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Clinical electrocardiography

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https://www.readbyqxmd.com/read/29783683/estimating-respiratory-rate-in-post-anesthesia-care-unit-patients-using-infrared-thermography-an-observational-study
#1
Nadine Hochhausen, Carina Barbosa Pereira, Steffen Leonhardt, Rolf Rossaint, Michael Czaplik
The post-anesthesia care unit (PACU) is the central hub for recovery after surgery, especially when the surgery is performed under general anesthesia. Aside from clinical aspects, respiratory impairment is one of the major causes of morbidity and affected recovery in the PACU and should therefore be monitored. In previous studies, infrared thermography was applied to assess the breathing rate (BR) of healthy volunteers. Here, the transferability of published methods for postoperative patients in the PACU was examined...
May 18, 2018: Sensors
https://www.readbyqxmd.com/read/29774391/comparison-of-left-ventricular-hypertrophy-by-electrocardiography-and-echocardiography-in-children-using-analytics-tool
#2
Lauren Tague, Justin Wiggs, Qianxi Li, Robert McCarter, Elizabeth Sherwin, Jacqueline Weinberg, Craig Sable
Left ventricular hypertrophy (LVH) is a common finding on pediatric electrocardiography (ECG) leading to many referrals for echocardiography (echo). This study utilizes a novel analytics tool that combines ECG and echo databases to evaluate ECG as a screening tool for LVH. SQL Server 2012 data warehouse incorporated ECG and echo databases for all patients from a single institution from 2006 to 2016. Customized queries identified patients 0-18 years old with LVH on ECG and an echo performed within 24 h. Using data visualization (Tableau) and analytic (Stata 14) software, ECG and echo findings were compared...
May 17, 2018: Pediatric Cardiology
https://www.readbyqxmd.com/read/29764506/cardiotoxicity-of-5-fluorouracil-and-capecitabine-in-chinese-patients-a-prospective-study
#3
Jianjun Peng, Chao Dong, Chang Wang, Weihua Li, Hao Yu, Min Zhang, Qun Zhao, Bo Zhu, Jun Zhang, Wenliang Li, Fenghua Wang, Qiong Wu, Wenhao Zhou, Ying Yuan, Meng Qiu, Gong Chen
BACKGROUND: 5-Fluorouracil (5-FU) and capecitabine-associated cardiotoxicity ranging from asymptomatic electrocardiography (ECG) abnormalities to severe myocardial infarction has been reported in a number of studies, but such cardiotoxicity in Chinese patients with malignant diseases has not been investigated to date. In the present study, we aimed to prospectively evaluate the incidence rates and clinical manifestations of 5-FU- and capecitabine-associated cardiotoxicity in cancer patients recruited from multiple centers in China...
May 11, 2018: Cancer communications
https://www.readbyqxmd.com/read/29761670/arrhythmic-events-in-brugada-syndrome-a-nationwide-israeli-survey-of-the-clinical-characteristics-treatment-and-long-term-follow-up-israbru-vf
#4
Eran Leshem, Michael Rahkovich, Anna Mazo, Mahmoud Suleiman, Miri Blich, Avishag Laish-Farkash, Yuval Konstantino, Rami Fogelman, Boris Strasberg, Michael Geist, Israel Chetboun, Moshe Swissa, Michael Ilan, Aharon Glick, Yoav Michowitz, Raphael Rosso, Michael Glikson, Bernard Belhassen
BACKGROUND: Limited information exists about detailed clinical characteristics and management of the small subset of Brugada syndrome (BrS) patients who had an arrhythmic event (AE). OBJECTIVES: To conduct the first nationwide survey focused on BrS patients with documented AE. METHODS: Israeli electrophysiology units participated if they had treated BrS patients who had cardiac arrest (CA) (lethal/aborted; group 1) or experienced appropriate therapy for tachyarrhythmias after prophylactic implantable cardioverter defibrillator (ICD) implantation (group 2)...
May 2018: Israel Medical Association Journal: IMAJ
https://www.readbyqxmd.com/read/29759842/temporal-relationship-of-asystole-to-onset-of-transient-loss-of-consciousness-in-tilt-induced-reflex-syncope
#5
Dirk P Saal, Roland D Thijs, Erik W van Zwet, Marianne Bootsma, Michele Brignole, David G Benditt, J Gert van Dijk
OBJECTIVES: The purpose of this study was to investigate the relationship between the onset of asystole and transient loss of consciousness (TLOC) in tilt-induced reflex syncope and estimate how often asystole was the principal cause of TLOC. BACKGROUND: The presence of asystole in vasovagal syncope (VVS) may prompt physicians to consider pacemaker therapy for syncope prevention, but the benefit of pacing is limited in VVS. METHODS: We evaluated electrocardiography, electroencephalography, blood pressure, and clinical findings during tilt-table tests...
December 26, 2017: JACC. Clinical Electrophysiology
https://www.readbyqxmd.com/read/29759429/defining-blanking-period-post-pulmonary-vein-antrum-isolation
#6
Pouria Alipour, Zahra Azizi, Meysam Pirbaglou, Paul Ritvo, Alfredo Pantano, Atul Verma, Yaariv Khaykin
OBJECTIVES: This study sought to determine the exact period after pulmonary vein antrum isolation (PVI) during which early recurrence of atrial tachyarrhythmia (ERAT) does not predict late arrhythmia recurrence (LR), in order to better define the blanking period. BACKGROUND: Recurrence of atrial fibrillation after PVI is not uncommon. The first 3 months after PVI have been commonly treated as a blanking period, during which ERAT is not thought to predict LR after PVI; however, recent studies have shown that ERAT does predict LR...
June 2017: JACC. Clinical Electrophysiology
https://www.readbyqxmd.com/read/29752679/wavelet-promoted-sparsity-for-non-invasive-reconstruction-of-electrical-activity-of-the-heart
#7
Matthijs Cluitmans, Joël Karel, Pietro Bonizzi, Paul Volders, Ronald Westra, Ralf Peeters
We investigated a novel sparsity-based regularization method in the wavelet domain of the inverse problem of electrocardiography that aims at preserving the spatiotemporal characteristics of heart-surface potentials. In three normal, anesthetized dogs, electrodes were implanted around the epicardium and body-surface electrodes were attached to the torso. Potential recordings were obtained simultaneously on the body surface and on the epicardium. A CT scan was used to digitize a homogeneous geometry which consisted of the body-surface electrodes and the epicardial surface...
May 12, 2018: Medical & Biological Engineering & Computing
https://www.readbyqxmd.com/read/29747670/the-efficacy-and-safety-of-jiedu-tongluo-granules-for-treating-post-stroke-depression-with-qi-deficiency-and-blood-stasis-syndrome-study-protocol-for-a-randomized-controlled-trial
#8
Ai-Mei Zhao, Wen-Ran Qiu, Li-Jun Mao, Jun-Guo Ren, Li Xu, Ming-Jiang Yao, Kellie Bilinksi, Dennis Chang, Jian-Xun Liu
BACKGROUND: Post-stroke depression (PSD) is the most common psychiatric complication after a stroke. The most frequently used antidepressants are selective serotonin receptor inhibitors (SSRIs) and serotonin and norepinephrine reuptake inhibitors (SNRIs), however, these exhibit a series of side effects. Traditional Chinese medicine has been used to treat PSD with few side effects. The aim of this study is to evaluate the efficacy and safety of Jiedu Tongluo granules for treating PSD with qi deficiency and blood stasis syndrome...
May 10, 2018: Trials
https://www.readbyqxmd.com/read/29721115/electrocardiographic-changes-and-exposure-to-solvents
#9
Seyedeh Negar Assadi
Background: Occupational exposures can cause cardiovascular disorders. Some exposures may be harmful, and exposures to chemicals such as metal welding fumes, gases, and pesticides, and stress related to physical and occupational hazard, which results in cardiovascular disorders such as arrhythmia, could be prevented. The objective of this study was to determine the electrocardiographic changes in occupational exposure to organic solvents. Methods: It was a historical cohort study and was carried out on workers of industries...
February 2018: Journal of Arrhythmia
https://www.readbyqxmd.com/read/29709318/allergic-myocardial-infarction-following-recombinant-human-insulin
#10
Bülent Özlek, Eda Özlek, Oğuzhan Çelik, Cem Çil, Volkan Doğan, Murat Biteker
BACKGROUND: Allergic myocardial infarction is a rare clinical entity. OBJECTIVES: Although a few number of case reports with severe anaphylactic reactions to recombinant human insulin have been reported, allergic myocardial infarction, known as Kounis Syndrome, has not been reported before. METHODS: Herein, we report a 57-year-old woman with myocardial infarction, referred for urticarial rash, chest pain, and palpitations developed after the first subcutaneous dose of recombinant human insulin...
April 27, 2018: Heart & Lung: the Journal of Critical Care
https://www.readbyqxmd.com/read/29709303/assessment-of-longitudinal-systolic-function-using-tissue-motion-annular-displacement-in-healthy-dogs
#11
Marcela Wolf, Stephany B Lucina, Bruna C Brüler, Giovana L R Tuleski, Vinícius B C Silva, Marlos G Sousa
INTRODUCTION: Left ventricular systolic function is one of the main parameters studied in echocardiography. Longitudinal systolic function, however, is less commonly evaluated in routine examinations but may provide early information on systolic dysfunction. The movement of the mitral annulus toward the apex has already been determined as a method for evaluation of longitudinal systolic function in dogs, but the study of this movement by speckle tracking with the tissue motion annular displacement (TMAD) technique has not yet been evaluated...
April 27, 2018: Journal of Veterinary Cardiology: the Official Journal of the European Society of Veterinary Cardiology
https://www.readbyqxmd.com/read/29676835/heart-rate-variability-parameters-in-children-with-ventricular-preexcitation
#12
Serhat Koca, Feyza Aysenur Pac, Ajda Mihcioglu, Deniz Eris, Serkan Cay, Ozcan Ozeke
INTRODUCTION: The autonomic nervous system has a regulatory effect on cardiac electrophysiology and arrhythmogenesis. We aimed to assess cardiac autonomic status using heart rate variability (HRV) parameters in children with ventricular preexcitation. METHODS: The electrocardiography, Holter monitoring, transesophageal electrophysiological study (TEEPS) and invasive electrophysiological study (EPS) results of ventricular preexcitation patients obtained over a 7-year period in our clinic were evaluated...
April 20, 2018: Journal of Cardiovascular Electrophysiology
https://www.readbyqxmd.com/read/29676061/use-of-fragmented-qrs-in-prognosticating-clinical-deterioration-and-mortality-in-pulmonary-embolism-a-meta-analysis
#13
REVIEW
Amro Qaddoura, Geneviève C Digby, Conrad Kabali, Piotr Kukla, Gary Tse, Benedict Glover, Adrian M Baranchuk
BACKGROUND: Fragmented QRS (fQRS) on electrocardiography is potentially valuable in prognosticating acute pulmonary embolism (PE). ECG is one of the first tests performed in the emergency department, quickly interpretable, noninvasive, inexpensive, and available in remote areas. We aimed to review fQRS's role in PE prognostication. METHODS: We searched MEDLINE, EMBASE, Google Scholar, Web of Science, abstracts, conference proceedings, and reference lists until October 2017...
April 19, 2018: Annals of Noninvasive Electrocardiology
https://www.readbyqxmd.com/read/29671882/electrocardiography-scar-quantification-correlates-with-scar-size-of-hypertrophic-cardiomyopathy-seen-by-multidetector-computed-tomography
#14
Tiago Costa Bignoto, Dalmo Antônio Ribeiro Moreira, Ricardo Garbe Habib, Edileide de Barros Correia, Ricardo Carneiro Amarante, Tannas Jatene, Mario Barbosa Guedes Nunes, Tiago Senra, Luiz Eduardo Mastrocolla
BACKGROUND: Hypertrophic cardiomyopathy (HCM), a genetically transmitted disease, is the most common genetic cardiovascular disease. Current strategies to stratify risk are expensive and concentrated in wealthy centers. Twelve-lead electrocardiography (ECG) is inexpensive and universally available and can be readily used for Selvester QRS scoring, which estimates scar size. This study aimed to establish the relation between ECG scar quantification and myocardial fibrosis (extent of myocardial delayed enhancement) in multidetector computed tomography (MDCT)...
April 19, 2018: Clinical Cardiology
https://www.readbyqxmd.com/read/29667276/stress-cardiomyopathy-provoked-chaotic-t-wave-lability
#15
Soheila Talebi, Alaleh Azhir, Edgar Argulian
Potentially lethal arrhythmia, occurring at presentation or during hospitalization, are a part of the clinical spectrum of stress cardiomyopathy. There is significant association between the catecholamine provoked nonalternating beat to beat fluctuations in T-wave morphology, termed T-wave lability (TWL), and the clinical risk of arrhythmia. We report four patients with diagnosis of stress cardiomyopathy, in whom serial electrocardiography showed macrovoltage nonalternating fluctuations in T-wave morphology...
April 17, 2018: Annals of Noninvasive Electrocardiology
https://www.readbyqxmd.com/read/29663822/the-effect-of-intrathecal-sufentanil-preconditioning-against-myocardial-ischemia-reperfusion-injury
#16
Y Tire, G Sarkilar, H Esen, R Onoglu, S T Uzun
OBJECTIVES: We aimed to investigate the cardioprotective effect and hemodynamic response of intrathecally administered sufentanil on myocardial IR injury. BACKGROUND: Sufentanil, mu opioid receptor agonist, intravenously administered during clinical and experimental studies, has been shown to have a cardioprotective effect on myocardial ischemia-reperfusion injury. METHODS: Thirty-two New Zealand type rabbits, which were anesthetized, were divided into four equal groups: sham, ischemia-reperfusion, sufentanil and ischemia-reperfusion+sufentanil...
2018: Bratislavské Lekárske Listy
https://www.readbyqxmd.com/read/29655856/acute-and-subchronic-toxicities-in-dogs-and-genotoxicity-of-honokiol-microemulsion
#17
Xiujun Qin, Jingjing Yin, Wei Zhang, Jianguo Li, Jianhua Wen, Shizhong Chen
This article aims to conduct toxicity test research on honokiol microemulsion(HM) to provide reference frame for the safe dose design as well as the toxic and adverse reaction monitoring in clinic. High performance liquid chromatography (HPLC) method was adopted to determine the concentration, stability and uniformity of HM and the results indicated that the test sample was conformed to the toxicity test requirements. In the acute toxicity test, six intravenous drip dosages, namely, 100.0, 66.7, 44.4, 19.8, 8...
June 2018: Regulatory Toxicology and Pharmacology: RTP
https://www.readbyqxmd.com/read/29650121/prediction-of-abnormal-myocardial-relaxation-from-signal-processed-surface-ecg
#18
Partho P Sengupta, Hemant Kulkarni, Jagat Narula
BACKGROUND: Myocardial relaxation is impaired in almost all cases with left ventricular diastolic dysfunction (LVDD) and is a strong predictor of cardiovascular and all-cause mortality. OBJECTIVES: This study investigated the feasibility of signal-processed surface electrocardiography (spECG) as a diagnostic tool for predicting the presence of abnormal cardiac muscle relaxation. METHODS: A total of 188 outpatients referred for coronary computed tomography (CT) angiography underwent an echocardiogram for assessment of LVDD...
April 17, 2018: Journal of the American College of Cardiology
https://www.readbyqxmd.com/read/29644505/cardiotoxicity-of-immunotherapy-incidence-diagnosis-and-management
#19
REVIEW
Aarti Asnani
PURPOSE OF REVIEW: This review describes cardiotoxicity associated with adoptive T cell therapy and immune checkpoint blockade. RECENT FINDINGS: Cardiotoxicity is a rare but potentially fatal complication associated with novel immunotherapies. Both affinity-enhanced and chimeric antigen receptor T cells have been reported to cause hypotension, arrhythmia, and left ventricular dysfunction, typically in the setting of cytokine release syndrome. Immune checkpoint inhibitors are generally well-tolerated but have the potential to cause myocarditis, with clinical presentations ranging from asymptomatic cardiac biomarker elevation to heart failure, arrhythmia, and cardiogenic shock...
April 11, 2018: Current Oncology Reports
https://www.readbyqxmd.com/read/29625811/further-characterization-of-capos-caos-syndrome-with-the-glu818lys-mutation-in-the-atp1a3-gene-a-case-report
#20
Takuya Hayashida, Yoshiaki Saito, Atsushi Ishii, Shinichi Hirose, Rika Hiraiwa, Yoshihiro Maegaki, Kousaku Ohno
A 38-year-old female patient experienced recurrent episodes of neurological deterioration during febrile illness at the age of 7 and 8 months, and 2, 4, and 37 years. Acute symptoms comprised unconsciousness, headache, abnormal ocular movements, flaccid paralysis with areflexia, ataxia, dysphagia, and movement disorders. Each episode of neurological deterioration was followed by partial recovery with residual symptoms of progressive disturbance of visual acuity with optic atrophy and hearing loss, moderate intellectual disability, strabismus, ophthalmoplegia, as well as fluctuating degree of gait ataxia, chorea, tremor, and myoclonus...
April 3, 2018: Brain & Development
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