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https://www.readbyqxmd.com/read/29923993/catheter-radiofrequency-ablation-for-arrhythmias-under-the-guidance-of-the-carto-3-three-dimensional-mapping-system-in-an-operating-room-without-digital-subtraction-angiography
#1
Xingfu Huang, Yanjia Chen, Zheng Huang, Liwei He, Shenrong Liu, Xiaojiang Deng, Yongsheng Wang, Rucheng Li, Dingli Xu, Jian Peng
Several studies have reported the efficacy of a zero-fluoroscopy approach for catheter radiofrequency ablation of arrhythmias in a digital subtraction angiography (DSA) room. However, no reports are available on the ablation of arrhythmias in the absence of DSA in the operating room. To investigate the efficacy and safety of catheter radiofrequency ablation for arrhythmias under the guidance of a Carto 3 three-dimensional (3D) mapping system in an operating room without DSA. Patients were enrolled according to the type of arrhythmia...
June 2018: Medicine (Baltimore)
https://www.readbyqxmd.com/read/29895817/when-a-pseudo-infarct-electrocardiogram-ecg-pattern-in-a-posterior-accessory-wolff-parkinson-white-pathway-masks-a-true-inferior-infarct
#2
Muhammad U Butt, Ripa Patel, Yousef H Darrat, Gustavo X Morales, Claude S Elayi
BACKGROUND Wolff-Parkinson-White (WPW) pattern is due to a pre-excitation leading to characteristic ECG changes in sinus rhythm as short PR interval, the presence of delta waves, wide QRS complexes, and potentially Q wave-T wave vector discordance (pseudo-infarct pattern). These later changes can mask the underlying ECG depolarizing solely through the His-Purkinje system. Our case highlights how the ECG of a WPW pattern with a pseudo-infarct pattern can in fact mask a true infarct on the underlying ECG without pre-excitation...
June 13, 2018: American Journal of Case Reports
https://www.readbyqxmd.com/read/29848398/pharmacologic-therapy-with-flecainide-for-asymptomatic-wolff-parkinson-white-syndrome-in-an-infant-with-severe-left-ventricular-dyssynchrony
#3
Sayo Suzuki, Tatsunori Hokosaki, Mari Iwamoto
Some asymptomatic patients with Wolff-Parkinson-White syndrome have severe left ventricular dyssynchrony and dysfunction. We describe a patient who was given a diagnosis of Wolff-Parkinson-White syndrome in infancy and had a complete response to pharmacologic therapy with flecainide. Our findings suggest that flecainide is a suitable resynchronisation therapy for such infants.
July 2018: Cardiology in the Young
https://www.readbyqxmd.com/read/29791652/inflammatory-myopathy-in-the-context-of-an-unusual-overlapping-laminopathy
#4
Cristina Guillín-Amarelle, Sofía Sánchez-Iglesias, Antonio Mera, Elena Pintos, Ana Castro-Pais, Leticia Rodríguez-Cañete, Julio Pardo, Felipe F Casanueva, David Araújo-Vilar
Laminopathies are genetic disorders associated with alterations in nuclear envelope proteins, known as lamins. The LMNA gene encodes lamins A and C, and LMNA mutations have been linked to diseases involving fat (type 2 familial partial lipodystrophy [FPLD2]), muscle (type 2 Emery-Dreifuss muscular dystrophy [EDMD2], type 1B limb-girdle muscular dystrophy [LGMD1B], and dilated cardiomyopathy), nerves (type 2B1 Charcot-Marie-Tooth disease), and premature aging syndromes. Moreover, overlapping syndromes have been reported...
May 17, 2018: Archives of Endocrinology and Metabolism
https://www.readbyqxmd.com/read/29788238/atypical-bypass-tracts-can-they-be-recognized-during-sinus-rhythm
#5
José Nunes de Alencar Neto, Saulo Rodrigo Ramalho de Moraes, Eduardo Back Sternick, Hein J J Wellens
Atypical bypass tracts or variants of ventricular pre-excitation are rare anatomic structures often with rate-dependent slowing in conduction, called decremental conduction. During sinus rhythm, electrocardiographic recognition of those structures may be difficult because unlike in the Wolff-Parkinson-White syndrome where usually overt ventricular pre-excitation is present, the electrocardiogram (ECG) often shows a subtle pre-excitation pattern because of less contribution to ventricular activation over the slow and decrementally conducting bypass...
May 16, 2018: Europace: European Pacing, Arrhythmias, and Cardiac Electrophysiology
https://www.readbyqxmd.com/read/29755940/isolated-wolff-parkinson-white-syndrome-in-identical-twins
#6
Michael E Field, Jennifer J Laffin, Jonathan J Langberg, Nicholas H Von Bergen
No abstract text is available yet for this article.
April 2018: HeartRhythm Case Reports
https://www.readbyqxmd.com/read/29730348/epicardial-intraoperative-3-d-mapping-of-wolff-parkinson-white-in-a-child-with-ebstein-s-anomaly
#7
James C Perry, Andras Bratincsak, Suzanne Shepard, Matthew R Williams, Joseph Loslo, Raghav Murthy, John J Lamberti
Catheter ablation of arrhythmias in small patients has inherent significant risk due to patient, catheter, and lesion size. Heart block, perforation and coronary damage may occur. This report shows adaptation of a 3-D electroanatomic mapping system for intraoperative use in a small patient with Ebstein's anomaly undergoing Cone procedure and bidirectional Glenn. Use of this technique gave clear identification of the epicardial insertion points of two accessory pathways causing Wolff-Parkinson-White and resistant episodes of supraventricular tachycardia...
May 3, 2018: Annals of Thoracic Surgery
https://www.readbyqxmd.com/read/29706203/complications-of-radiofrequency-ablation-for-supraventricular-tachycardia-in-the-wolff-parkinson-white-syndrome-associated-with-noncompaction-cardiomyopathy
#8
William C Roberts, Paul A Grayburn, Shelley A Hall
Described herein is a 52-year-old man with Wolff-Parkinson-White syndrome and noncompaction cardiomyopathy who underwent 4 sternotomies to correct complications of 3 ablation procedures (2 open) for recurring supraventricular tachycardia, mitral valve repair for a damaged mitral valve during the third radiofrequency ablation procedure, and finally orthotopic heart transplantation.
June 1, 2018: American Journal of Cardiology
https://www.readbyqxmd.com/read/29692378/outcomes-of-ebstein-s-anomaly-patients-treated-with-tricuspid-valvuloplasty-or-tricuspid-valve-replacement-experience-of-a-single-center
#9
Bin Li, Han-Song Sun, Shi-Wei Pan, Jian-Ping Xu
Background: The incidence of Ebstein's anomaly is extremely low, and except for the Mayo Clinic, no cardiac center has reported on a sufficient number of patients. The aim of our study was to report the outcomes of Ebstein's anomaly patients treated with tricuspid valvuloplasty (TVP) or tricuspid valve replacement (TVR). Methods: TVP or TVR was performed in 245 patients from July 2006 to April 2016. We reviewed patients' records and contacted patients via outpatient service and over the telephone...
May 5, 2018: Chinese Medical Journal
https://www.readbyqxmd.com/read/29687676/can-sudden-cardiac-death-in-the-young-be-predicted-and-prevented-lessons-from-autopsy-for-the-emergency-physician
#10
Jennifer L White, Anna Marie Chang, Sergi Cesar, Georgia Sarquella-Brugada
Sudden unexpected death in the young, though rare, is devastating for both the family and the community. Although only 1.3 to 8.5 cases of sudden cardiac death (SCD) occur per 100 000 young people, autopsy is often inconclusive. Many causes of SCD are related to autosomal dominant inherited risk, however; therefore, answers are important for survivors. Causes of autopsy-positive SCD in young patients include hypertrophic cardiomyopathy and arrhythmogenic right ventricular dysplasia. Autopsy-negative SCD has been related to inherited arrhythmogenic causes such as long QT syndrome, Brugada syndrome, catecholaminergic polymorphic ventricular tachycardia, Wolff- Parkinson-White syndrome, and idiopathic ventricular fibrillation...
June 2018: Emergencias: revista de la Sociedad Española de Medicina de Emergencias
https://www.readbyqxmd.com/read/29619572/-recognizing-rare-cardiac-diseases-by-electrocardiogram
#11
REVIEW
W Grimm, A Grimm, K Grimm, E Efimova
A number of rare cardiac diseases can be recognized by electrocardiogram (ECG). This article illustrates the clinical importance of ECG as a key diagnostic tool to detect Wolff-Parkinson-White syndrome and channelopathies, which are frequently diagnosed late after one or more affected family members have become victims of sudden cardiac death. These channelopathies include long QT syndrome, short QT syndrome, Brugada syndrome, and catecholaminergic polymorphic ventricular tachycardia. In addition, typical ECG findings are frequently present in patients with idiopathic ventricular tachycardia, arrhythmogenic right ventricular dysplasia, digitalis intoxication, hyperkalemia, acute cor pulmonale due to pulmonary embolism, as well as severe left ventricular hypertrophy as in hypertrophic cardiomyopathy...
June 2018: Der Internist
https://www.readbyqxmd.com/read/29593177/molecular-pathogenesis-of-familial-wolff-parkinson-white-syndrome
#12
Miyamotoa Licht
Familial Wolff-Parkinson-White (WPW) syndrome is an autosomal dominant inherited disease and consists of a small percentage of WPW syndrome which exhibits ventricular pre-excitation by development of accessory atrioventricular pathway. A series of mutations in PRKAG2 gene encoding gamma2 subunit of 5'AMP-activated protein kinase (AMPK) has been identified as the cause of familial WPW syndrome. AMPK is one of the most important metabolic regulators of carbohydrates and lipids in many types of tissues including cardiac and skeletal muscles...
2018: Journal of Medical Investigation: JMI
https://www.readbyqxmd.com/read/29569399/identification-of-clinically-relevant-phenotypes-in-patients-with-ebstein-anomaly
#13
Rodrigo Cabrera, Marta Catalina Miranda-Fernández, Victor Manuel Huertas-Quiñones, Marisol Carreño, Ivonne Pineda, Carlos M Restrepo, Claudia Tamar Silva, Rossi Quero, Juan David Cano, Diana Carolina Manrique, Camila Camacho, Sebastián Tabares, Alberto García, Néstor Sandoval, Karen Julieth Moreno Medina, Rodolfo José Dennis Verano
BACKGROUND: Ebstein anomaly (EA) is a heterogeneous congenital heart defect (CHD), frequently accompanied by diverse cardiac and extracardiac comorbidities, resulting in a wide range of clinical outcomes. HYPOTHESIS: Phenotypic characterization of EA patients has the potential to identify variables that influence prognosis and subgroups with distinct contributing factors. METHODS: A comprehensive cross-sectional phenotypic characterization of 147 EA patients from one of the main referral institutions for CHD in Colombia was carried out...
March 2018: Clinical Cardiology
https://www.readbyqxmd.com/read/29562793/wolff-parkinson-white-syndrome-and-noncompaction-in-leber-s-hereditary-optic-neuropathy-due-to-the-variant-m-3460g-a
#14
Josef Finsterer, Claudia Stollberger, Edmund Gatterer
This report describes a 66-year-old Caucasian male who acutely developed severe, bilateral impairment of visual acuity at 24 years of age. Leber's hereditary optic neuropathy (LHON) was suspected but the diagnosis was not genetically confirmed until the age of 49 years when the primary LHON mutation m.3460G>A was detected. Since onset, visual acuity had slightly improved. The family history was positive for LHON (brother, two sisters of mother, female cousin) and genetically confirmed in his brother and one aunt...
May 2018: Journal of International Medical Research
https://www.readbyqxmd.com/read/29512803/attempted-suicide-by-fl%C3%A3-cainide-overdose-a-case-report
#15
Mouna Ben Kilani, Soufia Naccache, Rami Tlili, Dorra Mbarek, Salma Longo, Youssef Ben Ameur, Mohamed Rachid Boujnah
Class Ic antiarrythmic overdose is associated with a relatively high mortality. We presenta case report regarding a suicidal intoxication of an 18-year old female with a medical history of Wolff-Parkinson-White syndrome. The preliminary examination highlighted a profound cardiovascular collapse. The electrocardiogram showed a PR interval extended to 360 ms. The QRS complexes were enlarged to 360 ms with a right bundle brunch block appearance associated with left posterior hemibloc. There were repolarization abnormalities such as elevation of the J-point, convex ST segment and biphasic T wave in the right precordial leads ("Brugada-Like ECG pattern")...
June 2017: La Tunisie Médicale
https://www.readbyqxmd.com/read/29478804/a-case-of-wolff-parkinson-white-syndrome-presenting-spontaneous-mutual-frequent-transition-between-atrioventricular-reciprocating-tachycardia-and-atrioventricular-nodal-re-entrant-tachycardia
#16
Hidekazu Kondo, Tetsuji Shinohara, Toyokazu Otsubo, Miho Miyoshi, Akira Fukui, Takeshi Tsuchiya, Naohiko Takahashi
Atrioventricular reciprocating tachycardia (AVRT) and atrioventricular nodal re-entrant tachycardia (AVNRT) can coexist and present unidirectional transition (from AVRT to AVNRT, or from AVNRT to AVRT) in a single patient. Actually, such cases have already been reported previously. However, a case with spontaneous bidirectional transition of both tachycardias during supraventricular tachycardia has never been reported. This article describes a case with spontaneous, mutual, and frequent transition between AVRT and AVNRT...
February 3, 2018: Journal of Electrocardiology
https://www.readbyqxmd.com/read/29452709/late-restored-cardiac-function-after-successful-resynchronization-by-right-posterior-accessory-pathway-ablation-in-wolff-parkinson-white-syndrome-associated-dilated-cardiomyopathy
#17
Kun-Lang Wu, Shuenn-Nan Chiu, Chun-An Chen, Chun-Wei Lu, Wei-Chieh Tseng, Jou-Kou Wang, Mei-Hwan Wu
No abstract text is available yet for this article.
February 8, 2018: Journal of Electrocardiology
https://www.readbyqxmd.com/read/29316261/arrhythmia-after-cone-repair-for-ebstein-anomaly-the-mayo-clinic-experience-in-143-young-patients
#18
Philip Wackel, Bryan Cannon, Joseph Dearani, Kristen Sessions, Kimberly Holst, Jonathan Johnson, Frank Cetta
BACKGROUND: The increased incidence of preoperative and postoperative arrhythmia in Ebstein anomaly (EA) prompted some clinicians to perform an electrophysiology study (EPS) in all patients prior to surgery for EA. The cone repair (CR) is the current surgical option of choice for most young patients with EA but the effect of the CR on arrhythmia is not well established. OBJECTIVES: To assess the burden of arrhythmia in young patients after CR and to assess the utility of selective preoperative EPS...
January 2018: Congenital Heart Disease
https://www.readbyqxmd.com/read/29305187/cardiac-arrest-and-ventricular-arrhythmia-in-adults-with-ebstein-anomaly-and-left-ventricular-non-compaction
#19
Magdalena Kumor, Magdalena Lipczyńska, Elzbieta Katarzyna Biernacka, Anna Klisiewicz, Anna Wójcik, Marek Konka, Katarzyna Kożuch, Piotr Szymański, Piotr Hoffman
BACKGROUND: Ebstein anomaly is a complex, congenital heart defect that is associated with a variety of cardiac abnormalities. Studies found a similar sarcomere gene mutation in patients with Ebstein anomaly (EA) and patients with isolated left ventricular non-compaction (LVNC). AIM: We aimed to show the prevalence of LVNC and its potential relationship with severe cardiac events (VT - ventricular tachycardia, cardiac arrest) in adult patients with EA. METHODS: We conducted a retrospective search of our institutional database from 2010 to 2014 for patients with EA and reviewed patients' medical records (age, sex, clinical presentation, electrocardiographic, echocardiographic, and CMR - cardiac magnetic resonance features)...
May 2018: Journal of Cardiology
https://www.readbyqxmd.com/read/29298659/cardiac-manifestations-of-prkag2-mutation
#20
Pooya Banankhah, Gregory A Fishbein, Anthony Dota, Reza Ardehali
BACKGROUND: The Protein Kinase AMP-Activated Non-Catalytic Subunit Gamma 2 (PRKAG2) cardiac syndrome is characterized by glycogen accumulation in the cardiac tissue. The disease presents clinically with hypertrophic cardiomyopathy (HCM), and it is often associated with conduction abnormalities. CASE PRESENTATION: A 23 year-old female with history of Wolff-Parkinson-White (WPW) and HCM presented for evaluation after an episode of Non-ST Elevation Myocardial Infarction (NSTEMI)...
January 3, 2018: BMC Medical Genetics
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