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Electrocardiogram

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101. An Unusual Electrocardiogram. (PubMed)

An Unusual Electrocardiogram. A 56-year-old female was hospitalized and her admission ECG differed from previous tracings. Knowledge of variant cardiac anatomy along with awareness of common pitfalls in ECG recording reveals the clinical diagnosis and explains the difference.

2018 Pediatric Cardiology

102. A systematic review of cardiac time intervals utilising non-invasive fetal electrocardiogram in normal fetuses. (PubMed)

A systematic review of cardiac time intervals utilising non-invasive fetal electrocardiogram in normal fetuses. Non-invasive fetal electrocardiogram (NIFECG) is an evolving technology in fetal surveillance which is attracting increasing research interest. There is however, only limited data outlining the reference ranges for normal cardiac time intervals (CTIs). The objective of our group was to carry out a systematic review to outline normal fetal CTIs using NIFECG.A systematic review of peer

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2018 BMC Pregnancy and Childbirth

103. Usefulness of Serial 12-Lead Electrocardiograms in Predicting 30-Day Outcomes in Patients With Undifferentiated Chest Pain (the ASAP CATH Study). (PubMed)

Usefulness of Serial 12-Lead Electrocardiograms in Predicting 30-Day Outcomes in Patients With Undifferentiated Chest Pain (the ASAP CATH Study). An initial electrocardiogram (ECG) and serial troponin measurements are both independently and incrementally predictive of acute coronary syndrome in patients presenting with undifferentiated chest pain in the Emergency Department (ED). However, it is unclear if serial (ECGs) add significant to the contemporary diagnostic evaluation of this patient

2018 American Journal of Cardiology

104. Diagnostic accuracy of prehospital electrocardiograms interpreted remotely by emergency physicians in myocardial infarction patients. (PubMed)

Diagnostic accuracy of prehospital electrocardiograms interpreted remotely by emergency physicians in myocardial infarction patients. Prehospital 12‑lead electrocardiogram (ECG) is the most widely used screening tool for recognition of ST-segment elevation myocardial infarction (STEMI). However, prehospital diagnosis of STEMI based solely on ECGs can be challenging.To evaluate the ability of emergency department (ED) physicians to accurately interpret prehospital 12‑lead ECGs from a remote

2018 American Journal of Emergency Medicine

105. Accuracy of blinded clinician interpretation of single-lead smartphone electrocardiograms and a proposed clinical workflow. (PubMed)

Accuracy of blinded clinician interpretation of single-lead smartphone electrocardiograms and a proposed clinical workflow. Despite the appeal of smartphone-based electrocardiograms (ECGs) for arrhythmia screening, a paucity of data exists on the accuracy of primary care physicians' and cardiologists' interpretation of tracings compared with the device's automated diagnosis. Using 408 ECGs in 51 patients, we demonstrate a variable accuracy in clinician interpretation of smartphone-based ECGs

2018 American Heart Journal

106. Preexcitation syndrome: experimental study on the electrocardiogram of antegradely conducting accessory pathway. (PubMed)

Preexcitation syndrome: experimental study on the electrocardiogram of antegradely conducting accessory pathway. Preexcitation syndrome is characterized by a dominant delta wave on the baseline electrocardiogram (ECG), resulting from the change in QRS initial vector by the accessory pathway (AP). This study is to explore the effect of ventricular preexcitation on the QRS initial, maximal and terminal vector in an experimental rabbit with preexcitation syndrome induced by programmed electrical

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2018 BMC Cardiovascular Disorders

107. Large Q and S waves in lead III on the electrocardiogram distinguish patients with hypertrophic cardiomyopathy from athletes. (PubMed)

Large Q and S waves in lead III on the electrocardiogram distinguish patients with hypertrophic cardiomyopathy from athletes. To identify electrocardiographic findings, especially deep Q and S waves in lead III, that differentiate athletes from patients with hypertrophic cardiomyopathy (HCM).Digital ECGs of athletes and patients with HCM followed at the Stanford Center for Inherited Cardiovascular Disease were studied retrospectively. All patients with HCM had an echocardiogram performed

2018 Heart

108. Accepting telemedicine in a circulatory medicine ward in major hospitals in South Korea: patients' and health professionals' perception of real-time electrocardiogram monitoring. (PubMed)

Accepting telemedicine in a circulatory medicine ward in major hospitals in South Korea: patients' and health professionals' perception of real-time electrocardiogram monitoring. South Korean government is currently in progress of expanding the coverage of telemedicine projects as part of an attempt to vitalize service industry, but is facing fierce opposition from KMA. Practice of telemedicine requires sufficient discussions among related parties. Although the participation of medical

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2018 BMC health services research

109. Apical Hypertrophic Cardiomyopathy: A Concerning Electrocardiogram in the Emergency Department. (PubMed)

Apical Hypertrophic Cardiomyopathy: A Concerning Electrocardiogram in the Emergency Department. Apical hypertrophic cardiomyopathy is a rare, complex phenotypic variant of the classically taught hypertrophic cardiomyopathy. It is highly variable in its pathophysiology as well as its clinical course, spanning the spectrum from a healthy asymptomatic lifestyle to sudden cardiac death and severe diastolic dysfunction. The hallmark electrocardiographic findings of unusually large T-wave inversions (...) , in conjunction with the most common presenting symptom being chest pain, makes this disease entity concerning in the emergency department (ED) setting.A 61-year-old man with a history of hypertension presented to the ED with chest pain. His electrocardiogram exhibited a biphasic T wave in lead V2 with ST depressions in leads V3-V6 with deep symmetrical T-wave inversions in these leads as well. His troponin was negative and the patient was taken for cardiac catheterization. Catheterization revealed

2018 Journal of Emergency Medicine

110. Classic electrocardiogram-based and mobile technology derived approaches to heart rate variability are not equivalent. (PubMed)

Classic electrocardiogram-based and mobile technology derived approaches to heart rate variability are not equivalent. We compared classic ECG-derived versus a mobile approach to heart rate variability (HRV) measurement.29 young adult healthy volunteers underwent a simultaneous recording of heart rate using an ECG and a chest heart rate monitor at supine rest, during mental stress and active standing. Mean RR interval, Standard Deviation of Normal-to-Normal (SDNN) of RR intervals, and Root Mean

2018 International journal of cardiology

111. Design and Evaluation of a Wireless Electrocardiogram Monitor in an Operating Room: A Pilot Study. (PubMed)

Design and Evaluation of a Wireless Electrocardiogram Monitor in an Operating Room: A Pilot Study. Wired electrocardiogram monitors are an important component of current perioperative monitoring. Wireless monitoring units could help reduce the number of cables attached to patients and thus improve anesthesia ergonomics and patient management. However, there is concern that electromagnetic interference generated by electrosurgical units may prevent effective wireless signals in the operating (...) room. To evaluate the extent of this problem, we developed a Bluetooth electrocardiogram prototype monitor and compared its electrocardiogram traces to those captured with a standard wired electrocardiogram monitor in our operating room.Bluetooth electrocardiogram and standard electrocardiogram traces captured from 10 patients undergoing surgical procedures that required use of an electrosurgical unit were compared by analysis of the durations of the P wave, QRS complex, and T wave and the position

2018 Anesthesia and Analgesia

112. Can Pediatric Practitioners Correctly Interpret Electrocardiograms? (PubMed)

Can Pediatric Practitioners Correctly Interpret Electrocardiograms? To assess the impact of participation in an educational presentation on electrocardiogram (ECG) interpretation in children on pediatric practitioners' ability to accurately interpret ECGs.Pediatric healthcare providers at a pediatric clinic with >65 000 visits/year were eligible to participate. A 1-hour ECG educational module that provided a systematic approach to ECG interpretation was presented to 8 providers who consented (6

2018 Journal of Pediatrics

113. Insertion of peripherally inserted central catheters with intracavitary electrocardiogram guidance: A randomized multicenter study in China. (PubMed)

Insertion of peripherally inserted central catheters with intracavitary electrocardiogram guidance: A randomized multicenter study in China. Ultrasound-guided venipuncture and tip location by intracavitary electrocardiogram have many advantages during the insertion of peripherally inserted central catheters, both in terms of safety and cost-effectiveness. Recently, a new tip-conductive peripherally inserted central catheters and new Doppler ultrasound device integrated with intracavitary (...) electrocardiogram have been introduced into clinical practice in China. A randomized multicenter study (clinical trial no. NCT03230357) was performed to verify the feasibility and accuracy of intracavitary electrocardiogram, as performed with this new peripherally inserted central catheters and device.Our study enrolled a total of 2250 adult patients in 10 different Chinese hospitals. The patients were randomly assigned to either the study group (intracavitary electrocardiogram) or the control group (anatomical

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2018 The journal of vascular access Controlled trial quality: uncertain

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

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

2018 Archives of Disease in Childhood. Fetal and Neonatal Edition Controlled trial quality: uncertain

115. Cardiac Safety of Rupatadine in a Single-Ascending-Dose and Multiple-Ascending-Dose Study in Healthy Japanese Subjects, Using Intensive Electrocardiogram Assessments-Comparison With the Previous White Caucasian Thorough QT Study. (PubMed)

Cardiac Safety of Rupatadine in a Single-Ascending-Dose and Multiple-Ascending-Dose Study in Healthy Japanese Subjects, Using Intensive Electrocardiogram Assessments-Comparison With the Previous White Caucasian Thorough QT Study. A thorough QT/QTc study in healthy white Caucasian subjects demonstrated that rupatadine has no proarrhythmic potential and raised no cardiac safety concerns. The present phase 1 study aimed to confirm the cardiac safety of rupatadine in healthy Japanese subjects (...) . In this randomized, double-blind, placebo-controlled study, 27 healthy Japanese subjects were administered single and multiple escalating rupatadine doses of 10, 20, and 40 mg or placebo. Triplicate electrocardiogram (ECG) recordings were performed on days -1, 1, and 5 at several points, and time-matched pharmacokinetic samples were also collected. Concentration-effect analysis based on the change in the QT interval corrected using Fridericia's formula (QTcF) from average baseline was performed. Data from

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2018 Clinical pharmacology in drug development Controlled trial quality: uncertain

116. Advanced Electrocardiogram Analysis in the Amitriptyline-poisoned Pig Treated with Activated Charcoal Haemoperfusion. (PubMed)

Advanced Electrocardiogram Analysis in the Amitriptyline-poisoned Pig Treated with Activated Charcoal Haemoperfusion. Coated activated charcoal haemoperfusion (CAC-HP) does not reduce the plasma concentration in amitriptyline (AT)-poisoned pigs. The aim of this non-blinded, randomized, controlled animal trial was to determine if CAC-HP reduces the pathological ECG changes caused by AT poisoning. Fourteen female Danish Landrace pigs (mean weight 27.7 kg, range 20-35 kg (CAC-HP) and 24.4 kg

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2018 Basic & clinical pharmacology & toxicology Controlled trial quality: uncertain

117. Left ventricular hypertrophy by electrocardiogram as a predictor of success in home blood pressure control: HOMED-BP study. (PubMed)

Left ventricular hypertrophy by electrocardiogram as a predictor of success in home blood pressure control: HOMED-BP study. Few studies have focused on the effect of organ damage on achievement of long-term home blood pressure (BP) control. Based on the nationwide home BP-based trial data, we aimed to investigate the factors associated with home BP control, in particular, left ventricular hypertrophy (LVH) using the electrocardiogram in patients who started antihypertensive drug treatment

2018 Hypertension research : official journal of the Japanese Society of Hypertension Controlled trial quality: uncertain

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

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

2018 Archives of Disease in Childhood. Fetal and Neonatal Edition Controlled trial quality: uncertain

119. Improvement of Reverse Remodeling Using Electrocardiogram Fusion-Optimized Intervals in Cardiac Resynchronization Therapy: A Randomized Study. (PubMed)

Improvement of Reverse Remodeling Using Electrocardiogram Fusion-Optimized Intervals in Cardiac Resynchronization Therapy: A Randomized Study. The aim of this study was to compare patient response to cardiac resynchronization therapy (CRT) using fusion-optimized atrioventricular (AV) and interventricular (VV) intervals versus nominal settings.The additional benefit obtained by AV- and VV-interval optimization in patients undergoing CRT remains controversial. Previous studies show short-term (...) benefit in hemodynamic parameters; however, midterm randomized comparison between electrocardiogram optimization and nominal parameters is lacking.A group of 180 consecutive patients with left bundle branch block treated with CRT were randomized to fusion-optimized intervals (FOI) or nominal settings. In the FOI group, AV and VV intervals were optimized according to the narrowest QRS, using fusion with intrinsic conduction. Clinical response was defined as an increase >10% in the 6-min walk test

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2018 JACC. Clinical electrophysiology Controlled trial quality: uncertain

120. Electrocardiogram reading: a randomized study comparing 2 e‑learning methods for medical students. (PubMed)

Electrocardiogram reading: a randomized study comparing 2 e‑learning methods for medical students. INTRODUCTION    Interpretation of the electrocardiogram (ECG) is an essential skill in most medical specialties; however, the best method of teaching how to read ECGs has not been determined. OBJECTIVES    The aim of the study was to compare the effectiveness of collaborative (C‑eL) and self (S‑eL) e‑learning of ECG reading among medical students. PATIENTS AND METHODS    A total of 60 fifth‑year

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2018 Polish archives of internal medicine

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