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https://www.readbyqxmd.com/read/28431610/duration-of-paroxysmal-atrial-fibrillation-in-cryptogenic-stroke-is-not-associated-with-stroke-severity-and-early-outcomes
#1
Chrissoula Liantinioti, Konstantinos Tympas, Aristeidis H Katsanos, John Parissis, Maria Chondrogianni, Christina Zompola, Georgios Papadimitropoulos, Michael Ioakeimidis, Sokratis Triantafyllou, Andromaxi Roussopoulou, Konstantinos Voumvourakis, John Lekakis, Gerasimos Filippatos, Leonidas Stefanis, Georgios Tsivgoulis
The current definition of paroxysmal atrial fibrillation (PAF) requires an arbitrary cut-off of >30s, but in clinical practice cryptogenic stroke (CS) patients with PAF duration of ≤30s are not usually excluded from anticoagulation therapy. We sought to evaluate the clinical relevance of short-duration (≤30s) PAF in CS. Consecutive CS patients with no prior AF history and sinus-rhythm on baseline electrocardiography (ECG) were prospectively evaluated over a three-year period. Baseline stroke severity was assessed by NIHSS-scores...
May 15, 2017: Journal of the Neurological Sciences
https://www.readbyqxmd.com/read/28429696/polymorphic-ventricular-tachycardia-due-to-variant-angina-diagnosed-on-holter-monitoring-and-confirmed-with-cold-pressor-test
#2
Semi Öztürk, Tuğba Aktemur, Muhsin Kalyoncuoğlu, Gündüz Durmuş, Mehmet Can
A 52-year-old man complaining of persistent recurring chest pain at night underwent coronary angiogram at another institution. Normal coronaries were observed and he was discharged with muscle spasmolytic prescription. Since symptoms had continued, 24-hour Holter monitoring was ordered at our facility and results revealed huge ST elevation and polymorphic ventricular tachycardia. Cold pressor test performed in catheterization laboratory also resulted in ventricular tachycardia. Nifedipine was prescribed and follow-up Holter monitoring revealed no further vasospastic episodes...
April 2017: Türk Kardiyoloji Derneği Arşivi: Türk Kardiyoloji Derneğinin Yayın Organıdır
https://www.readbyqxmd.com/read/28429690/-our-experience-in-the-diagnosis-and-treatment-of-postural-orthostatic-tachycardia-syndrome-vasovagal-syncope-and-inappropriate-sinus-tachycardia-in-children
#3
Sezen Ugan Atik, Reyhan Dedeoğlu, Aida Koka, Funda Öztunç
OBJECTIVES: The aim of this study was to share our experience in the diagnosis and treatment of patients who presented at our clinic with syncope, pre-syncope, dizziness, and palpitations. STUDY DESIGN: Patients who were treated at pediatric cardiology clinic for complaints of syncope, dizziness, and palpitations between 2014 and 2016 were enrolled in the study. Detailed history of the patients, physical examination findings, laboratory and electrocardiogram results were recorded...
April 2017: Türk Kardiyoloji Derneği Arşivi: Türk Kardiyoloji Derneğinin Yayın Organıdır
https://www.readbyqxmd.com/read/28429454/scuba-diving-patent-foramen-ovale-and-heart-rhythm-disturbances-the-role-of-underwater-holter-monitoring-case-report
#4
Szymon Olędzki, Andrzej Wojtarowicz, Edyta Płońska-Gościniak, Maciej Lewandowski, Jarosław Gorący
Patent foramen ovale (PFO) is thought to be a risk factor for decompression illness (DCI). Catheter-based closure procedure reduces the risk of DCI in selected scuba divers with PFO. Major complication of invasive approach are rare, minor, especially heart rhythm disturbances are reported relatively often. We describe a case of 41-year-old diver, who underwent PFO closure due to recurrent DCI events. Afterward, he experienced no DCI symptoms; however, he complained about feeling of the heart beating during a submersion...
April 21, 2017: Annals of Noninvasive Electrocardiology
https://www.readbyqxmd.com/read/28424438/using-cardiovascular-imaging-modalities-to-determine-cardiac-disorders-before-starting-sports-activities
#5
Özgür Ceylan, Timur Meşe, Meşe Hazım Gürsu
OBJECTIVE: We re-examined children who had previously been declared eligible to participate in competitive sports activities for cardiac disorders, using cardiac investigation protocol. METHODS: Total of 250 children (224 males [89.6%], and 26 females [10.4%]) between the ages of 8 and 17 years who had just started or were already engaged in sports activities were included in the study. Participants had detailed physical examination evaluated by a pediatric cardiologist...
March 2017: Türk Kardiyoloji Derneği Arşivi: Türk Kardiyoloji Derneğinin Yayın Organıdır
https://www.readbyqxmd.com/read/28401865/the-effect-of-mitral-valve-surgery-on-ventricular-arrhythmia-in-patients-with-bileaflet-mitral-valve-prolapse
#6
Niyada Naksuk, Faisal F Syed, Chayakrit Krittanawong, Mark J Anderson, Elisa Ebrille, Christopher V DeSimone, Vaibhav R Vaidya, Shiva P Ponamgi, Rakesh M Suri, Michael J Ackerman, Vuyisile T Nkomo, Samuel J Asirvatham, Peter A Noseworthy
BACKGROUND: Bileaflet mitral valve prolapse (biMVP) is associated with frequent ventricular ectopy (VE) and malignant ventricular arrhythmia. We examined the effect of mitral valve (MV) surgery on VE burden in biMVP patients. METHODS: We included 32 consecutive patients undergoing MV surgery for mitral regurgitation secondary to biMVP between 1993 and 2012 at Mayo Clinic who had available pre- and post-operative Holter monitoring data. Characteristics of patients with a significant reduction in postoperative VE (group A, defined as >10% reduction in VE burden compared to baseline) were compared with the rest of study patients (group B)...
November 2016: Indian Pacing and Electrophysiology Journal
https://www.readbyqxmd.com/read/28394443/noninvasive-predictors-of-perioperative-atrial-arrhythmias-in-patients-with-tetralogy-of-fallot-undergoing-pulmonary-valve-replacement
#7
Daniel Cortez, Waseem Barham, Emily Ruckdeschel, Nandita Sharma, Anthony C McCanta, Johannes von Alvensleben, William H Sauer, Kathryn K Collins, Joseph Kay, Sonali Patel, Duy T Nguyen
BACKGROUND: Patients with tetralogy of Fallot (TOF) have increased risk of atrial arrhythmias. HYPOTHESIS: A measure of atrial dispersion, the P-wave vector magnitude (Pvm), can identify patients at risk for perioperative atrial flutter (AFL) or intra-atrial re-entrant tachycardia (IART) in a large TOF cohort. METHODS: We performed a blinded, retrospective analysis of 158 TOF patients undergoing pulmonary valve replacement between 1997 and 2015...
April 10, 2017: Clinical Cardiology
https://www.readbyqxmd.com/read/28394110/the-influence-of-corticosteroids-on-heart-rate-variablity-in-acute-cervical-spinal-cord-injury
#8
Antonija Krstačić, Goran Krstačić, Dragan Gamberger
Heart rate variability (HRV) gives information on the sympathetic-parasympathetic autonomic balance. The aim of the study was to analyze sympathovagal balance after acute spinal cord injury (SCI), demonstrated by linear measures in time and frequency domain of HRV and to analyze the effect of corticosteroids on HRV parameters in SCI. The study included 40 tetraplegic patients with acute SCI and 40 healthy subjects as control group. In the SCI group, 29 patients received and 11 patients did not receive corticosteroid therapy...
June 2016: Acta Clinica Croatica
https://www.readbyqxmd.com/read/28391064/heartbeat-monitoring-from-adaptively-down-sampled-electrocardiogram
#9
Luca Mesin
BACKGROUND AND OBJECTIVE: Heartbeats Holter monitoring is important for the detection of arrhythmias and possible anomalies, which are predictive of cardiovascular risks and infections. Reducing the number of acquired samples is useful to save energy and memory, but a proper down-sampling schedule is needed to record all useful information. Method An adaptive algorithm for the non-uniform down-sampling of data is used to reduce the mean sampling frequency of ECG data. The acquired data are processed to extract RR rhythm and to classify the heartbeats among a set of possible types of arrhythmias...
March 30, 2017: Computers in Biology and Medicine
https://www.readbyqxmd.com/read/28387127/the-rationale-of-holter-monitoring-after-stroke
#10
Halil Onder, Samet Yilmaz
No abstract text is available yet for this article.
January 1, 2017: Angiology
https://www.readbyqxmd.com/read/28379067/mercury-omega-3-fatty-acids-and-seafood-intake-are-not-associated-with-heart-rate-variability-or-qt-interval
#11
Charles Miller, Roxanne Karimi, Susan Silbernagel, Danielle Kostrubiak, Frederick Schiavone, Qiao Zhang, Jie Yang, Eric Rashba, Jaymie R Meliker
Mercury (Hg), eicosapentanoic acid (EPA), and docosahexaenoic acid (DHA) concentrations differ across seafood types. Our aim was to investigate the association of Hg, EPA and DHA, as well as avid consumption of diverse seafood types on cardiovascular variables heart rate variability (HRV) and QT interval duration (QTc) in a contemporary population. We measured HRV and QTc by Holter monitor, EPA and DHA in plasma, total Hg in whole blood, and possible confounders in ninety-four avid seafood consumers from Long Island, NY...
April 5, 2017: Archives of Environmental & Occupational Health
https://www.readbyqxmd.com/read/28373789/arrhythmogenic-right-ventricular-cardiomyopathy-with-biventricular-involvement-and-heart-failure-in-a-9-year-old-girl
#12
Fateh Ali Tipoo Sultan, Mehnaz Atiq Ahmed, Jamie Miller, Joseph B Selvanayagam
Arrhythmogenic right ventricular cardiomyopathy (ARVC) is seldom recognized clinically in infancy or under the age of 10. We report a case of a 9-year-old girl with ARVC, who presented with signs and symptoms of heart failure and palpitations. Holter monitoring showed frequent premature ventricular beats and echocardiogram revealed dilated and dysfunctional right ventricle with normal tricuspid valve and no evidence of intracardiac shunt. Cardiac magnetic resonance showed classical features of ARVC with both ventricular involvements...
April 2017: Journal of the Saudi Heart Association
https://www.readbyqxmd.com/read/28340043/very-long-term-outcome-following-transcatheter-ablation-of-atrial-fibrillation-are-results-maintained-after-10-years-of-follow-up
#13
Fiorenzo Gaita, Marco Scaglione, Alberto Battaglia, Mario Matta, Cristina Gallo, Michela Galatà, Domenico Caponi, Paolo Di Donna, Matteo Anselmino
Aims: Atrial fibrillation (AF) transcatheter ablation is a safe and effective procedure. However, outcome over 10 years of follow-up has never been reported. The aim of this study is to assess outcome, describe predictors of recurrences, and report on quality of life (QoL) the decade after an AF ablation. Methods and results: Patients referred for AF ablation in a single high volume centre from June 2004 to June 2006 were enrolled and followed in a prospective fashion by yearly clinical assessment and Holter monitoring...
February 28, 2017: Europace: European Pacing, Arrhythmias, and Cardiac Electrophysiology
https://www.readbyqxmd.com/read/28339589/the-clinical-value-of-t-wave-alternans-derived-from-holter-monitoring
#14
Joanna Lewek, Pawel Ptaszynski, Thomas Klingenheben, Iwona Cygankiewicz
Microvolt-level T-wave alternans (TWA) assessed by spectral method during an exercise stress test has been widely studied for risk stratification. Several studies have documented the association of a positive TWA with total mortality and arrhythmic events. Nevertheless, the need to achieve an elevated and stabilized heart rate resulting in a considerable proportion of indeterminate test results constitutes one of the main limitations of this method. It is well recognized that arrhythmic events may be triggered not only by physical but also by mental stress and are not necessarily associated with exercise...
October 6, 2016: Europace: European Pacing, Arrhythmias, and Cardiac Electrophysiology
https://www.readbyqxmd.com/read/28330804/cardiac-arrest-attributable-to-dysfunction-of-the-autonomic-nervous-system-after-traumatic-cervical-spinal-cord-injury
#15
Sei Won Kim, Chan Joo Park, Kyungil Kim, Yoon-Chung Kim
Bradycardia is the most common form of dysrhythmia developing after disruption of the sympathetic pathway by a spinal cord injury (SCI), and it can have fatal consequences, including cardiac arrest. Here, we report a case of cardiac arrest developing after cervical SCI attributable to sympathetic hypoactivity. A 26-year-old male pedestrian was admitted after a traffic accident. Radiologically, fractures were apparent at the C6-7 bilateral articular facets, and cord contusion with hemorrhage was evident at C4-7...
April 2017: Chinese Journal of Traumatology, Zhonghua Chuang Shang za Zhi
https://www.readbyqxmd.com/read/28321519/cardiac-autonomic-function-in-type-1-and-type-2-myotonic-dystrophy
#16
Piotr Bienias, Anna Łusakowska, Michał Ciurzyński, Zuzanna Rymarczyk, Katarzyna Irzyk, Michał Konwerski, Kamil Ciąpała, Paweł Kowalski, Anna Kamińska, Piotr Pruszczyk
OBJECTIVE: The aim of this study was to evaluate cardiac autonomic nervous system function using Holter-derived and standard electrocardiographic parameters in patients with myotonic dystrophy (dystrophia myotonica, DM) and no clinically overt heart involvement. METHODS: Eighty-four DM patients without conditions potentially influencing cardiac autonomic function were enrolled in the study: 44 with DM type 1 and 40 with DM type 2 (mean age 34.9 ± 11.5 and 47...
March 20, 2017: Clinical Autonomic Research: Official Journal of the Clinical Autonomic Research Society
https://www.readbyqxmd.com/read/28316985/prolonged-p-wave-and-qt-dispersion-in-children-with-inflammatory-bowel-disease-in-remission
#17
Helen Aghdasi Bornaun, Nuh Yılmaz, Günsel Kutluk, Reyhan Dedeoğlu, Kazım Öztarhan, Gonca Keskindemirci, Aras Tulunoğlu, Fatih Şap
Objectives. Ulcerative colitis (UC) and Crohn's disease (CD) are chronic inflammatory bowel diseases (IBD) with unclear underlying aetiologies. Severe cardiac arrhythmias have been emphasised in a few studies on adult IBD patients. This study aimed to investigate the alteration of the P-wave and QT interval dispersion parameters to assess the risk of atrial conduction and ventricular repolarisation abnormalities in pediatric IBD patients. Patients and Methods. Thirty-six IBD patients in remission (UC: 20, CD: 16) aged 3-18 years and 36 age- and sex-matched control patients were enrolled in the study...
2017: BioMed Research International
https://www.readbyqxmd.com/read/28290845/-assessment-of-efficiency-of-medicamentous-therapy-in-correction-of-structurally-functional-changes-of-the-cardiac-muscle-at-patients-with-arterial-hypertension-in-combination-with-bronchial-asthma
#18
E I Tarlovskaya, A A Odegova
BACKGROUND: Bronchial asthma (BA) is a serious problem. It was found that the frequency of arterial hypertension (AH) detection in patients with asthma is about 30 %. At patients practically all types of violations of a warm rhythm meet a bronkhoobstruktivny syndrome. Emergence of rather new preparations - If-blockers, opens new opportunities in correction of heart rate (HR) and a cardioprotection at a combination of AH and BA. AIM: To assess therapy diltiazem-retard and ivabradine on structurally functional changes of a cardiac muscle and HR at patients with AH in combination with BA...
June 2016: Kardiologiia
https://www.readbyqxmd.com/read/28289645/accuracy-of-heart-rate-measurement-using-smartphones-during-treadmill-exercise-in-male-patients-with-ischemic-heart-disease
#19
Eun Sun Lee, Jin Seok Lee, Min Cheol Joo, Ji Hee Kim, Se Eung Noh
OBJECTIVE: To evaluate the accuracy of a smartphone application measuring heart rates (HRs), during an exercise and discussed clinical potential of the smartphone application for cardiac rehabilitation exercise programs. METHODS: Patients with heart disease (14 with myocardial infarction, 2 with angina pectoris) were recruited. Exercise protocol was comprised of a resting stage, Bruce stage II, Bruce stage III, and a recovery stage. To measure HR, subjects held smartphone in their hands and put the tip of their index finger on the built-in camera for 1 minute at each exercise stage such as resting stage, Bruce stage II, Bruce stage III, and recovery stage...
February 2017: Annals of Rehabilitation Medicine
https://www.readbyqxmd.com/read/28271382/maximal-tachycardia-and-high-cardiac-strain-during-night-shifts-of-emergency-physicians
#20
Frédéric Dutheil, Fouad Marhar, Gil Boudet, Christophe Perrier, Geraldine Naughton, Alain Chamoux, Pascal Huguet, Martial Mermillod, Foued Saâdaoui, Farès Moustafa, Jeannot Schmidt
PURPOSE: To compare tachycardia and cardiac strain between 24-hour shifts (24hS) and 14-hour night shifts (14hS) in emergency physicians (EPs), and to investigate key factors influencing tachycardia and cardiac strain. METHODS: We monitored heart rate (HR) with Holter-ECG in a shift-randomized trial comparing a 24hS, a 14hS, and a control day, within a potential for 19 EPs. We also measured 24-h HR the third day (D3) after both shifts. We measured perceived stress by visual analog scale and the number of life-and-death emergencies...
March 7, 2017: International Archives of Occupational and Environmental Health
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