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ECG interpretation

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https://www.readbyqxmd.com/read/28329355/international-recommendations-for-electrocardiographic-interpretation-in-athletes
#1
Sanjay Sharma, Jonathan A Drezner, Aaron Baggish, Michael Papadakis, Mathew G Wilson, Jordan M Prutkin, Andre La Gerche, Michael J Ackerman, Mats Borjesson, Jack C Salerno, Irfan M Asif, David S Owens, Eugene H Chung, Michael S Emery, Victor F Froelicher, Hein Heidbuchel, Carmen Adamuz, Chad A Asplund, Gordon Cohen, Kimberly G Harmon, Joseph C Marek, Silvana Molossi, Josef Niebauer, Hank F Pelto, Marco V Perez, Nathan R Riding, Tess Saarel, Christian M Schmied, David M Shipon, Ricardo Stein, Victoria L Vetter, Antonio Pelliccia, Domenico Corrado
Sudden cardiac death (SCD) is the leading cause of mortality in athletes during sport. A variety of mostly hereditary, structural, or electrical cardiac disorders are associated with SCD in young athletes, the majority of which can be identified or suggested by abnormalities on a resting 12-lead electrocardiogram (ECG). Whether used for diagnostic or screening purposes, physicians responsible for the cardiovascular care of athletes should be knowledgeable and competent in ECG interpretation in athletes. However, in most countries a shortage of physician expertise limits wider application of the ECG in the care of the athlete...
February 20, 2017: European Heart Journal
https://www.readbyqxmd.com/read/28328689/adult-chest-pain-in-the-pediatric-emergency-department-treatment-and-timeliness-from-door-in-to-door-out
#2
Jeffrey H Sacks, Peter B Flueckiger, Philip R Spandorfer, William T Mahle, Brian E Costello
OBJECTIVES: The American College of Cardiology Foundation/American Heart Association guidelines for acute coronary syndrome (ACS) recommend immediate aspirin (ASA) administration, an electrocardiogram (ECG) in less than 10 minutes, and a door-in to door-out (DIDO) time less than 30 minutes for interfacility transfer. We sought to determine if compliance is hindered when adults with suspected ACS present to pediatric facilities. METHODS: Visits to the 2 tertiary care emergency departments of a pediatric healthcare system using an adult chest pain protocol were examined from October 2006 to September 2012...
March 21, 2017: Pediatric Emergency Care
https://www.readbyqxmd.com/read/28318658/sudden-death-in-athletes
#3
Domenico Corrado, Alessandro Zorzi
Competitive sports activity is associated with an increased risk of sudden cardiovascular death (SCD) in adolescents and young adults with clinically silent cardiovascular disorders. While in middle-aged/senior athletes atherosclerotic coronary artery disease accounts for the vast majority of SCDs, in young athletes the spectrum of substrates is wider and includes inherited (cardiomyopathies) and congenital (anomalous origin of coronary arteries) structural heart diseases. Inherited ion channel diseases have been implicated in SCDs occurring with an apparently normal heart at autopsy...
March 10, 2017: International Journal of Cardiology
https://www.readbyqxmd.com/read/28278167/superior-success-rate-of-intracavitary-electrocardiogram-guidance-for-peripherally-inserted-central-catheter-placement-in-patients-with-cancer-a-randomized-open-label-controlled-multicenter-study
#4
Ling Yuan, Rongmei Li, Aifeng Meng, Yuling Feng, Xiancui Wu, Yiqun Yang, Ping Chen, Zhenzhu Qiu, Jing Qi, Chuanying Chen, Jia Wei, Minyi Qin, Weiwei Kong, Xiangyu Chen, Wei Xu
BACKGROUND: Intracavitary electrocardiogram (IC ECG) guidance emerges as a new technique for peripherally inserted central catheters (PICCs) placement and demonstrates many potential advantages in recent observational studies. AIMS: To determine whether IC ECG-guided PICCs provide more accurate positioning of catheter tips compared to conventional anatomical landmarks in patients with cancer undergoing chemotherapy. METHODS: In this multicenter, open-label, randomized controlled study (ClinicalTrials...
2017: PloS One
https://www.readbyqxmd.com/read/28270204/friend-or-foe-flipped-classroom-for-undergraduate-electrocardiogram-learning-a-randomized-controlled-study
#5
RANDOMIZED CONTROLLED TRIAL
Zeng Rui, Xiang Lian-Rui, Yue Rong-Zheng, Zeng Jing, Wan Xue-Hong, Zuo Chuan
BACKGROUND: Interpreting an electrocardiogram (ECG) is not only one of the most important parts of clinical diagnostics but also one of the most difficult topics to teach and learn. In order to enable medical students to master ECG interpretation skills in a limited teaching period, the flipped teaching method has been recommended by previous research to improve teaching effect on undergraduate ECG learning. METHODS: A randomized controlled trial for ECG learning was conducted, involving 181 junior-year medical undergraduates using a flipped classroom as an experimental intervention, compared with Lecture-Based Learning (LBL) as a control group...
March 7, 2017: BMC Medical Education
https://www.readbyqxmd.com/read/28269712/heart-rate-variability-as-a-biomarker-for-sedation-depth-estimation-in-icu-patients
#6
Sunil B Nagaraj, Sowmya M Ramaswamy, Siddharth Biswal, Emily J Boyle, David W Zhou, Lauren M Mcclain, Eric S Rosenthal, Patrick L Purdon, M Brandon Westover
An automated patient-specific system to classify the level of sedation in ICU patients using heart rate variability signal is presented in this paper. ECG from 70 mechanically ventilated adult patients with administered sedatives in an ICU setting were used to develop a support vector machine based system for sedation depth monitoring using several heart rate variability measures. A leave-one-subject-out cross validation was used for classifier training and performance evaluations. The proposed patient-specific system provided a sensitivity, specificity and an AUC of 64%, 84...
August 2016: Conference Proceedings: Annual International Conference of the IEEE Engineering in Medicine and Biology Society
https://www.readbyqxmd.com/read/28268382/portable-electrocardiogram-device-using-android-smartphone
#7
S G E Brucal, G K D Clamor, L A O Pasiliao, J P F Soriano, L P M Varilla
Portable electrocardiogram (ECG) capturing device can be interfaced to a smart phone installed with an android-based application (app). This app processes and analyses the data sent by the device to provide an interpretation of the patient/user's heart current condition (e.g.: beats per minute, heart signal waveform, R-R interval). The ECG recorded by the app is stored in the smart phone's Secure Digital (SD) card and cloud storage which can be accessed remotely by a physician to aid in providing medical diagnosis...
August 2016: Conference Proceedings: Annual International Conference of the IEEE Engineering in Medicine and Biology Society
https://www.readbyqxmd.com/read/28258178/international-criteria-for-electrocardiographic-interpretation-in-athletes
#8
Jonathan A Drezner, Sanjay Sharma, Aaron Baggish, Michael Papadakis, Mathew G Wilson, Jordan M Prutkin, Andre La Gerche, Michael J Ackerman, Mats Borjesson, Jack C Salerno, Irfan M Asif, David S Owens, Eugene H Chung, Michael S Emery, Victor F Froelicher, Hein Heidbuchel, Carmen Adamuz, Chad A Asplund, Gordon Cohen, Kimberly G Harmon, Joseph C Marek, Silvana Molossi, Josef Niebauer, Hank F Pelto, Marco V Perez, Nathan R Riding, Tess Saarel, Christian M Schmied, David M Shipon, Ricardo Stein, Victoria L Vetter, Antonio Pelliccia, Domenico Corrado
Sudden cardiac death (SCD) is the leading cause of mortality in athletes during sport. A variety of mostly hereditary, structural or electrical cardiac disorders are associated with SCD in young athletes, the majority of which can be identified or suggested by abnormalities on a resting 12-lead electrocardiogram (ECG). Whether used for diagnostic or screening purposes, physicians responsible for the cardiovascular care of athletes should be knowledgeable and competent in ECG interpretation in athletes. However, in most countries a shortage of physician expertise limits wider application of the ECG in the care of the athlete...
March 3, 2017: British Journal of Sports Medicine
https://www.readbyqxmd.com/read/28256386/-reliability-study-on-the-interpretation-of-electrocardiograms-by-general-practitioners-and-trainees
#9
F J Alonso Moreno, R Orueta Sánchez, A Segura Fragoso, A I Rabadán Velasco, L Luna Del Pozo, A Villarín Castro, M Baquero Alonso, L Rodríguez Padial
OBJECTIVE: To determine the reliability of the interpretation of electrocardiograms (ECG) by general practitioners and those in training by making a comparison with the interpretation made by the cardiologist. MATERIAL AND METHODS: An observational study was conducted that included general practitioners working in the Toledo Health Area, physicians during their training in Family and Community Medicine, and cardiologists in their first 3 years of specialist training (R1-R3)...
February 27, 2017: Semergen
https://www.readbyqxmd.com/read/28241829/real-time-qrs-complex-detection-using-dfa-and-regular-grammar
#10
Salah Hamdi, Asma Ben Abdallah, Mohamed Hedi Bedoui
BACKGROUND: The sequence of Q, R, and S peaks (QRS) complex detection is a crucial procedure in electrocardiogram (ECG) processing and analysis. We propose a novel approach for QRS complex detection based on the deterministic finite automata with the addition of some constraints. This paper confirms that regular grammar is useful for extracting QRS complexes and interpreting normalized ECG signals. A QRS is assimilated to a pair of adjacent peaks which meet certain criteria of standard deviation and duration...
February 28, 2017: Biomedical Engineering Online
https://www.readbyqxmd.com/read/28227974/heart-rate-variability-as-a-biomarker-for-sedation-depth-estimation-in-icu-patients
#11
Sunil B Nagaraj, Sowmya M Ramaswamy, Siddharth Biswal, Emily J Boyle, David W Zhou, Lauren M Mcclain, Eric S Rosenthal, Patrick L Purdon, M Brandon Westover, Sunil B Nagaraj, Sowmya M Ramaswamy, Siddharth Biswal, Emily J Boyle, David W Zhou, Lauren M Mcclain, Eric S Rosenthal, Patrick L Purdon, M Brandon Westover, M Brandon Westover, Sunil B Nagaraj, Siddharth Biswal, Sowmya M Ramaswamy, Lauren M Mcclain, David W Zhou, Emily J Boyle, Patrick L Purdon, Eric S Rosenthal
An automated patient-specific system to classify the level of sedation in ICU patients using heart rate variability signal is presented in this paper. ECG from 70 mechanically ventilated adult patients with administered sedatives in an ICU setting were used to develop a support vector machine based system for sedation depth monitoring using several heart rate variability measures. A leave-one-subject-out cross validation was used for classifier training and performance evaluations. The proposed patient-specific system provided a sensitivity, specificity and an AUC of 64%, 84...
August 2016: Conference Proceedings: Annual International Conference of the IEEE Engineering in Medicine and Biology Society
https://www.readbyqxmd.com/read/28226547/portable-electrocardiogram-device-using-android-smartphone
#12
S G E Brucal, G K D Clamor, L A O Pasiliao, J P F Soriano, L P M Varilla, S G E Brucal, G K D Clamor, L A O Pasiliao, J P F Soriano, L P M Varilla, J P F Soriano, L P M Varilla, S G E Brucal, L A O Pasiliao, G K D Clamor
Portable electrocardiogram (ECG) capturing device can be interfaced to a smart phone installed with an android-based application (app). This app processes and analyses the data sent by the device to provide an interpretation of the patient/user's heart current condition (e.g.: beats per minute, heart signal waveform, R-R interval). The ECG recorded by the app is stored in the smart phone's Secure Digital (SD) card and cloud storage which can be accessed remotely by a physician to aid in providing medical diagnosis...
August 2016: Conference Proceedings: Annual International Conference of the IEEE Engineering in Medicine and Biology Society
https://www.readbyqxmd.com/read/28198403/noninvasive-quantification-of-blood-potassium-concentration-from-ecg-in-hemodialysis-patients
#13
Cristiana Corsi, Marilisa Cortesi, Giulia Callisesi, Johan De Bie, Carlo Napolitano, Antonio Santoro, David Mortara, Stefano Severi
Blood potassium concentration ([K(+)]) influences the electrocardiogram (ECG), particularly T-wave morphology. We developed a new method to quantify [K(+)] from T-wave analysis and tested its clinical applicability on data from dialysis patients, in whom [K(+)] varies significantly during the therapy. To elucidate the mechanism linking [K(+)] and T-wave, we also analysed data from long QT syndrome type 2 (LQT2) patients, testing the hypothesis that our method would have underestimated [K(+)] in these patients...
February 15, 2017: Scientific Reports
https://www.readbyqxmd.com/read/28190464/a-chinese-patent-medicine-salvia-miltiorrhiza-depside-salts-for-infusion-combined-with-conventional-treatment-for-patients-with-angina-pectoris-a-systematic-review-and-meta-analysis-of-randomized-controlled-trials
#14
Yili Zhang, Yanming Xie, Xing Liao, Qiulei Jia, Yan Chai
BACKGROUND: Currently, many trials have been conducted to investigate the beneficial and harmful effects of Salvia miltiorrhiza depside salts for infusion for treating patients with angina pectoris. It is important to systematically and criticallyevaluate the existing literature into providing a pooled effect to examine outcomes of angina pectoris with Salvia miltiorrhiza depside salts for infusion. PURPOSE: A systematic review and meta-analysis were performed to determine the clinical curative effect and safety of Salvia miltiorrhiza depside salts for infusion for angina pectoris and provide clear evidence to inform clinical practice...
February 15, 2017: Phytomedicine: International Journal of Phytotherapy and Phytopharmacology
https://www.readbyqxmd.com/read/28187886/quantification-of-the-first-order-high-pass-filter-s-influence-on-the-automatic-measurements-of-the-electrocardiogram
#15
Jonas Isaksen, Remo Leber, Ramun Schmid, Hans-Jakob Schmid, Gianluca Generali, Roger Abächerli
BACKGROUND AND OBJECTIVE: The first-order high-pass filter (AC coupling) has previously been shown to affect the ECG for higher cut-off frequencies. We seek to find a systematic deviation in computer measurements of the electrocardiogram when the AC coupling with a 0.05 Hz first-order high-pass filter is used. METHODS: The standard 12-lead electrocardiogram from 1248 patients and the automated measurements of their DC and AC coupled version were used. We expect a large unipolar QRS-complex to produce a deviation in the opposite direction in the ST-segment...
February 2017: Computer Methods and Programs in Biomedicine
https://www.readbyqxmd.com/read/28183339/prevalence-and-associated-factors-of-resting-electrocardiogram-abnormalities-among-systemic-lupus-erythematosus-patients-without-cardiovascular-disease
#16
Hanan Al Rayes, Paula J Harvey, Dafna D Gladman, Jiandong Su, Arthy Sabapathy, Murray B Urowitz, Zahi Touma
BACKGROUND: Electrocardiogram (ECG) cardiovascular disease (CVD) abnormalities (ECG-CVD) are predictive of subsequent CVD events in the general population. Systemic lupus erythematosus (SLE) patients are vulnerable to CVD. We aimed to determine the prevalence of ECG-CVD in SLE patients and to examine the risk factors associated with ECG-CVD. METHODS: A 12-lead resting supine ECG was performed on consecutive adult patients attending the clinic. One cardiologist interpreted the ECGs...
February 10, 2017: Arthritis Research & Therapy
https://www.readbyqxmd.com/read/28181210/the-differences-in-ecgs-interpretation-in-top-level-athletes
#17
Agnieszka A Jakubiak, Krystyna Burkhard-Jagodzińska, Wojciech Król, Marcin Konopka, Dominik Bursa, Dariusz Sitkowski, Marek Kuch, Wojciech Braksator
BACKGROUND: The Ministry of Health in Poland recommends ECG- based cardiovascular screening in athletes, but so far, there is lack of guidelines on preparticipation assessment. We compared different criteria of ECG screening assessment in the group of top-level athletes. AIMS: The aims were to evaluate the prevalence of ECG changes in athletes that necessitate further cardiological work-up according to three criteria in various age groups as well as to identify factors determining the occurrence of changes related and unrelated to the training...
February 9, 2017: Kardiologia Polska
https://www.readbyqxmd.com/read/28174175/association-of-implementation-of-practice-standards-for-electrocardiographic-monitoring-with-nurses-knowledge-quality-of-care-and-patient-outcomes-findings-from-the-practical-use-of-the-latest-standards-of-electrocardiography-pulse-trial
#18
Marjorie Funk, Kristopher P Fennie, Kimberly E Stephens, Jeanine L May, Catherine G Winkler, Barbara J Drew
BACKGROUND: Although continuous electrocardiographic (ECG) monitoring is ubiquitous in hospitals, monitoring practices are inconsistent. We evaluated implementation of American Heart Association practice standards for ECG monitoring on nurses' knowledge, quality of care, and patient outcomes. METHODS AND RESULTS: The PULSE (Practical Use of the Latest Standards of Electrocardiography) Trial was a 6-year multisite randomized clinical trial with crossover that took place in 65 cardiac units in 17 hospitals...
February 2017: Circulation. Cardiovascular Quality and Outcomes
https://www.readbyqxmd.com/read/28159815/validation-of-the-prognostic-utility-of-the-electrocardiogram-for-acute-drug-overdose
#19
Alex F Manini, Ajith P Nair, Rajesh Vedanthan, David Vlahov, Robert S Hoffman
BACKGROUND: While it is certain that some emergency department patients with acute drug overdose suffer adverse cardiovascular events (ACVE), predicting ACVE is difficult. The prognostic utility of the ECG for heterogeneous drug overdose patients remains to be proven. This study was undertaken to validate previously derived features of the initial ECG associated with ACVE in this population. METHODS AND RESULTS: We performed a prospective validation cohort study to evaluate adult emergency department patients with acute drug overdose at 2 urban university hospitals over 5 years in whom an emergency department admission ECG was performed...
February 3, 2017: Journal of the American Heart Association
https://www.readbyqxmd.com/read/28150082/relationship-between-gated-myocardial-perfusion-spect-findings-and-hemodynamic-electrocardiographic-and-heart-rate-changes-after-dipyridamole-infusion
#20
Arash Gholoobi, Narjess Ayati, Alireza Baghyari, Mohsen Mouhebati, Baharak Atar, Vahid Reza Dabbagh Kakhki
After dipyridamole infusion, electrocardiographic (ECG), blood pressure and heart rate (HR) changes were seen. We tried to investigate whether there is a relationship between hemodynamic, ECG and HR changes after dipyridamole infusion and gated myocardial perfusion SPECT findings. We studied 206 consecutive patients which underwent a 2-day protocol Dipyridamole Stress/Rest Tc99m-Sestamibi gated myocardial perfusion SPECT. Systolic blood pressure (SBP), diastolic blood pressure (DBP), HR and ECG were recorded...
February 1, 2017: International Journal of Cardiovascular Imaging
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