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https://www.readbyqxmd.com/read/28323171/acquired-long-qt-syndrome-in-hospitalized-patients
#1
Haixu Yu, Li Zhang, Jinqiu Liu, Ying Liu, Peter R Kowey, Yanli Zhang, Yue Chen, Yushan Wei, Lianjun Gao, Huihua Li, Jie Du, Yunlong Xia
BACKGROUND: Acquired long QT syndrome (ALQTS) has long been overlooked in clinical practice. Recent studies reported that severe ALQTS (QTc ≥500 ms) in hospitalized patients is associated with increased all-cause mortality. OBJECTIVE: We aimed to determine the role of ALQTS in the clinical outcomes of hospitalized patients. METHODS: Electronic medical records were reviewed to identify severe ALQTS in hospitalized patients in a single study center from 9-1-2013 to 2-28-2014...
March 16, 2017: Heart Rhythm: the Official Journal of the Heart Rhythm Society
https://www.readbyqxmd.com/read/28321775/presence-and-extent-of-cardiac-computed-tomography-angiography-defined-coronary-artery-disease-in-patients-presenting-with-syncope
#2
S Altintas, T Dinh, N G H M Marcks, M Kok, A J J Aerts, B Weijs, Y Blaauw, J E Wildberger, M Das, B L J H Kietselaer, H J G M Crijns
BACKGROUND: In syncope patients, presence of coronary artery disease (CAD) is associated with poor prognosis. However, data concerning CAD prevalence in syncope patients without known cardiovascular disease are lacking. Therefore, the aim of this study was to investigate presence and extent of CAD in syncope patients. METHODS: We included 142 consecutive patients presenting with syncope at the outpatient cardiology clinic who underwent coronary computed tomography (CT) angiography...
March 20, 2017: Netherlands Heart Journal
https://www.readbyqxmd.com/read/28303324/short-qt-syndrome-in-pediatrics
#3
REVIEW
Roberta Pereira, Oscar Campuzano, Georgia Sarquella-Brugada, Sergi Cesar, Anna Iglesias, Josep Brugada, Fernando E S Cruz Filho, Ramon Brugada
Short QT syndrome is a malignant cardiac disease characterized by the presence of ventricular tachyarrhythmias leading to syncope and sudden cardiac death. Currently, international guidelines establish diagnostic criteria when QTc is below 340 ms. This entity is one of the main diseases responsible for sudden cardiac death in the pediatric population. In recent years, clinical, genetic and molecular advances in pathophysiological mechanisms related to short QT syndrome have improved diagnosis, risk stratification, and preventive measures...
March 16, 2017: Clinical Research in Cardiology: Official Journal of the German Cardiac Society
https://www.readbyqxmd.com/read/28286245/pacing-as-a-treatment-for-reflex-mediated-vasovagal-situational-or-carotid-sinus-hypersensitivity-syncope-a-systematic-review-for-the-2017-acc-aha-hrs-guideline-for-the-evaluation-and-management-of-patients-with-syncope-a-report-of-the-american-college-of-cardiology
#4
Paul D Varosy, Lin Y Chen, Amy L Miller, Peter A Noseworthy, David J Slotwiner, Venkatesh Thiruganasambandamoorthy
OBJECTIVE: To determine, using systematic review of the biomedical literature, whether pacing reduces risk of recurrent syncope and relevant clinical outcomes among adult patients with reflex-mediated syncope. METHODS: MEDLINE (through PubMed), EMBASE, and the Cochrane Central Register of Controlled Trials (through October 7, 2015) were searched for randomized trials and observational studies examining pacing and syncope, and the bibliographies of known systematic reviews were also examined...
March 9, 2017: Heart Rhythm: the Official Journal of the Heart Rhythm Society
https://www.readbyqxmd.com/read/28286220/pacing-as-a-treatment-for-reflex-mediated-vasovagal-situational-or-carotid-sinus-hypersensitivity-syncope-a-systematic-review-for-the-2017-acc-aha-hrs-guideline-for-the-evaluation-and-management-of-patients-with-syncope-a-report-of-the-american-college-of-cardiology
#5
Paul D Varosy, Lin Y Chen, Amy L Miller, Peter A Noseworthy, David J Slotwiner, Venkatesh Thiruganasambandamoorthy
OBJECTIVE: To determine, using systematic review of the biomedical literature, whether pacing reduces risk of recurrent syncope and relevant clinical outcomes among adult patients with reflex-mediated syncope. METHODS: MEDLINE (through PubMed), EMBASE, and the Cochrane Central Register of Controlled Trials (through October 7, 2015) were searched for randomized trials and observational studies examining pacing and syncope, and the bibliographies of known systematic reviews were also examined...
March 3, 2017: Journal of the American College of Cardiology
https://www.readbyqxmd.com/read/28265287/pernicious-anemia-associated-cobalamin-deficiency-and-thrombotic-microangiopathy-case-report-and-review-of-the-literature
#6
Farhanah Yousaf, Bruce Spinowitz, Chaim Charytan, Marilyn Galler
A 43-year-old Hispanic male without significant previous medical history was brought to emergency department for syncope following a blood draw to investigate a 40 lbs weight loss during the past 6 months associated with decreased appetite and progressive fatigue. The patient also reported a 1-month history of jaundice. On examination, he was hemodynamically stable and afebrile with pallor and diffuse jaundice but without skin rash or palpable purpura. Normal sensations and power in all extremities were evident on neurological exam...
2017: Case Reports in Medicine
https://www.readbyqxmd.com/read/28262331/adverse-events-following-quadrivalent-meningococcal-crm-conjugate-vaccine-menveo%C3%A2-reported-to-the-vaccine-adverse-event-reporting-system-vaers-2010-2015
#7
Tanya R Myers, Michael M McNeil, Carmen S Ng, Rongxia Li, Paige W Lewis, Maria V Cano
BACKGROUND: Limited data are available describing the post-licensure safety of meningococcal vaccines, including Menveo®. We reviewed reports of adverse events (AEs) to the Vaccine Adverse Event Reporting System (VAERS) to assess safety in all age groups. METHODS: VAERS is a national spontaneous vaccine safety surveillance system co-administered by the Centers for Disease Control and Prevention and the US Food and Drug Administration. We searched the VAERS database for US reports of adverse events in persons who received Menveo from 1 January 2010 through 31 December 2015...
March 2, 2017: Vaccine
https://www.readbyqxmd.com/read/28259551/diagnostic-yield-of-device-interrogation-in-the-evaluation-of-syncope-in-an-elderly-population
#8
Robert N D'Angelo, Christopher C Pickett
BACKGROUND: Device interrogation has become a standard part of the syncope evaluation for patients admitted with permanent pacemakers (PPM) or implantable cardiac defibrillators (ICD), although few studies have shown interrogation yields clinically useful data. The purpose of this study is to determine the diagnostic yield of device interrogation as well as other commonly performed tests in the workup of unexplained syncope in patients with previously implanted PPMs or ICDs. METHODS: We retrospectively reviewed records of 88 patients admitted to our medical center for syncope with previously implanted pacemakers between January 1, 2005 and January 1, 2015 using ICD-9 billing data...
February 27, 2017: International Journal of Cardiology
https://www.readbyqxmd.com/read/28242292/systemic-mastocytosis-kounis-syndrome-and-coronary-intervention-case-report-and-systematic-review
#9
REVIEW
Elizabeth D Paratz, Nancy Khav, Andrew T Burns
A 72-year-old male reported a long-standing history of unexplained syncope. Stress echocardiography demonstrated inducible anterior hypokinesis, and he proceeded to percutaneous coronary intervention for an 80% stenosis of the left anterior descending artery. Thirty minutes post-procedure, he experienced a pulseless electrical activity (PEA) cardiac arrest. Urgent repeat angiography demonstrated profound coronary artery spasm consistent with Kounis syndrome. Three days later, a second PEA arrest occurred. Systemic mastocytosis was ultimately diagnosed as the cause of his recurrent syncopal episodes and cardiac arrests...
February 15, 2017: Heart, Lung & Circulation
https://www.readbyqxmd.com/read/28240408/tilt-table-testing-to-diagnose-pseudosyncope-in-the-pediatric-population
#10
Jeffrey A Robinson, Jill K Shivapour, Christopher S Snyder
OBJECTIVE: Pseudosyncope can be difficult to distinguish from true syncope. Often, pediatric patients with pseudosyncope undergo multiple tests and referrals before the appropriate diagnosis is reached. The purpose is to describe the utility of the head-up tilt table test to elicit the diagnosis of pseudosyncope in the pediatric population. DESIGN: Retrospective chart review from November 2012 to December 2015 of patients age ≤23 years referred for 30-minute, 80-degree tilt table test...
February 27, 2017: Congenital Heart Disease
https://www.readbyqxmd.com/read/28236737/panayiotopoulos-syndrome-with-a-special-emphasis-of-ictal-semiologic-features
#11
A Destina Yalçın, Hülya Ertaşoğlu Toydemir
PURPOSE: The aim was to identify the demographic, electroencephalographic findings, clinical features, especially ictal semiological symptoms of patients diagnosed with Panayiotopoulos Syndrome. METHOD: The semiologic and EEG findings of 42 patients were reviewed. Statistical analysis was used to determine the frequencies of semiologic features and to define the symptom clusters. RESULTS: The most common clinical features were nausea (54.8%), vomiting (50...
February 16, 2017: Epilepsy Research
https://www.readbyqxmd.com/read/28224105/nutrient-stimulation-of-mesenteric-blood-flow-implications-for-older-critically-ill-patients
#12
REVIEW
Thu An Nguyen, Yasmine Ali Abdelhamid, Liza K Phillips, Leeanne S Chapple, Michael Horowitz, Karen L Jones, Adam M Deane
Nutrient ingestion induces a substantial increase in mesenteric blood flow. In older persons (aged ≥ 65 years), particularly those with chronic medical conditions, the cardiovascular compensatory response may be inadequate to maintain systemic blood pressure during mesenteric blood pooling, leading to postprandial hypotension. In older ambulatory persons, postprandial hypotension is an important pathophysiological condition associated with an increased propensity for syncope, falls, coronary vascular events, stroke and death...
February 4, 2017: World Journal of Critical Care Medicine
https://www.readbyqxmd.com/read/28220526/balloon-valvuloplasty-of-tricuspid-stenosis-a-retrospective-study-of-5-labrador-retriever-dogs
#13
G A Lake-Bakaar, L G Griffiths, M D Kittleson
BACKGROUND: There are limited reports of severe tricuspid valve stenosis in dogs and limited data regarding treatment and outcome. OBJECTIVE: To evaluate clinical signs, echocardiographic features, and outcome of balloon valvuloplasty (BV) in dogs with severe tricuspid valve stenosis (TVS) in which BV was attempted. ANIMALS: Five client-owned dogs with severe TVS. METHODS: Records were retrospectively reviewed and data collected regarding signalment, clinical signs, diagnostic findings, procedures, and outcome...
March 2017: Journal of Veterinary Internal Medicine
https://www.readbyqxmd.com/read/28199007/accuracy-of-claims-based-algorithms-for-epilepsy-research-revealing-the-unseen-performance-of-claims-based-studies
#14
Lidia M V R Moura, Maggie Price, Andrew J Cole, Daniel B Hoch, John Hsu
OBJECTIVE: To evaluate published algorithms for the identification of epilepsy cases in medical claims data using a unique linked dataset with both clinical and claims data. METHODS: Using data from a large, regional health delivery system, we identified all patients contributing biologic samples to the health system's Biobank (n = 36K). We identified all subjects with at least one diagnosis potentially consistent with epilepsy, for example, epilepsy, convulsions, syncope, or collapse, between 2014 and 2015, or who were seen at the epilepsy clinic (n = 1,217), plus a random sample of subjects with neither claims nor clinic visits (n = 435); we then performed a medical chart review in a random subsample of 1,377 to assess the epilepsy diagnosis status...
February 15, 2017: Epilepsia
https://www.readbyqxmd.com/read/28185740/vaccine-adverse-events-in-a-safety-net-healthcare-system-and-a-managed-care-organization
#15
Komal J Narwaney, Kristin Breslin, Colleen A Ross, Jo Ann Shoup, Kris F Wain, Eric S Weintraub, Michael M McNeil, Simon J Hambidge
BACKGROUND: The Institute of Medicine, in a 2013 report, recommended that the Vaccine Safety Datalink (VSD) expand collaborations to include more diversity in the study population. Kaiser Permanente Colorado (KPCO), an established VSD site, partnered with Denver Health (DH), an integrated safety net healthcare system, to demonstrate the feasibility of integrating DH data within the VSD. Prior to incorporating the data, we examined the identification of specific vaccine associated adverse events (VAEs) in these two distinct healthcare systems...
February 6, 2017: Vaccine
https://www.readbyqxmd.com/read/28153943/the-cardiovascular-system-after-exercise
#16
Steven A Romero, Christopher Todd Minson, John R Halliwill
Recovery from exercise refers to the time period between the end of a bout of exercise and the subsequent return to a resting or recovered state. It also refers to specific physiological processes or states, occurring after exercise, which are distinct from the physiology of either the exercising or the resting states. In this context, recovery of the cardiovascular system after exercise occurs across a period of minutes to hours, during which many characteristics of the system, even how it is controlled, are changing over time...
February 2, 2017: Journal of Applied Physiology
https://www.readbyqxmd.com/read/28143616/hypertrophic-obstructive-cardiomyopathy-with-multiple-coronary-arteries-to-right-ventricular-microfistulas-a-case-report-and-review-of-the-literature
#17
Daulat Singh Meena, Chandra Bhan Meena, Javed Parvez
BACKGROUND: Coronary artery microfistulas are a rare anomaly; their association with hypertrophic cardiomyopathy is even rarer and can lead to serious cardiac complications owing to coronary steal phenomena such as angina pectoris, myocardial infarction, congestive heart failure, ventricular and supraventricular arrhythmias, syncope, and sudden death. CASE PRESENTATION: A 32-year-old Indian woman presented to our institute with severe angina on exertion and multiple episodes of pre-syncope...
January 31, 2017: Journal of Medical Case Reports
https://www.readbyqxmd.com/read/28131609/geriatric-syncope-and-cardiovascular-risk-in-the-emergency-department
#18
Nissa J Ali, Shamai A Grossman
BACKGROUND: Syncope is a transient loss of consciousness that is caused by a brief loss in generalized cerebral blood flow. OBJECTIVE: This article reviews the background, epidemiology, etiologies, evaluation, and disposition considerations of geriatric patients with syncope, with a focus on cardiovascular risk. DISCUSSION: Although syncope is one of the most common symptoms in elderly patients presenting to the emergency department, syncope causes in geriatric patients can present differently than in younger populations, and the underlying etiology is often challenging to discern...
April 2017: Journal of Emergency Medicine
https://www.readbyqxmd.com/read/28127134/inhaler-syncope
#19
Robert L Rosenthal, Jay O Franklin
Syncope can result from certain activities that trigger an exaggerated physiological response in susceptible individuals; examples include cough, laugh, and micturition syncope. We report a novel cause for syncope, that due to reflex bradycardia and asystole produced by the use of asthma inhalers. We discuss the possible mechanisms for this effect and briefly review other breathing-related causes of bradycardia.
January 2017: Proceedings of the Baylor University Medical Center
https://www.readbyqxmd.com/read/28114816/a-case-of-chronic-hypomagnesemia-in-a-cancer-survivor
#20
Marko Velimirovic, Joshua Charles Ziperstein, Andrew Zoltan Fenves
OBJECTIVES: Hypomagnesemia is common among hospitalized patients, particularly those who are critically ill. It can be associated with a number of potentially life-threatening cardiovascular, neurological and behavioral manifestations. As opposed to acute, chronic hypomagnesemia is often underdiagnosed and underreported and as such may pose a diagnostic and therapeutic problem. CASE PRESENTATION: We describe a case of magnesium wasting in a middle-aged woman with head and neck cancer who presented with recurrent syncopal episodes complicated by a femur fracture 4 months after completing a course of carboplatin-containing chemotherapy...
February 6, 2017: Hospital Practice (Minneapolis)
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