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Electrocardiogram

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2. Randomised study comparing heart rate measurement in newly born infants using a monitor incorporating electrocardiogram and pulse oximeter versus pulse oximeter alone

Randomised study comparing heart rate measurement in newly born infants using a monitor incorporating electrocardiogram and pulse oximeter versus pulse oximeter alone To determine whether IntelliVue (ECG plus Masimo pulse oximeter (PO)) measures heart rate (HR) in low-risk newborns more quickly than Nellcor PO (PO alone).Unmasked parallel group randomised (1:1) study.We studied 100 infants, 47 randomised to IntelliVue, 53 to Nellcor. Time to first HR was shorter with IntelliVue ECG than Nellcor

2019 EvidenceUpdates

3. Electrocardiogram: his bundle potentials can be recorded noninvasively beat by beat on surface electrocardiogram. (PubMed)

Electrocardiogram: his bundle potentials can be recorded noninvasively beat by beat on surface electrocardiogram. The micro waveform of His bundle potential can't be recorded beat-to-beat on surface electrocardiogram yet. We have found that the micro-wavelets before QRS complex may be related to atrioventricular conduction system potentials. This study is to explore the possibility of His bundle potential can be noninvasively recorded on surface electrocardiogram.We randomized 65 patients (...) undergoing radiofrequency catheter ablation of paroxysmal superventricular tachycardia (exclude overt Wolff-Parkinson-White syndrome) to receive "conventional electrocardiogram" and "new electrocardiogram" before the procedure. His bundle electrogram was collected during the procedure. Comparative analysis of PAs (PA interval recorded on surface electrocardiogram), AHs (AH interval recorded on surface electrocardiogram) and HVs (HV interval recorded on surface electrocardiogram) interval recorded

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2017 BMC Cardiovascular Disorders

4. Brugada type 1 electrocardiogram: Should we treat the electrocardiogram or the patient? (PubMed)

Brugada type 1 electrocardiogram: Should we treat the electrocardiogram or the patient? Patients with a Brugada type 1 electrocardiogram (ECG) pattern may suffer sudden cardiac death (SCD). Recognized risk factors are spontaneous type 1 ECG and syncope of presumed arrhythmic origin. Familial sudden cardiac death (f-SCD) is not a recognized independent risk factor. Finally, positive electrophysiologic study (+EPS) has a controversial prognostic value. Current ESC guidelines recommend implantable

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2017 World journal of cardiology

5. Relative versus absolute rises in T/QRS ratio by ST analysis of fetal electrocardiograms in labour: A case-control pilot study. (PubMed)

Relative versus absolute rises in T/QRS ratio by ST analysis of fetal electrocardiograms in labour: A case-control pilot study. The additional value of ST analysis during labour is uncertain. In ST analysis, a T/QRS baseline value is calculated from the fetal electrocardiogram and successive T/QRS ratios are compared to this baseline. However, variation in the orientation of the electrical heart axis between fetuses may yield different T/QRS baseline values. In case of a higher T/QRS baseline (...) (umbilical cord artery pH <7.05 at birth, defining acidaemia) and 10 controls (pH >7.20) were included. The fetal electrocardiogram was recorded using a STAN monitor. We electronically extracted all T/QRS values, baseline and episodic ST events from the STAN monitor and calculated the relative T/QRS changes. The cut-off for relative ST events was determined in a receiver operator characteristic (ROC) curve at optimal specificity for cord acidaemia. Parameters of interest were area under the curve (AUC

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2019 PLoS ONE

6. Fetal electrocardiogram (ECG) for fetal monitoring during labour. (PubMed)

Fetal electrocardiogram (ECG) for fetal monitoring during labour. Hypoxaemia during labour can alter the shape of the fetal electrocardiogram (ECG) waveform, notably the relation of the PR to RR intervals, and elevation or depression of the ST segment. Technical systems have therefore been developed to monitor the fetal ECG during labour as an adjunct to continuous electronic fetal heart rate monitoring with the aim of improving fetal outcome and minimising unnecessary obstetric interference.To

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2015 Cochrane

7. Electrocardiogram signal-based analysis for diagnosis of coronary artery disease: multifunction cardiogram and signal-averaged electrocardiogram

Electrocardiogram signal-based analysis for diagnosis of coronary artery disease: multifunction cardiogram and signal-averaged electrocardiogram Electrocardiogram signal-based analysis for diagnosis of coronary artery disease: multifunction cardiogram and signal-averaged electrocardiogram Electrocardiogram signal-based analysis for diagnosis of coronary artery disease: multifunction cardiogram and signal-averaged electrocardiogram Record Status This is a bibliographic record of a published (...) health technology assessment. No evaluation of the quality of this assessment has been made for the HTA database. Citation Electrocardiogram signal-based analysis for diagnosis of coronary artery disease: multifunction cardiogram and signal-averaged electrocardiogram . Lansdale: HAYES, Inc.. Directory Publication. 2011 Authors' conclusions Electrocardiogram (ECG) signal analysis technologies represent enhanced versions of the standard resting or exercise ECG. ECG signal analysis systems entail

2011 Health Technology Assessment (HTA) Database.

8. Multi-arrhythmias detection with an XML rule-based system from 12-Lead Electrocardiogram (PubMed)

Multi-arrhythmias detection with an XML rule-based system from 12-Lead Electrocardiogram The computer-aided detection of cardiac arrhythmias stills a crucial application in medical technologies. The rule based systems RBS ensure a high level of transparency and interpretability of the obtained results.To facilitate the diagnosis of the cardiologists and to reduce the uncertainty made in this diagnosis.In this research article, we have realized a classification and automatic recognition

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2017 Electronic physician

9. A systematic review to determine the rate of sudden cardiac arrest and death in athletes, and to determine the benefits and harms of the electrocardiogram screening of athletes

A systematic review to determine the rate of sudden cardiac arrest and death in athletes, and to determine the benefits and harms of the electrocardiogram screening of athletes Print | PDF PROSPERO This information has been provided by the named contact for this review. CRD has accepted this information in good faith and registered the review in PROSPERO. The registrant confirms that the information supplied for this submission is accurate and complete. CRD bears no responsibility or liability

2019 PROSPERO

10. The non-invasive fetal electrocardiogram monitoring during labor, a review of the literature

The non-invasive fetal electrocardiogram monitoring during labor, a review of the literature Print | PDF PROSPERO This information has been provided by the named contact for this review. CRD has accepted this information in good faith and registered the review in PROSPERO. The registrant confirms that the information supplied for this submission is accurate and complete. CRD bears no responsibility or liability for the content of this registration record, any associated files or external

2019 PROSPERO

11. Epinephrine Administered for Anaphylaxis Unmasking a Type 1 Brugada Pattern on Electrocardiogram. (PubMed)

Epinephrine Administered for Anaphylaxis Unmasking a Type 1 Brugada Pattern on Electrocardiogram. Brugada pattern on electrocardiography (ECG) can manifest as type 1 (coved pattern) and type 2 (saddleback pattern). Brugada syndrome represents an ECG with Brugada pattern in a patient with symptoms or clinical factors, including syncope, cardiac arrest, ventricular dysrhythmias, and family history. Brugada syndrome is caused by a genetic channelopathy, but the Brugada pattern may be drug-induced

2019 Journal of Emergency Medicine

12. Differentiation of Fasciculoventricular Fibers from Anteroseptal Accessory Pathways Using the Surface Electrocardiogram. (PubMed)

Differentiation of Fasciculoventricular Fibers from Anteroseptal Accessory Pathways Using the Surface Electrocardiogram. Fasciculoventricular fibers (FVFs) are responsible for 1%-5% of cases of asymptomatic preexcitation on the surface electrocardiogram (ECG). Unlike ventricular preexcitation seen in Wolff-Parkinson-White (WPW) syndrome, FVFs are not associated with sudden cardiac death from preexcited atrial fibrillation.The purpose of this study was to identify surface ECG variables

2019 Heart Rhythm

13. Why complicate an important task? An orderly display of the limb leads in the 12-lead electrocardiogram and its implications for recognition of acute coronary syndrome. (PubMed)

Why complicate an important task? An orderly display of the limb leads in the 12-lead electrocardiogram and its implications for recognition of acute coronary syndrome. In the standard ECG display, limb leads are presented in a non-anatomical sequence: I, II, III, aVR, aVL, aVF. The Cabrera system is a display format which instead presents the limb leads in a cranial/left-to-caudal/right sequence, i.e. in an anatomically sequential order. Lead aVR is replaced in the Cabrera display by its

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2019 BMC Cardiovascular Disorders

14. Towards prompt electrocardiogram acquisition in triage: Preliminary testing of a symptom-based clinical prediction rule for the Android tablet. (PubMed)

Towards prompt electrocardiogram acquisition in triage: Preliminary testing of a symptom-based clinical prediction rule for the Android tablet. For patients with suspected acute coronary syndrome, international guidelines indicate that an Electrocardiogram (ECG) should be performed within 10 min of first medical contact, however success at achieving these guidelines is limited.The purpose of this study was to develop and perform initial testing of a clinical prediction rule embedded in a tablet (...) application, and to expedite the identification of patients who require an electrocardiogram within 10 min.This derivation of the Acute Coronary Syndrome Application (AcSAP) comprised of three local studies, an unpublished audit and literature critique. The AcSAP was prospectively tested over four months in patients presenting to the Emergency Department (ED) of a Dublin teaching hospital. An audit form retrieved data pertaining to times of: registration to the emergency department, triage, first

2019 European Journal of Cardiovascular Nursing

15. Limited Relationship of Voltage Criteria for Electrocardiogram Left Ventricular Hypertrophy to Cardiovascular Mortality

Limited Relationship of Voltage Criteria for Electrocardiogram Left Ventricular Hypertrophy to Cardiovascular Mortality Numerous methods have been proposed for diagnosing left ventricular hypertrophy using the electrocardiogram. They have limited sensitivity for recognizing pathological hypertrophy, at least in part due to their inability to distinguish pathological from physiological hypertrophy. Our objective is to compare the major electrocardiogram-left ventricular hypertrophy criteria (...) for electrocardiogram-left ventricular hypertrophy, and there were 744 cardiovascular deaths (annual cardiovascular mortality 0.25%). Receiver operating characteristic analysis demonstrated that the greatest area under the curve (AUC) for classification of cardiovascular death was obtained using the Romhilt-Estes score (0.63; 95% confidence interval, 0.61-0.65). Most of the voltage-only criteria had nondiagnostic area under the curves, with the Cornell being the best at 0.59 (95% confidence interval, 0.57-0.62

2017 EvidenceUpdates

16. Electrocardiograms Recorded After Asystolic Cardiac Arrest. (PubMed)

Electrocardiograms Recorded After Asystolic Cardiac Arrest. A man with a history of drug abuse was found down at home and was asystolic. Following restoration of sinus rhythm, a hypothermia protocol brought his temperature to 32.5°C (90.5°F), and large Osborn waves appeared on his electrocardiogram. With rewarming the electrocardiographic signs of hypothermia diminished. Due to hypoxic brain injury during the arrest, the patient remained unresponsive and died on the fourth hospital

2019 American Journal of Cardiology

17. Effects of home-based cardiac exercise rehabilitation with remote electrocardiogram monitoring in patients with chronic heart failure: a study protocol for a randomised controlled trial. (PubMed)

Effects of home-based cardiac exercise rehabilitation with remote electrocardiogram monitoring in patients with chronic heart failure: a study protocol for a randomised controlled trial. Patients with chronic heart failure (CHF) can benefit from exercise rehabilitation (ER) with significant improvements in exercise capacity, quality of life and reduction in hospitalisations. Despite its reported benefits, only a small number of patients with CHF attend ER due to poor adherence, and improper

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2019 BMJ open

18. Significant reduction in umbilical artery metabolic acidosis after implementation of intrapartum ST waveform analysis of the fetal electrocardiogram. (PubMed)

Significant reduction in umbilical artery metabolic acidosis after implementation of intrapartum ST waveform analysis of the fetal electrocardiogram. Although the evidence regarding the benefit of using ST waveform analysis of the fetal electrocardiogram is conflicting, ST waveform analysis is considered as adjunct to identify fetuses at risk for asphyxia in our center. Most randomized controlled trials and meta-analyses have not shown a significant decrease in umbilical metabolic acidosis (...) while some observational studies have shown a gradual decrease of this outcome over a longer period of time. Observational studies can give more insight into the effect of implementation of the ST technology in daily clinical practice.To evaluate the change in frequency of perinatal intervention and adverse neonatal outcome after the implementation of ST waveform analysis of the fetal electrocardiogram from 2000 to 2013.This retrospective longitudinal study was conducted in a tertiary referral

2019 American Journal of Obstetrics and Gynecology

19. Noninvasive assessment of dofetilide plasma concentration using a deep learning (neural network) analysis of the surface electrocardiogram: A proof of concept study. (PubMed)

Noninvasive assessment of dofetilide plasma concentration using a deep learning (neural network) analysis of the surface electrocardiogram: A proof of concept study. Dofetilide is an effective antiarrhythmic medication for rhythm control in atrial fibrillation, but carries a significant risk of pro-arrhythmia and requires meticulous dosing and monitoring. The cornerstone of this monitoring, measurement of the QT/QTc interval, is an imperfect surrogate for plasma concentration, efficacy

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2018 PLoS ONE

20. Prognostic value of a normal or nonspecific initial electrocardiogram in acute myocardial infarction. (PubMed)

Prognostic value of a normal or nonspecific initial electrocardiogram in acute myocardial infarction. Although previous studies have suggested that normal and nonspecific initial electrocardiograms (ECGs) are associated with a favorable prognosis for patients with acute myocardial infarction (AMI), their independent predictive value for mortality has not been examined.To compare in-hospital mortality among patients with AMI who have normal or nonspecific initial ECGs with that of patients who

2017 JAMA

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