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https://www.readbyqxmd.com/read/27847560/left-ventricular-false-tendons-and-electrocardiogram-repolarization-abnormalities-in-healthy-young-subjects
#1
Zlatan Lazarevic, Emanuela Ciminelli, Federico Quaranta, Fabio Sperandii, Emanuele Guerra, Fabio Pigozzi, Paolo Borrione
AIM: To describe echocardiographically left ventricular false tendon characteristics and the correlation with ventricular repolarization abnormalities in young athletes. METHODS: Three hundred and sixteen healthy young athletes from different sport disciplines were evaluated from 2009 to 2011 during routine screening for agonistic sports eligibility. All subjects, as part of standard pre-participation screening medical evaluation, underwent a basal and post step test 12-lead electrocardiogram (ECG)...
October 26, 2016: World Journal of Cardiology
https://www.readbyqxmd.com/read/27625762/prevalence-of-cardiovascular-disorders-among-iranian-elite-athletes
#2
Shahin Salehi, Farhad Moradi Shahpar, Gholamreza Norouzi, Farshad Ghazalian, Mehrshad Poursaid Esfehani, Amir Hosein Abedi Yekta
BACKGROUND: Athletes' health is an important issue and for promoting it, pre-participation examination (PPE) is widely performed by responsible bodies around the world. OBJECTIVES: This study was to determine prevalence of cardiovascular disorders among athletes participating in the Asian games and answering the question whether the electrocardiogram (ECG) is a necessary part of pre-participation examination (PPE) for prevention of sudden cardiac death. MATERIALS AND METHODS: All athletes participated at Asian games came to sports medicine federation for a PPE including a comprehensive questionnaire, physical examination and ECG...
June 2016: Asian Journal of Sports Medicine
https://www.readbyqxmd.com/read/27617087/arrhythmogenic-cardiomyopathy-electrical-and-structural-phenotypes
#3
Deniz Akdis, Corinna Brunckhorst, Firat Duru, Ardan M Saguner
This overview gives an update on the molecular mechanisms, clinical manifestations, diagnosis and therapy of arrhythmogenic cardiomyopathy (ACM). ACM is mostly hereditary and associated with mutations in genes encoding proteins of the intercalated disc. Three subtypes have been proposed: the classical right-dominant subtype generally referred to as ARVC/D, biventricular forms with early biventricular involvement and left-dominant subtypes with predominant LV involvement. Typical symptoms include palpitations, arrhythmic (pre)syncope and sudden cardiac arrest due to ventricular arrhythmias, which typically occur in athletes...
August 2016: Arrhythmia & Electrophysiology Review
https://www.readbyqxmd.com/read/27516375/electrocardiograms-of-children-and-adolescents-practicing-non-competitive-sports-normal-limits-and-abnormal-findings-in-a-large-european-cohort-evaluated-by-telecardiology
#4
Giuseppe Molinari, Natale Daniele Brunetti, Luigi Biasco, Sandro Squarcia, Yvonne Cristoforetti, Riccardo Bennicelli, Cecilia Del Vecchio, Cecilia Viacava, Carla Giustetto, Fiorenzo Gaita
OBJECTIVE: The objective of this study was to derive normal electrocardiographic values and to report the abnormal findings in a large contemporary European cohort of physically active children and young adolescents. METHODS: In a 3-month period, data derived from subjects aged between 3 and 14 years and referred to the Telecardiology Centre (Genoa, Italy) for electrocardiogram (ECG) evaluation as pre-participation screening for non-competitive sports were analyzed...
August 11, 2016: Sports Medicine
https://www.readbyqxmd.com/read/27346569/electrocardiography-screening-for-hypertrophic-cardiomyopathy
#5
Matthew J Campbell, Xuefu Zhou, Chia Han, Hedayat Abrishami, Gregory Webster, Christina Y Miyake, Timothy K Knilans, Richard J Czosek
BACKGROUND: Hypertrophic cardiomyopathy (HCM) is the leading cause of sudden cardiac death in athletes. However, preparticipation electrocardiogram (ECG) screening has been criticized for failing to meet cost-effectiveness thresholds, in part because of high false-positive rates. We sought to evaluate whether a highly automated software algorithm could be used for a high throughput, population-based screening program and address several of the limitations seen with population-based screening METHODS: A proprietary computed algorithm was created based on both voltage- as well as Seattle-based ECG criteria...
September 2016: Pacing and Clinical Electrophysiology: PACE
https://www.readbyqxmd.com/read/27339181/lifelong-strength-training-mitigates-the-age-related-decline-in-efferent-drive
#6
Runar Unhjem, Mona Nygård, Lene T van den Hoven, Simranjit K Sidhu, Jan Hoff, Eivind Wang
Recently, we documented age-related attenuation of efferent drive to contracting skeletal muscle. It remains elusive if this indication of reduced muscle strength is present with lifelong strength training. For this purpose, we examined evoked potentials in the calf muscles of 11 [71 ± 4 (SD) yr] strength-trained master athletes (MA) contrasted with 10 (71 ± 4 yr) sedentary (SO) and 11 (73 ± 6 yr) recreationally active (AO) old subjects, as well as 9 (22 ± 2 yr) young controls. As expected, MA had higher leg press maximal strength (MA, 185 ± 32 kg; AO, 128 ± 15 kg; SO, 106 ± 11 kg; young, 147 ± 22 kg, P < 0...
August 1, 2016: Journal of Applied Physiology
https://www.readbyqxmd.com/read/27276869/electrocardiography-in-pre-participation-screening-and-current-guidelines-for-participation-in-competitive-sports
#7
Ljubica Georgijević, Lana Andrić
Electrocardiography (ECG) is especially significant in pre-participation screening due to its ability to discover or to rise a suspicion for certain cardiovascular diseases and conditions that represent a serious health risk in athletes. Common, conditionally benign and training related ECG changes are sinus bradycardia and sinus arrhythmia, first degree atrioventricular block, incomplete right bundle branch block, benign early repolarization, and isolated QRS voltage criteria for left ventricular enlargement...
January 2016: Srpski Arhiv za Celokupno Lekarstvo
https://www.readbyqxmd.com/read/27239638/chronic-anabolic-androgenic-steroid-usage-associated-with-acute-coronary-syndrome-in-bodybuilder
#8
Ertan Sonmez, Kenan Ahmet Turkdogan, Cahit Yilmaz, Sitki Kucukbuzcu, Abuzer Ozkan, Ozgur Sogutt
INTRODUCTION: It has been argued in current studies that anabolic androgenic steroids (AAS) are misused by a great number of bodybuilders and athletes. However, there is diverse and often conflicting scientific data on the cardiac and metabolic complications caused by the misuse of AAS. There may be various reasons for myocardial infarction (MI) with normal coronary arteries. However, for the majority of patients, the exact cause is still unknown. CASE REPORT: A 32 year-old male who was complaining about severe chest pain was admitted to our emergency department...
March 2016: Turkish Journal of Emergency Medicine
https://www.readbyqxmd.com/read/27116644/optimizing-qt-interval-measurement-for-the-preparticipation-screening-of-young-athletes
#9
David Pickham, David Hsu, Muhammad Soofi, Jana M Goldberg, Divakar Saini, David Hadley, Marco Perez, Victor F Froelicher
PURPOSE: Sudden cardiac death is the leading cause of death in athletes. Long QT syndrome (LQTS) is one of the most common cardiogenetic diseases that can lead to sudden cardiac death and is identified by QT interval prolongation on an ECG. Recommendations for QT monitoring in athletes are adopted from nonathlete populations. To improve screening, ECG data of athletes are assessed to determine a more appropriate method for QT interval estimation. METHODS: ECG (CardeaScreen) data were collected from June 2010 to March 2015...
September 2016: Medicine and Science in Sports and Exercise
https://www.readbyqxmd.com/read/27027796/exploratory-insights-from-the-right-sided-electrocardiogram-following-prolonged-endurance-exercise
#10
Rachel Lord, Keith George, John Somauroo, Nikhil Jain, Kristin Reese, Martin D Hoffman, Francois Haddad, Euan Ashley, Helen Jones, David Oxborough
BACKGROUND: Prolonged strenuous exercise has a profound effect on cardiac function. The right heart may be more susceptible to this imposition; yet, right-sided chest leads have not been utilised in this setting. METHODS: Thirty highly trained athletes at the 2014 Western States 100-mile Endurance Run from Squaw Valley to Auburn, California (body mass 68 ± 12 kg, age 45 ± 10 years, 57 ± 15 miles per week) were recruited for the study. Pre- and post-race, a right-sided 12-lead ECG was obtained and data were extracted for P, R and S waves, J point, ST segment and T wave amplitude...
November 2016: European Journal of Sport Science
https://www.readbyqxmd.com/read/27016258/differentiating-hypertrophic-cardiomyopathy-from-athlete-s-heart-an-electrocardiographic-and-echocardiographic-approach
#11
Gonzalo Grazioli, Domingo Usín, Emilce Trucco, Maria Sanz, Silvia Montserrat, Bàrbara Vidal, Josep Gutierrez, Ramon Canal, Josep Brugada, Lluis Mont, Marta Sitges
Differential diagnosis of hypertrophic cardiomyopathy (HCM) vs athlete's heart is challenging in individuals with mild-moderate left-ventricular hypertrophy. This study aimed to assess ECG and echocardiographic parameters proposed for the differential diagnosis of HCM. The study included 75 men in three groups: control (n=30), "gray zone" athletes with interventricular septum (IVS) measuring 13-15mm (n=25) and HCM patients with IVS of 13-18mm (n=20). The most significant differences were found in relative septal thickness (RST), calculated as the ratio of 2 x IVS to left ventricle end-diastolic diameter (LV-EDD) (0...
July 2016: Journal of Electrocardiology
https://www.readbyqxmd.com/read/26859997/-endurance-and-fatigue-caused-by-local-muscular-performance-in-skilled-athletes
#12
T V Popova, Y I Koryukalov, O G Kourova
It was the objective of this research to study the functional parameters of endurance and performance and the brain electrobiological activity during local antebrachial muscle work performance among skilled athletes and unfit people aged 18-23. We examined performance and the brain bioelectrical activity changes at local muscle work by means of an ergograph until fatigue. Our results suggested that local performance increased the spectral power of slow alpha- and theta waves as the fatigue set in, but these changes developed slower and were manifested later in the athletes than in the unfit people...
November 2015: Fiziologiia Cheloveka
https://www.readbyqxmd.com/read/26837857/-a-disturbing-electrocardiogram-inverted-t-waves-in-the-left-precordial-leads-of-an-african-american-athlete
#13
E Pariente-Rodrigo, R Aguado-Antón, B Gutiérrez-Escalada, L Berlanga-Navarro, G A Sgaramella
No abstract text is available yet for this article.
September 2016: Semergen
https://www.readbyqxmd.com/read/26663958/the-prevalence-of-abnormal-ecg-in-trained-sportsmen
#14
V K Malhotra, Navreet Singh, R S Bishnoi, D S Chadha, P Bhardwaj, H Madan, R Dutta, A K Ghosh, S Sengupta, P Perumal
BACKGROUND: Competitive sports training causes structural and conductive system changes manifesting by various electrocardiographic alterations. We undertook this study to assess the prevalence of abnormal ECG in trained Indian athletes and correlate it with the nature of sports training, that is endurance or strength training. METHODS: We evaluated a standard resting, lying 12 lead Electrocardiogram (ECG) in 66 actively training Indian athletes. Standard diagnostic criteria were used to define various morphological ECG abnormalities...
October 2015: Medical Journal, Armed Forces India
https://www.readbyqxmd.com/read/26586782/t-wave-subtleties-in-screened-athletes-sharpening-the-lead-or-whittling-the-pencil-away
#15
EDITORIAL
André La Gerche, Hugh Calkins
No abstract text is available yet for this article.
August 21, 2016: European Heart Journal
https://www.readbyqxmd.com/read/26257460/electrocardiographic-predictors-of-cardiovascular-mortality
#16
REVIEW
Ioana Mozos, Alexandru Caraba
Cardiovascular diseases are the main causes of mortality. Sudden cardiac death may also appear in athletes, due to underlying congenital or inherited cardiac abnormalities. The electrocardiogram is used in clinical practice and clinical trials, as a valid, reliable, accessible, inexpensive method. The aim of the present paper was to review electrocardiographic (ECG) signs associated with cardiovascular mortality and the mechanisms underlying those associations, providing a brief description of the main studies in this area, and consider their implication for clinical practice in the general population and athletes...
2015: Disease Markers
https://www.readbyqxmd.com/read/26246349/cardiomyopathies-and-the-armed-forces
#17
REVIEW
D A Holdsworth, A T Cox, C Boos, R Hardman, S Sharma
Cardiomyopathies are a group of heterogeneous myocardial diseases that are frequently inherited and are a recognised cause of premature sudden cardiac death in young individuals. Incomplete expressions of disease and the overlap with the physiological cardiac manifestations of regular intensive exercise create diagnostic challenges in young athletes and military recruits. Early identification is important because sudden death in the absence of prodromal symptoms is a common presentation, and there are several therapeutic strategies to minimise this risk...
September 2015: Journal of the Royal Army Medical Corps
https://www.readbyqxmd.com/read/26224114/subepicardial-delayed-gadolinium-enhancement-in-asymptomatic-athletes-let-sleeping-dogs-lie
#18
Frédéric Schnell, Guido Claessen, André La Gerche, Jan Bogaert, Pierre-Axel Lentz, Piet Claus, Philippe Mabo, François Carré, Hein Heidbuchel
BACKGROUND: Subepicardial delayed gadolinium enhancement (DGE) patches without underlying cardiomyopathy is poorly understood. It is often reported as the result of prior silent myocarditis. Its prognostic relevance in asymptomatic athletes is unknown; therefore, medical clearance for competitive sports participation is debated. This case series aims to relate this pattern of DGE in athletes to outcome. METHODS: We report on seven young asymptomatic athletes with isolated subepicardial DGE detected during workup of abnormalities on their regular screening examination, that is, pathological T-wave inversions on ECG (n=4) or ventricular arrhythmias on exercise test (n=3)...
January 2016: British Journal of Sports Medicine
https://www.readbyqxmd.com/read/26198026/clinical-profile-of-athletes-with-hypertrophic-cardiomyopathy
#19
MULTICENTER STUDY
Nabeel Sheikh, Michael Papadakis, Frédéric Schnell, Vasileios Panoulas, Aneil Malhotra, Mathew Wilson, François Carré, Sanjay Sharma
BACKGROUND: The phenotype of individuals with hypertrophic cardiomyopathy (HCM) who exercise regularly is unknown. This study characterized the clinical profile of young athletes with HCM. METHODS AND RESULTS: The electrical, structural, and functional cardiac parameters from 106 young (14-35 years) athletes with HCM were compared with 101 sedentary HCM patients. A subset of athletes with HCM exhibiting morphologically mild (13-16 mm), concentric disease was compared with 55 healthy athletes with mild physiological left ventricular hypertrophy (LVH)...
July 2015: Circulation. Cardiovascular Imaging
https://www.readbyqxmd.com/read/26179028/normal-variant-t-wave-changes-in-an-athlete-with-structurally-normal-cardiac-anatomy-and-function
#20
Adam M Noyes, Peter Schulman
Athletes who perform regular and intensive physical activity may undergo structural and electrical remodeling of the heart that results in electrocardiographic changes that can cause concern. Marked T-wave inversion may represent one such physiologic change. On the other hand, T-wave inversion could be a sign of inherited heart muscle disease or may be a normal variant. Therefore, it is imperative to determine whether abnormalities on an athlete's electrocardiography (ECG) reflect underlying cardiac disease that could place the athlete at risk for sudden cardiac death...
January 2016: Annals of Noninvasive Electrocardiology
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