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Exercise electrocardiography

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https://www.readbyqxmd.com/read/29187205/combined-double-chambered-right-ventricle-tricuspid-valve-dysplasia-ventricular-septal-defect-and-subaortic-stenosis-in-a-dog
#1
Iuliu Scurtu, Flaviu Tabaran, Mircea Mircean, Gavril Giurgiu, Andras Nagy, Cornel Catoi, Dan G Ohad
BACKGROUND: Double chambered right ventricle (DCRV) is a congenital heart anomaly where the right ventricle is divided into two chambers. We describe, for the first time, an unusual combination of DCRV combined with some other congenital heart defects. CASE PRESENTATION: A 1.2-year-old Golden Retriever was presented with lethargy, exercise intolerance and ascites. Physical examination revealed an irregularly irregular pulse and a grade V/VI, systolic, right cranial murmur...
November 29, 2017: BMC Veterinary Research
https://www.readbyqxmd.com/read/29184167/effect-of-nebivolol-or-atenolol-vs-placebo-on-cardiovascular-health-in-subjects-with-borderline-blood-pressure-the-evidence-study
#2
Daniel A Duprez, Natalia Florea, Sue Duval, Catherine Koukol, Jay N Cohn
Pharmacotherapy to protect the arteries may be appropriate for individuals with high-normal blood pressure who are at risk for future cardiovascular disease (CVD). Nebivolol (NEB) in contrast to atenolol (ATE) may have a beneficial effect on endothelial function and may be more effective than ATE in preventing CVD. Sixty subjects with preHTN or borderline BP and abnormal small artery elasticity (SAE) underwent evaluation with 10 tests, including large and small artery elasticity, resting and treadmill exercise BP, carotid intimal-media thickness, retinal vascular photography, micro-albuminuria, electrocardiography, echocardiography, and plasma B-type natriuretic peptide level...
November 28, 2017: Journal of Human Hypertension
https://www.readbyqxmd.com/read/29183415/the-pre-participation-screening-in-young-athletes-which-protocol-do-we-need-exactly
#3
İbrahim I Çetin, Filiz Ekici, Ayşe E Kibar, Murat Sürücü, Ali Orgun
The aim was to assess the utility and feasibility of a comprehensive cardiac screening protocol in young athletes before participation in sports. A total of 380 athletes referring before participation in sports, between April, 2014 and April, 2015, were included in this study. The mean age was 12.4 years. A screening protocol has been applied to all, including personal and family history, physical examination, 12-lead electrocardiography, transthoracic echocardiography, 24-hour rhythm Holter analysis, and treadmill exercise test...
November 29, 2017: Cardiology in the Young
https://www.readbyqxmd.com/read/29161419/incidence-of-postoperative-atrial-fibrillation-recurrence-in-patients-discharged-in-sinus-rhythm-after-cardiac-surgery-a-systematic-review-and-meta-analysis
#4
Nicole Lowres, Georgina Mulcahy, Kai Jin, Robyn Gallagher, Lis Neubeck, Ben Freedman
Postoperative atrial fibrillation (POAF) is associated with increased stroke risk and mortality post-discharge. POAF is often considered transient; however, recurrence is likely under-recognized as symptoms are an unreliable guide. Surveillance post-discharge may identify asymptomatic POAF recurrences in patients discharged in sinus rhythm. Therefore, we performed a systematic review and meta-analysis of studies investigating POAF recurrence post-discharge, in patients with new-onset POAF following cardiac surgery who reverted to sinus rhythm prior to discharge...
November 17, 2017: Interactive Cardiovascular and Thoracic Surgery
https://www.readbyqxmd.com/read/29135658/muscle-strength-influences-pressor-responses-to-static-handgrip-in-men-and-women
#5
Karambir Notay, Jordan B Lee, Anthony V Incognito, Jeremy D Seed, Adam A Arthurs, Philip J Millar
PURPOSE: Whether differences in absolute muscle strength impact blood pressure (BP) responses to relative intensity static exercise remains controversial but could contribute to known sex-based differences and influence the interpretation of cross-sectional data. METHODS: One hundred thirty-two healthy participants (66 men and 66 women, age: 22±3yrs) underwent continuous seated measurements of BP (Finometer) and heart rate (electrocardiography) during baseline rest and two minutes of static handgrip (30% maximal voluntary contraction [MVC])...
November 10, 2017: Medicine and Science in Sports and Exercise
https://www.readbyqxmd.com/read/29072176/premature-coronary-artery-disease-due-to-homozygous-familial-hypercholesterolemia-in-a-12-year-old-girl
#6
Filiz Ekici, Salih Özçobanoğlu, Fırat Kardelen
BACKGROUND: Homozygous familial hypercholesterolemia (HoFH) is a rare inherited metabolic disease, caused by low-density lipoprotein receptor abnormality. Patients with HoFH have an increased risk for cardiovascular complication (CVC) that usually occurs in the first decade of life. We report a twelve years-old girl with unpredicted presentation for coronary artery disease (CAD) and she was found to have HoFH. CASE REPORT: A 12 years old girl was admitted to our unit with syncope...
October 26, 2017: Balkan Medical Journal
https://www.readbyqxmd.com/read/29069369/high-resolution-three-dimensional-late-gadolinium-enhanced-cardiac-magnetic-resonance-imaging-to-identify-the-underlying-substrate-of-ventricular-arrhythmia
#7
Alexia Hennig, Marjorie Salel, Frederic Sacher, Claudia Camaioni, Soumaya Sridi, Arnaud Denis, Michel Montaudon, François Laurent, Pierre Jais, Hubert Cochet
Aims: Cardiac magnetic resonance (CMR) is recommended as a second-line method to diagnose ventricular arrhythmia (VA) substrate. We assessed the diagnostic yield of CMR including high-resolution late gadolinium-enhanced (LGE) imaging. Methods and results: Consecutive patients with sustained ventricular tachycardia (VT), non-sustained VT (NSVT), or ventricular fibrillation/aborted sudden death (VF/SCD) underwent a non-CMR diagnostic workup according to current guidelines, and CMR including LGE imaging with both a conventional breath-held and a free-breathing method enabling higher spatial resolution (HR-LGE)...
October 23, 2017: Europace: European Pacing, Arrhythmias, and Cardiac Electrophysiology
https://www.readbyqxmd.com/read/29059981/towards-precise-tracking-of-electric-mechanical-cardiac-time-intervals-through-joint-ecg-and-bcg-sensing-and-signal-processing
#8
Haihong Zhang, Zimin Wang, Kejun Dong, Soon Huat Ng, Zhiping Lin
Automatic tracking of intra-beat cardiac activities in ballistocardiogram (BCG) is a highly interesting yet technically challenging topic for cardiac monitoring, due to the signal's high susceptibility to various forms of distortions. In this paper, we aim to further investigate the BCG waveform detection from a signal processing and analysis viewpoint. We collect synchronized electrocardiography(ECG) and BCG recordings from four healthy human subjects using an in-house built multi-physiological monitoring device...
July 2017: Conference Proceedings: Annual International Conference of the IEEE Engineering in Medicine and Biology Society
https://www.readbyqxmd.com/read/29045952/-progress-in-diagnosis-and-management-of-syncope-in-children
#9
W R Xu, Y Liao, H F Jin, Q Y Zhang, C S Tang, J B DU
Syncope is a common emergency of children and adolescents, which has serious influence on the quality of life. Neurally-mediated syncope, including postural tachycardia syndrome, vasovagal syncope, orthostatic hypotension and orthostatic hypertension, is the main cause of syncope in children and adolescents. The main manifestations of neurally-mediated syncope are diverse, such as dizziness, headache, chest tightness, chest pain, pale complexion, fatigue, pre-syncope and syncope. Although the clinical manifestations are similar, each subtype of syncope has its hemodynamic feature and optimal treatment option...
October 18, 2017: Beijing da Xue Xue Bao. Yi Xue Ban, Journal of Peking University. Health Sciences
https://www.readbyqxmd.com/read/28940877/fragmented-qrs-complex-as-a-predictor-of-exercise-related-sudden-cardiac-death
#10
Tomi Toukola, M Juhani Junttila, Lauri T A Holmström, M Anette Haukilahti, Jani T Tikkanen, Henri Terho, Tuomas V Kenttä, Aapo L Aro, Olli Anttonen, Tuomas Kerola, Lasse Pakanen, Marja-Leena Kortelainen, Antti Kiviniemi, Heikki V Huikuri
INTRODUCTION: Little is known about the association between electrocardiographic abnormalities and exercise-related sudden cardiac death. Therefore, our aim was to identify possible electrocardiographic findings related to exercise-induced sudden cardiac death. METHODS AND RESULTS: The FinGesture study includes 3,989 consecutive sudden cardiac deaths in northern Finland between 1998 and 2012, out of whom a total of 647 subjects had a previously recorded electrocardiography acquired from the archives of Oulu University Hospital...
September 20, 2017: Journal of Cardiovascular Electrophysiology
https://www.readbyqxmd.com/read/28928046/new-directions-for-ambulatory-monitoring-following-2017-hrs-ishne-expert-consensus
#11
Emanuela T Locati
The main role of ambulatory electrocardiography (AECG) in clinical practice is to detect and characterize the behavior of cardiac electrical activity during ordinary daily life activities. Because certain rhythm abnormalities may be infrequent and paroxysmal, and may occur only during sleep or in association with mental, emotional, or exercise-induced perturbation in cardiac function, AECG needs to be recorded over a long period of time, originally lasting 24h and now expanding up to several weeks and even to months...
August 12, 2017: Journal of Electrocardiology
https://www.readbyqxmd.com/read/28814168/deterioration-of-heart-rate-recovery-index-in-patients-after-carotid-artery-stenting
#12
Emrah Aytac, Murat Gonen, Orhan Dogdu, Mehmet Balin
Objective Although carotid artery stenting (CAS) is an effective treatment for severe carotid stenosis, it has been associated with alterations in autonomic functions long term after the procedure. Patients with CAS have been reported to have autonomic nervous system (ANS) dysfunction. This study aimed to evaluate heart rate recovery (HRR) indices and exercise test parameters after CAS. Methods Patients (10 male, 11 female) suitable for CAS, without a history of hypertension, diabetes mellitus, severe coronary artery or valvular heart disease, were enrolled in our study...
December 2017: Interventional Neuroradiology
https://www.readbyqxmd.com/read/28801055/therapy-with-mesenchymal-stromal-cells-or-conditioned-medium-reverse-cardiac-alterations-in-a-high-fat-diet-induced-obesity-model
#13
P S Daltro, B C Barreto, P G Silva, P Chenaud Neto, P H F Sousa Filho, D Santana Neta, G B Carvalho, D N Silva, B D Paredes, A C de Alcantara, L A R Freitas, R D Couto, R R Santos, B S F Souza, M B P Soares, S G Macambira
BACKGROUND: Obesity is associated with numerous cardiac complications, including arrhythmias, cardiac fibrosis, remodeling and heart failure. Here we evaluated the therapeutic potential of mesenchymal stromal cells (MSCs) and their conditioned medium (CM) to treat cardiac complications in a mouse model of high-fat diet (HFD)-induced obesity. METHODS: After obesity induction and HFD withdrawal, obese mice were treated with MSCs, CM or vehicle. Cardiac function was assessed using electrocardiography, echocardiography and treadmill test...
August 8, 2017: Cytotherapy
https://www.readbyqxmd.com/read/28800177/exercise-stress-test-reveals-ineligibility-for-subcutaneous-implantable-cardioverter-defibrillator-in-patients-with-brugada-syndrome
#14
Motomi Tachibana, Nobuhiro Nishii, Hiroshi Morita, Koji Nakagawa, Atsuyuki Watanabe, Kazufumi Nakamura, Hiroshi Ito
BACKGROUND: The eligibility of patients with Brugada syndrome (BrS) for implantation of a subcutaneous implantable cardioverter defibrillator (S-ICD) is not well known. This study aimed to clarify the eligibility of BrS patients for S-ICD using electrocardiography (ECG) at rest and during exercise testing. We also analyzed factors associated with ineligibility for S-ICD from standard 12-lead ECG at rest. METHODS: We enrolled 110 consecutive BrS patients who visited Okayama university hospital from December 2015 to December 2016...
August 11, 2017: Journal of Cardiovascular Electrophysiology
https://www.readbyqxmd.com/read/28799815/acute-cardiovascular-responses-to-multiple-sets-of-high-velocity-resistance-exercise-in-healthy-adults
#15
Toshiaki Miyamoto, Hiroyuki Kamada, Toshio Moritani
The aim of this study is examining the effects of multiple sets of high-velocity resistance exercise (HVRE) on cardiovascular responses. Fifteen healthy adult men participated in two experimental sessions: one comprised three sets of resistance exercise performed against high-intensity resistance exercise (HIRE) at low velocity and the other three sets of HVRE performed against reduced load at high velocity. Blood pressure (BP), heart rate (HR), stroke volume (SV) and cardiac output (CO) during both sessions were evaluated using impedance electrocardiography...
August 11, 2017: Research in Sports Medicine
https://www.readbyqxmd.com/read/28708775/continuous-cardiac-autonomic-and-hemodynamic-responses-to-isometric-exercise
#16
Katrina A Taylor, Jonathan D Wiles, Damian D Coleman, Rajan Sharma, Jamie M Oʼdriscoll
PURPOSE: Elevated arterial blood pressure (BP) is associated with autonomic dysfunction and impaired hemodynamic control mechanisms. Isometric exercise (IE) training has been demonstrated effective at reducing BP; however, the continuous cardiovascular responses during IE are underinvestigated. We hypothesized that reflex autonomic cardiovascular control is an important mediator in reducing BP. To test our hypothesis, we investigated continuous cardiac autonomic modulation and baroreceptor reflex sensitivity (BRS) in response to IE...
August 2017: Medicine and Science in Sports and Exercise
https://www.readbyqxmd.com/read/28643129/magnetohydrodynamic-voltage-recorder-for-comparing-peripheral-blood-flow
#17
Kevin J Wu, T Stan Gregory, Michael C Lastinger, Jonathan R Murrow, Zion Tsz Ho Tse
Blood flow is a clinical metric for monitoring of cardiovascular diseases but current measurements methods are costly or uncomfortable for patients. It was shown that the interaction of the magnetic field (B 0) during MRI and blood flow in the body, through the magnetohydrodynamic (MHD) effect, produce voltages (V MHD) observable through intra-MRI electrocardiography (ECG), which are correlated with regional blood flow. This study shows the reproducibility of V MHD outside the MRI and its application in a portable flow monitoring device...
October 2017: Annals of Biomedical Engineering
https://www.readbyqxmd.com/read/28549119/systematic-review-of-cost-effectiveness-of-myocardial-perfusion-scintigraphy-in-patients-with-ischaemic-heart-disease-a-report-from-the-cardiovascular-committee-of-the-european-association-of-nuclear-medicine-endorsed-by-the-european-association-of-cardiovascular
#18
Elin Trägårdh, Siok Swan Tan, Jan Bucerius, Alessia Gimelli, Oliver Gaemperli, Oliver Lindner, Denis Agostini, Christopher Übleis, Roberto Sciagrà, Riemer H Slart, S Richard Underwood, Fabien Hyafil, Marcus Hacker, Hein J Verberne
Coronary artery disease (CAD) is a major cause of death and disability. Several diagnostic tests, such as myocardial perfusion scintigraphy (MPS), are accurate for the detection of CAD, as well as having prognostic value for the prediction of cardiovascular events. Nevertheless, the diagnostic and prognostic value of these tests should be cost-effective and should lead to improved clinical outcome. We have reviewed the literature on the cost-effectiveness of MPS in different circumstances: (i) the diagnosis and management of CAD; (ii) comparison with exercise electrocardiography (ECG) and other imaging tests; (iii) as gatekeeper to invasive coronary angiography (ICA), (iv) the impact of appropriate use criteria; (v) acute chest pain, and (vi) screening of asymptomatic patients with type-2 diabetes...
May 1, 2017: European Heart Journal Cardiovascular Imaging
https://www.readbyqxmd.com/read/28531140/a-cuffless-blood-pressure-measurement-based-on-the-impedance-plethysmography-technique
#19
Shing-Hong Liu, Da-Chuan Cheng, Chun-Hung Su
In the last decade, cuffless blood pressure measurement technology has been widely studied because it could be applied to a wearable apparatus. Electrocardiography (ECG), photo-plethysmography (PPG), and phonocardiography are always used to detect the pulse transit time (PTT) because the changed tendencies of the PTT and blood pressure have a negative relationship. In this study, the PPG signal was replaced by the impedance plethysmography (IPG) signal and was used to detect the PTT. The placement and direction of the electrode array for the IPG measurement were discussed...
May 21, 2017: Sensors
https://www.readbyqxmd.com/read/28425226/a-review-of-pediatric-pulmonary-hypertension-with-new-guidelines
#20
Serdar Kula, Ayhan Pektaş
This study aims to review pediatric pulmonary hypertension (PH) by comparing the guidelines of the European Society of Cardiology (ESC)/European Respiratory Society (ERS), the American Heart Association (AHA)/American Thoracic Society (ATS), and the European Pediatric Pulmonary Vascular Disease Network (EPPVDN). All three sets of guidelines define PH as having a mean pulmonary artery pressure of ≥25 mmHg and accept the validity of the World Health Organization (WHO) classification system. Every child with a high index of suspicion for PH should undergo an initial work-up of chest X-rays, electrocardiography, and echocardiography...
April 18, 2017: Turkish Journal of Medical Sciences
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