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https://www.readbyqxmd.com/read/28511781/correlation-of-right-atrial-enlargement-on-ecg-to-right-atrial-volume-by-echocardiography-in-patients-with-pulmonary-hypertension
#1
John D Allison, Francisco Yuri Macedo, Ihab Rafic Hamzeh, Yochai Birnbaum
Previous attempts to validate ECG criteria for right atrial (RA) enlargement (RAE) have been limited by sample sizes and lack of accepted standards for measuring RA size. New guidelines have recommended that RA volume (RAV) be used to determine RA size. Since these guidelines were released, no studies have been published that correlate RAE by ECG to RAV using the new standards. We aimed to validate previously proposed ECG criteria for RAE, commonly called P pulmonale, and to establish whether a correlation exists between P wave amplitudes and RAV as determined by echocardiogram in patients from the pulmonary hypertension (PHT) clinic...
April 22, 2017: Journal of Electrocardiology
https://www.readbyqxmd.com/read/28359515/electrocardiographic-criteria-for-the-diagnosis-of-left-ventricular-hypertrophy
#2
Julio G Peguero, Saberio Lo Presti, Jorge Perez, Omar Issa, Juan C Brenes, Alfonso Tolentino
BACKGROUND: Current electrocardiographic (ECG) criteria for the diagnosis of left ventricular hypertrophy (LVH) have low sensitivity. OBJECTIVES: The goal of this study was to test a new method to improve the diagnostic performance of the electrocardiogram. METHODS: The study was divided into 2 groups, a test and a validation cohort. In the test cohort, 94 patients were analyzed, including 47 with the diagnosis of hypertensive crisis and 47 with normal blood pressure at admission...
April 4, 2017: Journal of the American College of Cardiology
https://www.readbyqxmd.com/read/28329355/international-recommendations-for-electrocardiographic-interpretation-in-athletes
#3
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/28292587/diagnosis-of-perioperative-myocardial-infarction-after-heart-valve-surgery-with-new-cut-off-point-of-high-sensitivity-troponin-t-and-new-electrocardiogram-or-echocardiogram-changes
#4
Héctor Cubero-Gallego, Mario Lorenzo, María Heredia, Itziar Gómez, Eduardo Tamayo
OBJECTIVE: Criteria for diagnosing myocardial infarction (MI) after heart valve surgery are not collected in the Third Universal Definition of MI. We aimed to define cut-offs for high-sensitivity cardiac troponin T (hs-cTnT) and creatine kinase-MB (CK-MB) for the diagnosis of perioperative MI after heart valve surgery according to perioperative MI determined by new alterations in electrocardiogram (ECG) and/or transthoracic echocardiogram (TTE). Secondary endpoints were incidence of perioperative MI, postoperative complications, 30-day mortality, and 2-year survival...
February 14, 2017: Journal of Thoracic and Cardiovascular Surgery
https://www.readbyqxmd.com/read/28280349/prognostic-indices-among-hypertensive-heart-failure-patients-in-nigeria-the-roles-of-24-hour-holter-electrocardiography-and-6-minute-walk-test
#5
Tuoyo O Mene-Afejuku, Michael O Balogun, Anthony O Akintomide, Rasaaq A Adebayo
BACKGROUND: Hypertensive heart failure (HHF) is associated with a poor prognosis. There is paucity of data in Nigeria on prognosis among HHF patients elucidating the role of 24-hour Holter electrocardiogram (ECG) in concert with other risk factors. OBJECTIVE: The aim of this study was to determine the prognostic utility of 24-hour Holter ECG, the 6-minute walk test (6-MWT), echocardiography, clinical and laboratory parameters among HHF patients. METHODS: A total of 113 HHF patients were recruited and followed up for 6 months...
2017: Vascular Health and Risk Management
https://www.readbyqxmd.com/read/28258178/international-criteria-for-electrocardiographic-interpretation-in-athletes
#6
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/28215467/cardiovascular-screening-in-low-income-settings-using-a-novel-4-lead-smartphone-based-electrocardiograph-d-heart%C3%A2
#7
Niccolo' Maurizi, Alessandro Faragli, Jacopo Imberti, Nicolò Briante, Mattia Targetti, Katia Baldini, Amadou Sall, Abibou Cisse, Francesca Gigli Berzolari, Paola Borrelli, Fulvio Avvantaggiato, Stefano Perlini, Niccolo' Marchionni, Franco Cecchi, Gianbattista Parigi, Iacopo Olivotto
BACKGROUND: MHealth technologies are revolutionizing cardiovascular medicine. However, a low-cost, user-friendly smartphone-based electrocardiograph is still lacking. D-Heart® is a portable device that enables the acquisition of the ECG on multiple leads which streams via Bluetooth to any smartphone. Because of the potential impact of this technology in low-income settings, we determined the accuracy of D-Heart® tracings in the stratification of ECG morphological abnormalities, compared with 12-lead ECGs...
February 10, 2017: International Journal of Cardiology
https://www.readbyqxmd.com/read/28164349/applicability-of-a-novel-formula-bogossian-formula-for-evaluation-of-the-qt-interval-in-heart-failure-and-left-bundle-branch-block-due-to-right-ventricular-pacing
#8
Gerrit Frommeyer, Harilaos Bogossian, Eleni Pechlivanidou, Philipp Conzen, Christopher Gemein, Kay Weipert, Inga Helmig, Ritvan Chasan, Victoria Johnson, Lars Eckardt, Christian W Hamm, Melchior Seyfarth, Bernd Lemke, Markus Zarse, Jörn Schmitt, Damir Erkapic
BACKGROUND: The presence of left bundle branch block (LBBB) due to right ventricular pacing represents a particular challenge in properly measuring the QTc interval. In 2014, a new formula for the evaluation of QT interval in patients with LBBB was reported. METHODS: 145 patients with implantable cardioverter defibrillator were included in this prospective multicenter observational study. Inclusion criteria were: no permanent right ventricular stimulation, an intrinsic QRS interval of <120 ms, and reduced left ventricular function...
February 5, 2017: Pacing and Clinical Electrophysiology: PACE
https://www.readbyqxmd.com/read/28133772/pharmacokinetics-safety-tolerability-and-immunogenicity-of-fkb327-a-new-biosimilar-medicine-of-adalimumab-humira-in-healthy-subjects
#9
Adeep Puri, Andrew Niewiarowski, Yasumasa Arai, Hideaki Nomura, Mark Baird, Isobel Dalrymple, Steve Warrington, Malcolm Boyce
AIMS: to compare the pharmacokinetics, safety, tolerability, and immunogenicity of FKB327, a biosimilar of adalimumab, with European Union (EU)-approved Humira and United States (US)-licensed Humira after single subcutaneous doses in healthy subjects. METHODS: in a randomised, double-blind, parallel-group study, 180 healthy subjects received by subcutaneous injection 40 mg of EU-Humira, or US-Humira, or FKB327, in a 1:1:1 ratio, stratified by bodyweight. Pharmacokinetics, local tolerability, immunogenicity, adverse events, vital signs, ECG, and laboratory safety tests were assessed before and up to 1536 h after treatment...
January 30, 2017: British Journal of Clinical Pharmacology
https://www.readbyqxmd.com/read/28114719/-right-bundle-branch-block-left-bundle-branch-block-pace-maker-in-case-of-acute-coronary-syndrome-is-the-ecg-of-any-value
#10
REVIEW
Steffen Grautoff
The 12 lead ECG is difficult to evaluate if there is a persistent right or even left bundle block or a pace maker continually stimulating the right ventricle. Despite these pre-existing or new ECG changes it might still be possible to detect variations which can hint to an ST-elevation myocardial infarction (STEMI). Diagnosing significant ST elevations in a case of right bundle block is not very challenging. If the ECG shows a left bundle block the modified Sgarbossa criteria should be used for evaluation. These criteria can also be used in a pace maker ECG...
January 2017: Deutsche Medizinische Wochenschrift
https://www.readbyqxmd.com/read/28102875/prevalence-of-abnormal-electrocardiograms-in-swiss-elite-athletes-detected-with-modern-screening-criteria
#11
Tilman Perrin, Lukas Daniel Trachsel, Simon Schneiter, Andrea Menafoglio, Silvia Albrecht, Tony Pirrello, Prisca Eser, Laurent Roten, Boris Gojanovic, Matthias Wilhelm
AIMS OF THE STUDY: Sudden cardiac arrest in athletes is a rare but dramatic event. The value of a routine electrocardiogram (ECG) during preparticipation screening (PPS) remains controversial, partly because of the relatively high number of false positive findings. Our study aimed to evaluate the prevalence of abnormal ECGs in consecutive Swiss elite athletes, overall and with regard to different sports classes, using modern screening criteria. METHODS: We analysed the 12-lead resting ECGs of high-level elite athletes (age ≥14 years) recorded at the Swiss Olympic Medical Centre Magglingen between 2013 and 2016 during routine PPS...
January 19, 2017: Swiss Medical Weekly
https://www.readbyqxmd.com/read/28097316/evaluation-of-structural-progression-in-arrhythmogenic-right-ventricular-dysplasia-cardiomyopathy
#12
Thomas P Mast, Cynthia A James, Hugh Calkins, Arco J Teske, Crystal Tichnell, Brittney Murray, Peter Loh, Stuart D Russell, Birgitta K Velthuis, Daniel P Judge, Dennis Dooijes, Ryan J Tedford, Jeroen F van der Heijden, Harikrishna Tandri, Richard N Hauer, Theodore P Abraham, Pieter A Doevendans, Anneline S J M Te Riele, Maarten J Cramer
Importance: Considerable research has described the arrhythmic course of arrhythmogenic right ventricular dysplasia/cardiomyopathy (ARVD/C). However, objective data characterizing structural progression, such as ventricular enlargement and cardiac dysfunction, in ARVD/C are relatively scarce. Objectives: To define the extent of structural progression, identify determinants of structural progression, and determine the association between structural progression and electrocardiographic (ECG) changes in patients with ARVD/C...
March 1, 2017: JAMA Cardiology
https://www.readbyqxmd.com/read/27894269/prevalence-of-abdominal-aortic-aneurysms-and-its-relation-with-cardiovascular-risk-stratification-protocol-of-the-risk-of-cardiovascular-diseases-and-abdominal-aortic-aneurysm-in-varese-rocav-population-based-study
#13
F Gianfagna, G Veronesi, L Bertù, M Tozzi, A Tarallo, M M Ferrario, P Castelli
BACKGROUND: Recent meta-analyses suggested that screening program for abdominal aortic aneurysms (AAA) in 65-year old males is cost-effective at prevalence of about 1%. Since some events occur also in females and among the youngers, screening could be feasible among those at higher risk, such as smokers or individuals with a family history of AAA. The RoCAV (Risk of Cardiovascular diseases and abdominal aortic Aneurysms in Varese) Project is a population-based study aimed to evaluate AAA prevalence in Northern Italy in males over-65 years as well as among females and younger males, and to identify new markers for risk stratification by collecting a large set of CVD risk factors...
November 29, 2016: BMC Cardiovascular Disorders
https://www.readbyqxmd.com/read/27794017/predictors-of-atrial-fibrillation-in-hypertrophic-cardiomyopathy
#14
Oliver P Guttmann, Menelaos Pavlou, Constantinos O'Mahony, Lorenzo Monserrat, Aristides Anastasakis, Claudio Rapezzi, Elena Biagini, Juan Ramon Gimeno, Giuseppe Limongelli, Pablo Garcia-Pavia, William J McKenna, Rumana Z Omar, Perry M Elliott
OBJECTIVES: Atrial fibrillation (AF) is associated with increased morbidity and mortality in patients with hypertrophic cardiomyopathy (HCM). The primary aim of this study (HCM Risk-AF) was to determine the predictors of AF in a large multicentre cohort of patients with HCM. Exploratory analyses were performed to investigate the association between AF and survival and the efficacy of antiarrhythmic therapy in maintaining sinus rhythm (SR). METHODS: A retrospective, longitudinal cohort of patients recruited between 1986 and 2008 in seven centres was used to develop multivariable Cox regression models fitted with preselected predictors...
October 28, 2016: Heart: Official Journal of the British Cardiac Society
https://www.readbyqxmd.com/read/27662776/validation-of-the-vessel-specific-leads-vsls-for-detection-of-acute-ischemia-on-a-dataset-with-non-ischemic-st-segment-deviation
#15
John J Wang, Olle Pahlm, Galen S Wagner, James W Warren, B Milan Horáček, John L Sapp
BACKGROUND: Existing criteria recommended by ACC/ESC for identifying patients with ST elevation myocardial infarction (STEMI) from the 12-lead ECG perform with high specificity (SP) but low sensitivity (SE). In our previous studies, we found that the SE of acute ischemia detection can be markedly improved without any loss of SP by calculating, from the 12-lead ECG, ST deviation in 3 "optimal" vessel-specific leads (VSLs). To further validate the method, we evaluated the SP performance using a dataset with non-ischemic ST-segment changes...
November 2016: Journal of Electrocardiology
https://www.readbyqxmd.com/read/27642739/-an-unexpected-cause-of-dyspnea-and-degradation-of-performance
#16
Peter Seizer, Michaela Rockenstiehl, Suzanne Fateh-Moghadam, Susanne Haen, Ferruh Artunc, Martin R Müller, Azadeh Ebrahimi, Reimer Riessen, Meinrad Gawaz, Falko Fend, Michael Haap
HISTORY AND ADMISSION FINDINGS: A 55-year old man suffers from progressive, distinctive dyspnoea and physical weakness since 5 days. Due to ST-segment changes in the ECG and a positive troponin-test, the primary care physician initiates an hospitalization. INVESTIGATIONS: After admission, the laboratory tests confirm the elevated troponin-values, and show additionally elevated pro-brain-natriuric-peptide-values. The coronary angiography presents a highly reduced left ventricular function, an aortic insufficiency III° and a coronary heart disease...
September 2016: Deutsche Medizinische Wochenschrift
https://www.readbyqxmd.com/read/27465767/pre-hospital-thrombolysis-in-st-segment-elevation-myocardial-infarction-a-regional-australian-experience
#17
Arshad A Khan, Trent Williams, Lindsay Savage, Paul Stewart, Asma Ashraf, Allan J Davies, Steven Faddy, John Attia, Christopher Oldmeadow, Rohan Bhagwandeen, Peter J Fletcher, Andrew J Boyle
OBJECTIVE: The system of care in the Hunter New England Local Health District for patients with ST-segment elevation myocardial infarction (STEMI) foresees pre-hospital thrombolysis (PHT) administered by paramedics to patients more than 60 minutes from the cardiac catheterisation laboratory (CCL), and primary percutaneous coronary intervention (PCI) at the CCL for others. We assessed the safety and effectiveness of the pre-hospital diagnosis strategy, which allocates patients to PHT or primary PCI according to travel time to the CCL...
August 1, 2016: Medical Journal of Australia
https://www.readbyqxmd.com/read/27461090/validation-of-the-new-vancouver-chest-pain-rule-in-asian-chest-pain-patients-presenting-at-the-emergency-department
#18
Marcus Eng Hock Ong, Ying Hao, Susan Yap, Pin Pin Pek, Terrance Siang Jin Chua, Faith Suan Peng Ng, Swee Han Lim
OBJECTIVES: The new Vancouver Chest Pain (VCP) Rule recommends early discharge for chest pain patients who are at low risk of developing acute coronary syndrome (ACS), and thus can be discharged within 2 hours of arrival at the emergency department (ED). This study aimed to assess the performance of the new VCP Rule for Asian patients presenting with chest pain at the ED. METHODS: This prospective cohort study involved patients attended to at the ED of a large urban centre...
January 2017: CJEM
https://www.readbyqxmd.com/read/27430208/ecg-evaluation-in-patients-with-pacemaker-and-suspected-acute-coronary-syndrome-which-score-should-we-apply
#19
Pedro Freitas, Miguel Borges Santos, Mariana Faria, Gustavo Rodrigues, Nélson Vale, Rui Campante Teles, Manuel Almeida, Miguel Mendes
BACKGROUND/PURPOSE: In patients with right ventricular pacing, the ECG shows a left bundle branch block (LBBB) pattern. There are several criteria to diagnose ST-elevation myocardial infarction (STEMI) in patients with LBBB. The aim of this study was to validate and compare Sgarbossa's with two new scores - Selvester's and Smith's - in this context. METHODS: We identified pacemaker patients submitted to coronary angiography due to acute coronary syndrome. ECGs were analyzed by 2 blinded cardiologists...
September 2016: Journal of Electrocardiology
https://www.readbyqxmd.com/read/27318741/new-st-segment-algorithms-to-determine-culprit-artery-location-in-acute-inferior-myocardial-infarction
#20
Xin Huang, Sachin K Ramdhany, Yong Zhang, Zuyi Yuan, Gary S Mintz, Ning Guo
OBJECTIVES: In acute inferior ST-segment elevation myocardial infarction (STEMI), multiple criteria have been proposed to predict the culprit artery based on the 12-lead electrocardiogram (ECG). We assessed the utilities of 11 traditional and 2 new criteria to devise a new ECG algorithm to localize the culprit artery in acute inferior STEMI. METHODS: We analyzed electrocardiographic and angiographic findings of 194 consecutive patients with acute inferior STEMI to devise a new ECG algorithm, further validated in another cohort of 80 patients with acute inferior STEMI...
September 2016: American Journal of Emergency Medicine
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