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Adolescent ecg

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https://www.readbyqxmd.com/read/28772335/qtc-interval-in-adolescents-and-young-athletes-influence-of-correction-formulas
#1
Salvatore Francesco Gervasi, Massimiliano Bianco, Vincenzo Palmieri, Francesco Cuccaro, Paolo Zeppilli
A QTc interval at the upper limits in young athletes can be challenging. Regardless of factors able to influence it (age, electrolytes, etc.), several authors underlined that rate correction formulas can often underestimate/overestimate it. Our objective was to identify the most reliable formula and relative upper normal limit of QTc for this population. The rest ECG of 701 healthy elite male athletes was analyzed. QTc was calculated with 4 formulas (Bazett, Fridericia, Framingham, Hodges). Correlation/regression analysis of QTc vs...
September 2017: International Journal of Sports Medicine
https://www.readbyqxmd.com/read/28759083/a-rare-cause-of-early-repolarisation-in-an-adolescent-boy-with-chest-pain-myocardial-bridging
#2
Murat Deveci, Kadir Babaoğlu, Özlem Kayabey
Early repolarisation is a common electrocardiographic (ECG) finding characterised by J-point and ST segment elevation ≥ 0.1 mV in two or more adjacent leads. The ECG pattern of early repolarisation is relatively common in asymptomatic subjects. Early repolarisation pattern may be seen in secondary conditions such as hypothermia, autonomic nervous system disturbances, cocaine abuse, hypercalcaemia and myocardial ischaemia. We present a case of an adolescent boy with chest pain and concurrent ST-segment elevation...
May 23, 2017: Cardiovascular Journal of Africa
https://www.readbyqxmd.com/read/28744930/what-endocardial-right-ventricular-pacing-site-shows-better-contractility-and-synchrony-in-children-and-adolescents
#3
Massimo Stefano Silvetti, Antonio Ammirati, Rosalinda Palmieri, Vincenzo Pazzano, Silvia Placidi, Lucilla Ravà, Romolo Remoli, Fabio Anselmo Saputo, Letizia Verticelli, Fabrizio Drago
AIMS: Right ventricular (RV) apical (RVA) pacing can induce left ventricular (LV) dyssynchrony, remodeling, and dysfunction in children with complete atrioventricular block (CAVB). We compared the functional outcome of RVA with RV alternative pacing sites (RVAPS), including para-Hisian, septal, and outflow tract sites. METHODS: This is a single-center, retrospective study. Data were collected before pacemaker implantation (transvenous leads), postoperatively, at 6 months, and at 1-2-3-4 years...
July 25, 2017: Pacing and Clinical Electrophysiology: PACE
https://www.readbyqxmd.com/read/28715351/interacting-influences-of-gender-and-chronic-pain-status-on-parasympathetically-mediated-heart-rate-variability-in-adolescents-and-young-adults
#4
Lynn S Walker, Amanda L Stone, Craig A Smith, Stephen Bruehl, Judy Garber, Martina Puzanovova, André Diedrich
Considerable research links chronic pain to autonomic nervous system (ANS) dysfunction, specifically low heart rate variability (HRV) mediated by reduced parasympathetic activity. However, little is known about factors that influence ANS function in chronic pain. The ANS is the primary pathway for brain-gut communication, making it of particular interest in gastrointestinal disorders, such as irritable bowel syndrome, characterized by functional abdominal pain (FAP). We evaluated the relation of sex, pain severity, and psychological stress to ANS function in adolescents/young adults from a database of pediatric FAP and control participants enrolled 8 years earlier in a prospective study of pain...
August 2017: Pain
https://www.readbyqxmd.com/read/28705431/-effect-of-intermittent-variable-intensity-exercise-on-qt-variation-and-risk-of-sudden-cardiac-death-among-cameroonian-school-adolescents
#5
E C Bika Lele, M N Pepouomi, A Temfemo, J Mekoulou, P Assomo Ndemba, S H Mandengue
INTRODUCTION: Several cases of sudden deaths are observed among students practicing sport and physical activity (SPA). Just few studies have been carried out on the variation of the QT (interval) and risk of sudden death during sporting exercises. AIM: To determine the effect of variable intermittent stress intensity on the variation of QT and the risk of sudden cardiac death. PATIENTS AND METHODS: Form 4, lower sixth and upper sixth students were recruited from a high school in Douala (Cameroon)...
July 10, 2017: Annales de Cardiologie et D'angéiologie
https://www.readbyqxmd.com/read/28670188/an-uncommon-variant-of-an-uncommon-disease-a-caucasian-adolescent-with-apical-hypertrophic-cardiomyopathy-diagnosed-with-myocardial-perfusion-imaging
#6
Rami Kassem Zein, Zaid Al-Faham, Jason A Mouabbi, Edouard R Daher
Apical hypertrophic cardiomyopathy (ApHCM) is a subtype of HCM. This variant is more common in the Asian population when compared to North American patients. Patients may present with arrhythmias, heart failure, myocardial infarction, chest discomfort, fatigue, and presyncope or syncope. Initial evaluation requires electrocardiogram and two-dimensional echocardiogram. T-wave inversion in the precordial leads as well as hypertrophy of the left ventricle is hallmarks of the disease. Cardiac magnetic resonance (CMR) imaging is the most specific and sensitive imaging modality...
July 2017: World Journal of Nuclear Medicine
https://www.readbyqxmd.com/read/28668906/a-current-approach-to-heart-failure-in-duchenne-muscular-dystrophy
#7
REVIEW
Domenico D'Amario, Antonio Amodeo, Rachele Adorisio, Francesco Danilo Tiziano, Antonio Maria Leone, Gianluigi Perri, Piergiorgio Bruno, Massimo Massetti, Alessandra Ferlini, Marika Pane, Giampaolo Niccoli, Italo Porto, Gianluca A D'Angelo, Josip Anđelo Borovac, Eugenio Mercuri, Filippo Crea
Duchenne muscular dystrophy (DMD) is a genetic, progressive neuromuscular condition that is marked by the long-term muscle deterioration with significant implications of pulmonary and cardiac dysfunction. As such, end-stage heart failure (HF) in DMD is increasingly becoming the main cause of death in this population. The early detection of cardiomyopathy is often challenging, due to a long subclinical phase of ventricular dysfunction and difficulties in assessment of cardiovascular symptomatology in these patients who usually loose ambulation during the early adolescence...
July 1, 2017: Heart: Official Journal of the British Cardiac Society
https://www.readbyqxmd.com/read/28608915/abc-om-pediatrisk-ekg-tolkning
#8
Caroline Fransson, Stefan Johansson, Cecilia Halvorsen
The ABC of paediatric ECG interpretation In paediatric patients, ECG is used as a tool for investigation of arrhythmias, chest pain, syncope, intoxications and congenital heart abnormalities. Paediatric ECGs differ significantly from adult ECGs, and change gradually during childhood, largely because of the changes that start with the transition of foetal circulation at birth. This evolution is most prominent during the first year of life, but it is not until the late adolescent years that the ECG corresponds to that of adults...
June 9, 2017: Läkartidningen
https://www.readbyqxmd.com/read/28574282/prevention-of-sudden-death-in-adolescent-athletes-incremental-diagnostic-value-and-cost-effectiveness-of-diagnostic-tests
#9
Gonzalo Grazioli, Maria Sanz de la Garza, Barbara Vidal, Silvia Montserrat, Georgia Sarquella-Brugada, Ramon Pi, Lluis Til, Josep Gutierrez, Josep Brugada, Marta Sitges
Introduction Pre-participation screening in athletes attempts to reduce the incidence of sudden death during sports by identifying susceptible individuals. The objective of this study was to evaluate the diagnostic capacity of the different pre-participation screening points in adolescent athletes and the cost effectiveness of the programme. Methods Athletes were studied between 12-18 years old. Pre-participation screening included the American Heart Association questionnaire, electrocardiogram, echocardiogram, and stress test...
January 1, 2017: European Journal of Preventive Cardiology
https://www.readbyqxmd.com/read/28559636/treating-an-adolescent-with-long-qt-syndrome-for-bipolar-disorder-a-case-presentation
#10
Özlem Önen, Ayşe Kutlu, Handan Özek Erkuran
OBJECTIVES: Long QT syndrome (LQTS) is described as the development of sudden syncope attacks or death as a result of ventricular tachycardia (VT) episodes that might be observed as elongated QT interval in electrocardiography (ECG). Implantable Cardioverter Defibrillator (ICD) is recommended as first-line treatment for the condition in guidelines. We aimed to present an adolescent recently diagnosed with Bipolar Disorder (BD) who had LQTS that was treated with ICD, discussing her follow up and treatment along with relevant literature...
January 26, 2017: Psychopharmacology Bulletin
https://www.readbyqxmd.com/read/28523341/cost-of-unnecessary-testing-in-the-evaluation-of-pediatric-syncope
#11
Connor Redd, Cameron Thomas, Martha Willis, Michelle Amos, Jeffrey Anderson
Syncope is a common and a typically benign clinical problem in children and adolescents. The majority of tests ordered in otherwise healthy pediatric patients presenting with syncope have low diagnostic yield. This study quantifies testing and corresponding patient charges in a group of pediatric patients presenting for outpatient evaluation for syncope. Patients seen between 3/2011 and 4/2013 in the multi-disciplinary Syncope Clinic at Cincinnati Children's Hospital Medical Center were enrolled in a registry which was reviewed for patient information...
August 2017: Pediatric Cardiology
https://www.readbyqxmd.com/read/28510296/pharmacokinetics-and-safety-of-single-dose-inhaled-loxapine-in-children-and-adolescents
#12
Sally Selim, Robert Riesenberg, James Cassella, Jeevan Kunta, Edward Hellriegel, Mark A Smith, Alexander A Vinks, Laura Rabinovich-Guilatt
This multisite open-label study sought to characterize the pharmacokinetics and safety of a single dose of inhaled loxapine in children and adolescents. Loxapine powder for oral inhalation was administered via a single-use handheld drug device to children and adolescents (aged 10-17 years) with any condition warranting chronic antipsychotic use. Patients were dosed according to body weight and cohort (<50 kg [n = 15], 2.5 or 5 mg; ≥50 kg [n = 15], 5 or 10 mg); the first 6 patients (cohort 1) enrolled in each weight group received the lower dose...
May 16, 2017: Journal of Clinical Pharmacology
https://www.readbyqxmd.com/read/28509783/the-evaluation-of-adolescent-chest-pain-a-screening-ecg-or-psc-17
#13
Patricia E Acra, María T Pérez
PURPOSE OF REVIEW: The present review offers an update on entities presenting as chest pain in the adolescent population. It discusses recently proposed tools and shared mental models used in primary and urgent care settings to evaluate chest pain, and their focus on identifying life-threatening processes. We consider whether the current practice may be improved by accounting for the increasingly recognized non-life-threatening causes of adolescent chest pain. RECENT FINDINGS: The present experiences and behaviors of adolescents have added new causes of chest pain to the work-up of this disquieting chief complaint...
August 2017: Current Opinion in Pediatrics
https://www.readbyqxmd.com/read/28508456/age-and-sex-based-reference-ranges-for-non-invasive-ventricular-repolarisation-parameters
#14
Annabella Braschi, Maurizio G Abrignani, Vincenzo C Francavilla, Vincenzo Abrignani, Giuseppe Francavilla
BACKGROUND: Some electrocardiographic parameters are able to assess indirectly ventricular repolarisation homogeneity. It is consequently essential to discriminate between normal and abnormal values in clinical decision-making. Considering there is still not a consensus about normal cut-off values, the aim of this study was to document reference intervals in all age groups of a healthy population, providing for age- and sex-percentile tables, which can be used easily and quickly in clinical practice...
May 2017: International Journal of Clinical Practice
https://www.readbyqxmd.com/read/28506854/long-term-safety-and-efficacy-of-solifenacin-in-children-and-adolescents-with-overactive-bladder
#15
Donald Newgreen, Brigitte Bosman, Adriana Hollestein-Havelaar, Ellen Dahler, Robin Besuyen, Robert Snijder, Will Sawyer, Søren Rittig, Stéphane Bolduc
PURPOSE: We evaluated the long-term safety and efficacy of once daily oral solifenacin suspension in children (5 to less than 12 years old) and adolescents (12 to less than 18 years old) with overactive bladder. MATERIALS AND METHODS: We conducted a 40-week, open label extension of a 12-week double-blind, placebo controlled trial. Outcome measures included incidence and severity of adverse events (primary end point), laboratory variables, vital signs, 12-lead electrocardiogram, post-void residual volume, and change from baseline to end of treatment in mean number of micturitions and incontinence episodes per 24 hours, number of incontinence-free days per 7 days and number of grade 3 or 4 urgency episodes per 24 hours (adolescents only)...
May 12, 2017: Journal of Urology
https://www.readbyqxmd.com/read/28500423/physiological-self-regulation-buffers-the-relationship-between-impulsivity-and-externalizing-behaviors-among-nonclinical-adolescents
#16
Michelle A Kuhn, Joshua J Ahles, Jaclyn T Aldrich, Madeline D Wielgus, Amy H Mezulis
Trait impulsivity is a risk factor for rule breaking and aggressive (externalizing) behaviors among nonclinical youth. Buffers of trait-based risk are of practical interest to preventing externalizing behaviors. One such buffer may be the capacity and efforts of a child to self-regulate their physiology. Youth who possess baseline physiological self-regulatory capacities are more likely to maintain adaptive engagement with their environment and may be less prone to impulsively rule break or be aggressive. Similarly, youth who are able to use self-regulatory skills to calm their physiology in times of stress may be less likely to externalize distress...
May 12, 2017: Journal of Youth and Adolescence
https://www.readbyqxmd.com/read/28420263/an-unusual-cause-of-frequent-sudden-transient-unexplained-falls-and-new-onset-status-epilepticus-case-report-and-mini-review
#17
Dinesh Singh, Alford Dyer, Sherry Gu, Patrick McCarville, Annie Hess, Olugbenga Akingbola, Jane El-Dahr, Stephen Nelson
We report a 14-year old adolescent Caucasian female, who presented with frequent, sudden, transient, and unexplained falls leading to multiple serious injuries to her head and extremities requiring several visits to the emergency department. She was evaluated numerous times and imaging studies, echocardiogram, electrocardiogram, and electroencephalogram studies were all normal. She eventually presented to outside emergency department with dystonic posturing and status epilepticus and was transferred to our pediatric intensive care unit for further management...
April 1, 2017: Clinical Pediatrics
https://www.readbyqxmd.com/read/28402139/long-term-open-label-safety-study-of-edivoxetine-monotherapy-in-children-and-adolescents-with-attention-deficit-hyperactivity-disorder
#18
Emel Serap Monkul Nery, Mark Bangs, Peng Liu, Jonna Ahl, David Perahia
OBJECTIVE: The purpose of this study was to assess the long-term safety and tolerability of edivoxetine, a selective norepinephrine reuptake inhibitor, which was being developed as monotherapy in pediatric attention-deficit/hyperactivity disorder (ADHD). METHODS: This was an open-label study of edivoxetine once daily dosing (0.1-0.3 mg/kg) as treatment for ADHD in children (6-11 years) and adolescents (12-17 years) to assess safety for up to 5 years. The safety assessments included the incidence of adverse events, vital signs, electrocardiograms, laboratory tests, percentile changes in weight, height, and body mass index, and Tanner staging...
April 12, 2017: Journal of Child and Adolescent Psychopharmacology
https://www.readbyqxmd.com/read/28367598/early-repolarization-in-normal-adolescents-is-common
#19
Humera Ahmed, Richard J Czosek, David S Spar, Timothy K Knilans, Jeffrey B Anderson
In adults with structurally normal hearts, the early repolarization pattern (ERP) on electrocardiogram (ECG) may be associated with an increased risk of sudden cardiac death. The prevalence and significance of the ERP in children is unknown. This study examines the prevalence of the ERP, the population in which it is found, and whether there exists any correlation with increased LV mass or family history of significant cardiac events. This was a secondary review of data obtained from healthy adolescents undergoing a limited ECG and transthoracic echocardiogram (TTE) as part of a cardiac screening study...
April 2017: Pediatric Cardiology
https://www.readbyqxmd.com/read/28356306/effect-of-age-and-sex-on-the-qtc-interval-in-children-and-adolescents-with-type-1-and-2-long-qt-syndrome
#20
MULTICENTER STUDY
Arja S Vink, Sally-Ann B Clur, Ronald B Geskus, Andreas C Blank, Charlotte C A De Kezel, Masao Yoshinaga, Nynke Hofman, Arthur A M Wilde, Nico A Blom
BACKGROUND: In congenital long-QT syndrome, age, sex, and genotype have been associated with cardiac events, but their effect on the trend in QTc interval has never been established. We, therefore, aimed to assess the effect of age and sex on the QTc interval in children and adolescents with type 1 (LQT1) and type 2 (LQT2) long-QT syndrome. METHODS AND RESULTS: QTc intervals of 12-lead resting electrocardiograms were determined, and trends over time were analyzed using a linear mixed-effects model...
April 2017: Circulation. Arrhythmia and Electrophysiology
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