V, while QRS no case extend the time limit, and into Daili report the same J, but fewer cases, the accumulation of cases to be discussed. ④ diagnosis of fetal arrhythmia. The group 2 patients with neonatal ECG arrhythmia FECG were found to match, but only the QRS wave, it can not be determined in fetal type of arrhythmia, but to the early diagnosis and treatment of neonatal disorders provide clues accordingly. ⑤ diagnosis of twins. 1 case of this twin, two groups of fetuses wave is clearly visible, different graphics, so the diagnosis of twins may have some significance, its exact nature remains to be further accumulation of data. Fetal and neonatal ECG 3.4 Electrocardiogram relationship: The NECG FECG its corresponding standard I, Ⅱ, Ⅲ lead the QRS wave 4J0 on the paired comparison, shows the standard FQRS majority and NECG the QRS wave of lead Ⅱ type similar to some of the direct scalp electrode tracings of the QRS wave FECG similar.
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