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supraventricular arrhythmias

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https://www.readbyqxmd.com/read/28543790/are-heart-rate-monitors-valuable-tools-for-diagnosing-arrhythmias-in-endurance-athletes
#1
Robert Gajda, Elżbieta Katarzyna Biernacka, Wojciech Drygas
Millions of physically active individuals worldwide use heart rate monitors (HRMs) to control their exercise intensity. In many cases, the HRM indicates an unusually high heart rate (HR) or even arrhythmias during training. Unfortunately, studies assessing the reliability of these devices to help control HR disturbances during exercise do not exist. We examined 142 regularly training endurance runners and cyclists, aged 18-51, with unexplained HR abnormalities indicated by various HRMs to assess the utility of HRMs in diagnosing exertion-induced arrhythmias...
May 19, 2017: Scandinavian Journal of Medicine & Science in Sports
https://www.readbyqxmd.com/read/28541499/hypertension-and-cardiac-arrhythmias-executive-summary-of-a-consensus-document-from-the-european-heart-rhythm-association-ehra-and-esc-council-on-hypertension-endorsed-by-the-heart-rhythm-society-hrs-asia-pacific-heart-rhythm-society-aphrs-and-sociedad-latinoamericana
#2
Gregory Y H Lip, Antonio Coca, Thomas Kahan, Giuseppe Boriani, Antonis S Manolis, Michael Hecht Olsen, Ali Oto, Tatjana S Potpara, Jan Steffel, Francisco Marín, Márcio Jansen de Oliveira Figueiredo, Giovanni de Simone, Wendy S Tzou, Chern En Chiang, Bryan Williams
Hypertension (HTN) is a common cardiovascular risk factor leading to heart failure (HF), coronary artery disease (CAD), stroke, peripheral artery disease and chronic renal failure. Hypertensive heart disease can manifest as many types of cardiac arrhythmias, most commonly being atrial fibrillation (AF). Both supraventricular and ventricular arrhythmias may occur in HTN patients, especially in those with left ventricular hypertrophy (LVH), CAD or HF. In addition, high doses of thiazide diuretics commonly used to treat hypertension, may result in electrolyte abnormalities (eg...
May 25, 2017: European Heart Journal. Cardiovascular Pharmacotherapy
https://www.readbyqxmd.com/read/28541122/chance-of-surgery-in-adult-congenital-heart-disease
#3
Carianne L Verheugt, Cuno Spm Uiterwaal, Ilonca Vaartjes, Enno T van der Velde, A C Zomer, Folkert J Meijboom, Petronella G Pieper, Marco C Post, Hubert W Vliegen, Mark G Hazekamp, Diederick E Grobbee, Barbara Jm Mulder
Background Young patients with congenital heart disease reaching adulthood face mandatory transition to adult cardiology. Their new cardiologist needs to assess the chances of major future events such as surgery. Using a large national registry, we assessed if patient characteristics at the age of 18 years could predict the chance of congenital heart surgery in adulthood. Design and methods Of 10,300 patients from the CONCOR national registry, we used general patient characteristics at age 18 years, underlying congenital heart defect, history of complications, and interventions in childhood as potential predictors of congenital heart surgery occurring from age 18 years up to age 40 and 60 years...
January 1, 2017: European Journal of Preventive Cardiology
https://www.readbyqxmd.com/read/28525585/the-effects-of-gender-on-electrical-therapies-for-the-heart-physiology-epidemiology-and-access-to-therapies-a-report-from-the-xii-congress-of-the-italian-association-on-arrhythmology-and-cardiostimulation-aiac
#4
Giuseppe Boriani, Stefano Lorenzetti, Elisabetta Cerbai, Giuseppe Oreto, Gabriele Bronzetti, Vincenzo Livio Malavasi, Alessandro Biffi, Luigi Padeletti, Gianluca Botto, Igor Diemberger
The difference between men and women is clear even just by looking at an electrocardiogram: females present higher resting heart rate, a shorter QRS complex length and greater corrected QT interval. The development of these differences from pubertal age onward suggests that sexual hormones play a key role, although their effect is far from being completely understood. Different incidences between sexes have been reported for many arrhythmias, both ventricular and supraventricular, and also for sudden cardiac death...
May 19, 2017: Europace: European Pacing, Arrhythmias, and Cardiac Electrophysiology
https://www.readbyqxmd.com/read/28523857/arrhythmia-burden-and-related-outcomes-in-eisenmenger-syndrome
#5
Shankar Baskar, Philippa Horne, Samantha Fitzsimmons, Philip R Khoury, Joseph Vettukattill, Koichiro Niwa, Teiji Agaki, Mark Spence, Hisanori Sakazaki, Gruschen Veldtman
BACKGROUND: Patients with Eisenmenger syndrome have a shorter lifespan than the general population. A significant proportion develop arrhythmia and some, sudden death. OBJECTIVE: The aims of this study were to characterize the frequency, type and effects of arrhythmias in adult patients with Eisenmenger's syndrome and to identify risk factors for arrhythmias. METHODS: This retrospective study included patients aged ≥ 18 years of age with Eisenmenger's syndrome from three institutions...
May 19, 2017: Congenital Heart Disease
https://www.readbyqxmd.com/read/28520959/the-effects-of-gender-on-electrical-therapies-for-the-heart-procedural-considerations-results-and-complications-a-report-from-the-xii-congress-of-the-italian-association-on-arrhythmology-and-cardiostimulation-aiac
#6
Igor Diemberger, Raffaella Marazzi, Michela Casella, Francesca Vassanelli, Paola Galimberti, Mario Luzi, Alessio Borrelli, Ezio Soldati, Pier Giorgio Golzio, Stefano Fumagalli, Pietro Francia, Luigi Padeletti, Gianluca Botto, Giuseppe Boriani
Use of cardiac implantable devices and catheter ablation is steadily increasing in Western countries following the positive results of clinical trials. Despite the advances in scientific knowledge, tools development, and techniques improvement we still have some grey area in the field of electrical therapies for the heart. In particular, several reports highlighted differences both in medical behaviour and procedural outcomes between female and male candidates. Women are referred later for catheter ablation of supraventricular arrhythmias, especially atrial fibrillation, leading to suboptimal results...
May 17, 2017: Europace: European Pacing, Arrhythmias, and Cardiac Electrophysiology
https://www.readbyqxmd.com/read/28502326/k-and-mg-2-dyshomeostasis-in-acute-hyperadrenergic-stressor-states
#7
Mannu Nayyar, Jawwad Yusuf, M Usman Khan, Karl T Weber
Acute stressor states are linked to neurohormonal activation that includes the adrenergic nervous system. Elevations in circulating epinephrine and norepinephrine unmask an interdependency that exists between K(+) and Mg(2+) based on their regulation of a large number of Mg(2+)-dependent Na(+)-K(+)-ATPase pumps present in skeletal muscle. The hyperadrenergic state accounts for a sudden translocation of cations into muscle with the rapid appearance of hypokalemia and hypomagnesemia. The resultant hypokalemia and hypomagnesemia will cause a delay in myocardial repolarization and electrocardiographic QTc prolongation raising the propensity for supraventricular and ventricular arrhythmias...
May 2017: American Journal of the Medical Sciences
https://www.readbyqxmd.com/read/28497426/a-systematic-review-of-vasopressor-blood-pressure-targets-in-critically-ill-adults-with-hypotension
#8
Mathieu Hylands, Morten Hylander Moller, Pierre Asfar, Augustin Toma, Anne Julie Frenette, Nicolas Beaudoin, Émilie Belley-Côté, Frédérick D'Aragon, Jon Henrik Laake, Reed Alexander Siemieniuk, Emmanuel Charbonney, François Lauzier, Joey Kwong, Bram Rochwerg, Per Olav Vandvik, Gordon Guyatt, François Lamontagne
PURPOSE: Clinicians must balance the risks from hypotension with the potential adverse effects of vasopressors. Experts have recommended a mean arterial pressure (MAP) target of at least 65 mmHg, and higher in older patients and in patients with chronic hypertension or atherosclerosis. We conducted a systematic review of randomized-controlled trials comparing higher vs lower blood pressure targets for vasopressor therapy administered to hypotensive critically ill patients. METHODS: We searched MEDLINE®, EMBASE™, and the Cochrane Central Register of Controlled Trials for studies of higher vs lower blood pressure targets for vasopressor therapy in critically ill hypotensive adult patients...
May 11, 2017: Canadian Journal of Anaesthesia, Journal Canadien D'anesthésie
https://www.readbyqxmd.com/read/28495433/ventricular-and-supraventricular-ectopy-in-subjects-with-early-repolarization
#9
Teresa Trenkwalder, Ryan King, Bernhard M Kaess, Christian Hengstenberg, Heribert Schunkert, Till Ittermann, Stephan B Felix, Mathias Busch, Marcus Dörr, Wibke Reinhard
Early repolarization (ER) is a common electrocardiographic (ECG) finding that is associated with an increased risk of idiopathic ventricular fibrillation and sudden cardiac death. This study investigated whether the presence of ER is a predictor of ventricular and supraventricular ectopy as a marker for electrical instability. Standard 12-lead electrocardiograms of the first follow-up in the population-based Study of Health in Pomerania (SHIP-1) (n = 3,300, age 20 to 79 years) were analyzed to identify subjects with an ER pattern...
April 12, 2017: American Journal of Cardiology
https://www.readbyqxmd.com/read/28469725/asthma-like-attacks-terminated-by-slow-pathway-ablation
#10
Selcuk Ozturk, Hasan Turhan, Ertan Yetkin
Asthma is a chronic airway disease in which the pathological mechanisms are reversible airway obstruction, bronchial hyper reactivity, and constriction of the lower airways. Supraventricular tachycardia (SVT) is a common arrhythmia which originates above the bundle of His and causing heart rates exceeding 150 beats/min. SVT patients present with palpitation, chest pain, chest discomfort, dyspnea, hyperventilation, and lightheadedness, occasionally. Besides, extraordinary presentations of SVT are available in literature...
April 2017: Annals of Thoracic Medicine
https://www.readbyqxmd.com/read/28467014/the-exception-to-marriot-s-sign
#11
Vivek Reddy, Shanker Kundumadam, Pradeep Kathi, Kunwardeep Dhillon, Hibah Ismail, Gautam Anem
Differentiation of a wide complex arrhythmia can pose as a clinical challenge in the acute care setting. Two broad differentials exist including ventricular tachycardia versus supraventricular tachycardia with aberrancy, underlying bundle branch block or intrinsic conduction defect. To aid in distinguishing between supraventricular tachycardia and ventricular tachycardia, Brugada criteria is commonly used, albeit new algorithms have become more common. Marriott's sign, a taller peak in the first R wave when compared to R' is considered a specific criterion for distinguishing between these two entities and strongly favors the diagnosis of ventricular tachycardia...
May 3, 2017: Annals of Noninvasive Electrocardiology
https://www.readbyqxmd.com/read/28463737/propafenone-for-supraventricular-arrhythmias-in-septic-shock-comparison-to-amiodarone-and-metoprolol
#12
M Balik, I Kolnikova, M Maly, P Waldauf, G Tavazzi, J Kristof
PURPOSE: The occurence of supraventricular arrhythmias associate with an unfavourable prognosis in septic shock. Propafenone could be a feasible antiarrhythmic. MATERIALS AND METHODS: Patients collected over a period of 24months were divided into the three groups based on antiarrhythmic: Group1(amiodarone), Group2(propafenone), Group3(metoprolol). Type of arrhythmia, cardioversion rates, demographic, haemodynamic, laboratory parameters were recorded in the first 24h...
April 26, 2017: Journal of Critical Care
https://www.readbyqxmd.com/read/28460772/profiling-cardiac-arrhythmia-and-heart-failure-patients-in-india-the-pan-arrhythmia-and-heart-failure-observational-study
#13
Amit Vora, Ajay Naik, Yash Lokhandwala, Arun Chopra, Jagmohan Varma, G S Wander, Aparna Jaswal, V Srikanthan, Balbir Singh, Dhiman Kahali, Anoop Gupta, R R Mantri, Anil Mishra, Ulhas Pandurangi, Debashis Ghosh, Jitendra Singh Makkar, Sujaayaa Sahu, Rajesh Radhakrishnan
BACKGROUND: The PANARrhythMia and Heart Failure Registry (PANARM HF) characterized demographic, clinical and interventional therapy indication profiles of cardiac arrhythmia (CA) and heart failure (HF) patients in India. METHODS: Consulting Physicians (CP) who medically manage CA and HF patients enrolled patients with one or more of the following: syncope, pre-syncope, dyspnea, palpitation, fatigue and LV dysfunction. The CPs were trained by interventional cardiologists (IC) to identify CA/HF patients indicated for implantable device/radiofrequency ablation (RFA)...
March 2017: Indian Heart Journal
https://www.readbyqxmd.com/read/28457235/supraventricular-tachycardia-in-adult-congenital-heart-disease-mechanisms-diagnosis-and-clinical-aspects
#14
REVIEW
Christopher M Janson, Maully J Shah
Supraventricular arrhythmias represent a major source of morbidity in adults with congenital heart disease (ACHD). Anatomic variants and post-operative changes contribute to a unique electrophysiologic milieu ripe for the development of supraventricular tachycardia. Intra-atrial reentrant tachycardia is the most prevalent mechanism. Atrioventricular reciprocating tachycardia is common in lesions associated with accessory pathways. Abnormal anatomy complicates the management of atrioventricular nodal reentrant tachycardia...
June 2017: Cardiac Electrophysiology Clinics
https://www.readbyqxmd.com/read/28449090/alcohol-consumption-sinus-tachycardia-and-cardiac-arrhythmias-at-the-munich-octoberfest-results-from-the-munich-beer-related-electrocardiogram-workup-study-munichbrew
#15
Stefan Brunner, Rebecca Herbel, Cathrine Drobesch, Annette Peters, Steffen Massberg, Stefan Kääb, Moritz F Sinner
Aims: Alcohol is a risk factor for cardiac arrhythmias. Retrospective analyses suggest supraventricular arrhythmias consecutive to acute alcohol consumption, but prospective data are limited. We intended to prospectively associate acute alcohol consumption with cardiac arrhythmias. Methods and results: At the 2015 Munich Octoberfest, we enrolled 3028 voluntary participants who received a smartphone-based ECG and breath alcohol concentration (BAC) measurements. ECGs were analysed for cardiac arrhythmias (sinus tachycardia, sinus arrhythmia, premature atrial/ventricular complexes, atrial fibrillation/flutter) and respiratory sinus arrhythmia...
April 25, 2017: European Heart Journal
https://www.readbyqxmd.com/read/28431725/intraoperative-three-dimensional-mapping%C3%A2-of-supraventricular-tachycardia-in-a-young-fontan%C3%A2-patient
#16
James C Perry, Matthew R Williams, Suzanne Shepard, Andras Bratincsak, Cynthia Murphy, Raghav Murthy, Mohammad Ebrahim, John J Lamberti
Preoperative tachycardia is uncommon before an initial Fontan procedure. Catheter intervention can risk complications in small patients. A patient with fetal tachycardia and double inlet left ventricle underwent Norwood and bidirectional Glenn procedures. She had persistent tachycardia. A three-dimensional electroanatomic mapping system was modified for the operative procedure; it was used to identify the arrhythmia substrate and cryoablate an atrioventricular nodal tachycardia. Mapping added 20 minutes to the operation...
May 2017: Annals of Thoracic Surgery
https://www.readbyqxmd.com/read/28431074/european-heart-rhythm-association-ehra-consensus-document-on-the-management-of-supraventricular-arrhythmias-endorsed-by-heart-rhythm-society-hrs-asia-pacific-heart-rhythm-society-aphrs-and-sociedad-latinoamericana-de-estimulaci%C3%A3-n-cardiaca-y-electrofisiologia
#17
https://www.readbyqxmd.com/read/28412149/prevalence-of-arrhythmias-in-patients-with-type-2-diabetes-and-the-role-of-structural-changes-in-myocardium-in-their-development
#18
Petr Sarapultsev, Boris Yushkov, Alexey Sarapultsev
OBJECTIVE: The aim of the study was to evaluate the prevalence of arrhythmias in patients with type 2 diabetes and their relationships with the structural parameters of the heart. METHODS: A retrospective case-control study was conducted using clinical and biochemical profiles of patients with diabetes at the Endocrinology Centre and City Clinical Hospital No. 40, Ekaterinburg, Russia. RESULTS: The total study sample included 75 subjects. The average age (SD) was 48...
April 7, 2017: Diabetes & Metabolic Syndrome
https://www.readbyqxmd.com/read/28395912/dobutamine-stress-echocardiography-impact-of-abnormal-blood-potassium-levels-on-cardiac-arrhythmias
#19
Jared G Bird, Robert B McCully, Patricia A Pellikka, Garvan C Kane
BACKGROUND: Guidelines suggest that an abnormal blood potassium level is a relative contraindication to performing dobutamine stress echocardiography (DSE). However, this has not been previously studied. METHODS: We reviewed a consecutive series of patients who had potassium testing within 48 hours of undergoing DSE for the evaluation of myocardial ischemia over a 10-year period (N = 13,198). Normal potassium range in our laboratory is 3.6-5.2 mmol/L. Hemolyzed samples were not included...
April 7, 2017: Journal of the American Society of Echocardiography
https://www.readbyqxmd.com/read/28388306/premature-ventricular-complex-is-more-prevalent-during-acute-exacerbated-than-stable-states-of-chronic-obstructive-pulmonary-disease-and-is-related-to-cardiac-troponin-t
#20
Gunnar Einvik, Rahul Bhatnagar, Nils Henrik Holmedahl, Anke Neukamm, Torbjørn Omland, Vidar Søyseth
During acute exacerbation of chronic obstructive pulmonary disease (AECOPD), myocardial stress may be aggravated. Sparse data exist concerning the prevalence and correlates of cardiac arrhythmias in the stable and exacerbated states of COPD. We hypothesized that AECOPD is associated with increased prevalence of cardiac arrhythmias independent of COPD-severity and co-morbidity, and explored possible mechanisms. A 24-hour Holter recording was obtained in 74 patients with stable COPD and 45 patients with AECOPD (mean age 54 years, 56% women)...
April 7, 2017: COPD
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