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RBBB & myocardial infarct

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https://www.readbyqxmd.com/read/27188309/risk-factors-for-heart-failure-in-a-cohort-of-patients-with-newly-diagnosed-myocardial-infarction-a-matched-case-control-study-in-iran
#1
Ali Ahmadi, Koorosh Etemad, Arsalan Khaledifar
OBJECTIVES: Risk factors for heart failure (HF) have not yet been studied in myocardial infarction (MI) patients in Iran. This study was conducted to determine these risk factors. METHODS: In this nationwide, hospital-based, case-control study, the participants were all new MI patients hospitalized from April 2012 to March 2013 in Iran. The data on 1,691 new cases with HF (enrolled by census sampling) were compared with the data of 6,764 patients without HF as controls...
2016: Epidemiology and Health
https://www.readbyqxmd.com/read/27017617/prognostic-significance-of-right-bundle-branch-block-for-patients-with-acute-myocardial-infarction-a-systematic-review-and-meta-analysis
#2
Li Xiang, Anyuan Zhong, Tao You, Jianchang Chen, Weiting Xu, Minhua Shi
BACKGROUND: The aim of the current meta-analysis was to assess the effect of right bundle branch block (RBBB) on mortality outcome in patients with acute myocardial infarction (AMI). MATERIAL/METHODS: Embase, PubMed, and Cochrane databases were searched through January 2015 using the keywords "RBBB", "mortality", "AMI", "Coronary Heart Disease", and "cardiovascular". An odds ratio (OR) of RBBB on mortality endpoints was calculated using random-effects models. RESULTS: RBBB was associated with significantly increased overall mortality in patients with AMI...
2016: Medical Science Monitor: International Medical Journal of Experimental and Clinical Research
https://www.readbyqxmd.com/read/26942134/new-right-bundle-branch-block-as-a-criterion-for-emergent-coronary-angiography
#3
Jonah M Pozen, Anit K Mankad, John T Owens, Ion S Jovin
CONTEXT: ST-segment elevations in two or more contiguous leads or new left bundle branch block (LBBB) on electrocardiography (ECG) in a patient with acute onset chest pain are diagnostic criteria for acute myocardial infarction (AMI) and generally warrant urgent coronary angiography and cardiac catheterization. However, the significance of new right bundle branch block (RBBB) without other acute ECG changes is unclear and is currently not considered a criterion. CASE REPORT: We present a patient with chest pain, positive biomarkers of myocardial necrosis and isolated new right bundle block on ECG...
December 2015: North American Journal of Medical Sciences
https://www.readbyqxmd.com/read/26634337/exercise-left-ventricular-ejection-fraction-predicts-events-in-right-bundle-branch-block
#4
Jesús Peteiro, Alberto Bouzas-Mosquera, Javier Broullón, Juan Yañez, Dolores Martinez, Jose Manuel Vazquez
OBJECTIVE: Interpretation of the electrocardiogram (ECG) during exercise is not easy in patients with right bundle branch block (RBBB). Also, the value of exercise echocardiography (ExE) for predicting outcome in them has not been addressed. We sought to assess its prognostic value in patients with RBBB and known/suspected coronary disease. DESIGN: Retrospective analysis of data on 703 patients with RBBB who were submitted to a clinically-indicated ExE. The end points were overall mortality and combined myocardial infarction and cardiovascular mortality...
2016: Scandinavian Cardiovascular Journal: SCJ
https://www.readbyqxmd.com/read/26436874/the-prognostic-significance-of-right-bundle-branch-block-a-meta-analysis-of-prospective-cohort-studies
#5
REVIEW
Yunyun Xiong, Lian Wang, Wenyan Liu, Graeme J Hankey, Biao Xu, Shang Wang
BACKGROUND: The prognostic significance of right bundle branch block (RBBB) is inconsistent across studies. We aimed to assess the association between RBBB (in general population and patients with heart disease) and risk of all-cause mortality, cardiac death, acute myocardial infarction (MI), and heart failure (HF). HYPOTHESIS: RBBB may be associated with increased risk of death. METHODS: PubMed, EMBASE, and the Cochrane Library up to February 2015 were searched for prospective cohort studies that reported RBBB at baseline and all-cause mortality, cardiac death, MI, and HF at follow-up...
October 2015: Clinical Cardiology
https://www.readbyqxmd.com/read/26253998/relation-of-new-permanent-right-or-left-bundle-branch-block-on-short-and-long-term-mortality-in-acute-myocardial-infarction-bundle-branch-block-and%C3%A2-myocardial%C3%A2-infarction
#6
MULTICENTER STUDY
Antonio Melgarejo-Moreno, José Galcerá-Tomás, Luciano Consuegra-Sánchez, Nuria Alonso-Fernández, Ángela Díaz-Pastor, Germán Escudero-García, Leticia Jaulent-Huertas, Marta Vicente-Gilabert, Emilio Galcerá-Jornet, Antonio Padilla-Serrano, José de Gea-García, Eduardo Pinar-Bermudez
The aim of this study was to investigate the prognosis associated with bundle branch block (BBB) depending on location, time of appearance, and duration in patients with myocardial infarction (MI). From January 1998 to January 2008, we recruited 5,570 patients with acute MI. Thirty-day and 7-year all-cause mortality, according to BBB location, time of appearance, and duration were analyzed by multivariable analyses. BBB was present in 964 patients (17.3%); right BBB (RBBB) 10.6% and left BBB (LBBB) 6.7%. Overall mortality rate at 30 days was 13...
October 1, 2015: American Journal of Cardiology
https://www.readbyqxmd.com/read/26055601/significance-of-an-isolated-new-right-bundle-branch-block-in-a-patient-with-chest-pain
#7
Geraldine Gilliot, Pierre Monney, Olivier Muller, Olivier Hugli
Chest pain is a common presenting symptom in emergency departments, and a typical manifestation of acute myocardial infarction (AMI). Recognition of ECG changes in AMI is essential for timely diagnosis and treatment. Right bundle branch block (RBBB) may be an isolated sign of AMI, and was previously considered as a criterion for fibrinolytic therapy. Since the most recent European Society of Cardiology and American Heart Association guidelines in 2013, RBBB alone is no longer considered a diagnostic criterion of AMI, even if it occurs in the context of acute chest pain, as RBBB does not usually interfere with the interpretation of ST-segment alteration...
June 8, 2015: BMJ Case Reports
https://www.readbyqxmd.com/read/25852248/peeling-off-the-mask-pseudo-myocardial-infarction-pattern-on-electrocardiogram-during-aicd-implantation
#8
Sudeep Kumar, Aditya Kapoor, Nagaraja Moorthy, Yash Lokhandwala
Lead induced transient right bundle branch block is not uncommon during pacemaker implantation. We describe a patient with old anterior wall myocardial infarction with severe left ventricular dysfunction presenting with recurrent ventricular tachycardia who developed transient right bundle branch block and pseudomyocardial infacrction pattern during AICD implantation.
January 2015: Indian Pacing and Electrophysiology Journal
https://www.readbyqxmd.com/read/25589305/his-bundle-bigeminy-evidenced-by-short-his-ventricular-interval
#9
Yoshiaki Kaneko, Tadashi Nakajima, Masaki Ota, Masahiko Kurabayashi
No abstract text is available yet for this article.
May 2015: Journal of Cardiovascular Electrophysiology
https://www.readbyqxmd.com/read/25588700/r-wave-in-avl-lead-is-a-robust-index-of-left-ventricular-hypertrophy-a-cardiac-mri-study
#10
Pierre-Yves Courand, Adrien Grandjean, Paul Charles, Vinciane Paget, Fouad Khettab, Giampiero Bricca, Loïc Boussel, Pierre Lantelme, Brahim Harbaoui
BACKGROUND: In patients free from overt cardiac disease, R wave in aVL lead (RaVL) is strongly correlated with left ventricular mass index (LVMI) assessed by transthoracic echocardiography. The aim of the present study was to extend this finding to other settings (cardiomyopathy or conduction disorders), by comparing ECG criteria of left ventricular hypertrophy (LVH) to cardiac MRI (CMR). METHODS: In 501 patients, CMR and ECG were performed within a median-period of 5 days...
August 2015: American Journal of Hypertension
https://www.readbyqxmd.com/read/25428813/epidemiological-pattern-of-myocardial-infarction-and-modelling-risk-factors-relevant-to-in-hospital-mortality-the-first-results-from-the-iranian-myocardial-infarction-registry
#11
Ali Ahmadi, Hamid Soori, Yadollah Mehrabi, Koorosh Etemad, Arsalan Khaledifar
BACKGROUND: Myocardial infarction (MI) care and treatment contribute greatly to the patients' fatality and mortality. Assessing and monitoring mortalities and the effective factors are necessary in MI care and treatment programs. No comprehensive and population-based study has yet been conducted in Iran to determine the epidemiological pattern of MI, and particularly in-hospital mortality rate and the effective factors. AIM: To determine the epidemiological pattern of MI based on person-, time-, place-, and mortality-associated risk factors...
2015: Kardiologia Polska
https://www.readbyqxmd.com/read/25428143/relationship-between-risk-factors-and-in-hospital-mortality-due-to-myocardial-infarction-by-educational-level-a-national-prospective-study-in-iran
#12
Ali Ahmadi, Arsalan Khaledifar, Homeira Sajjadi, Hamid Soori
INTRODUCTION: Since no hospital-based, nationwide study has been yet conducted on the association between risk factors and in-hospital mortality due to myocardial infarction (MI) by educational level in Iran, the present study was conducted to investigate relationship between risk factors and in-hospital mortality due to MI by educational level. METHODS: In this nationwide hospital-based, prospective analysis, follow-up duration was from definite diagnosis of MI to death...
2014: International Journal for Equity in Health
https://www.readbyqxmd.com/read/25376314/pulmonary-embolism-after-manual-muscle-testing-in-an-incomplete-paraplegic-patient-a-case-report
#13
A Kovindha, P Kammuang-lue
OBJECTIVE: To report and discuss the case of an incomplete paraplegic patient who died of pulmonary embolism (PE) aggravated by manual muscle testing. SETTING: Acute spinal ward, Maharaj Hospital, Chiang Mai, Thailand. CASE REPORT: A 79-year-old man suffering from chest trauma, fractured ribs and a fracture of T11 with incomplete paraplegia, American Spinal Injury Association impairment scale D. Intercostal tubes were inserted at both sides due to haemothorax...
November 2014: Spinal Cord
https://www.readbyqxmd.com/read/25200581/-a-clinicopathological-investigation-of-two-autopsy-cases-of-calpainopathy-lgmd2a
#14
Shuji Hashiguchi, Katsuhito Adachi, Toshio Inui, Yoshiharu Arii, Setsuko Kashiwagi, Miho Saito, Noriko Kagawa, Hisaomi Kawai
In this study, we compared the clinicopathological findings of two autopsy cases of patients with calpainopathy (LGMD2A) from different families. The patient in case 1 was a 72-year-old man with a history of type 2 diabetes mellitus. He exhibited recent memory impairments from the age of 70. ECG revealed an incomplete right bundle branch block. A homozygous frameshift mutation c.1796dupA was found in the CAPN3 gene. Cause of death was respiratory insufficiency and heart failure. The patient in case 2 was a 70-year-old man with a history of hypertension...
September 2014: Brain and Nerve, Shinkei Kenkyū No Shinpo
https://www.readbyqxmd.com/read/25095660/-electrocardiographic-diagnosis-of-rural-emergencies-by-applying-a-tele-ecg-recording-and-analysis-system
#15
G V Riabykina, N A Vishniakova
AIM: To identify emergencies in rural dwellers during electrocardiographic examination using a tele-electrogram (ECG) analysis (Easy ECG) system. MATERIALS AND METHODS: The easy ECG system connected 4 therapeutic-and-prophylactic institutions of a rural area and the town of Uryupinsk with the Research Institute of Cardiology, Russian Cardiology Research-and-Production Complex (Moscow). A total of 1,027 ECGs were recorded and analyzed in March 25, 2013 to November 11, 2013...
2014: Terapevticheskiĭ Arkhiv
https://www.readbyqxmd.com/read/24899483/rapid-retraction-of-a-post-infarction-intramyocardial-dissecting-hematoma
#16
Ebru Özpelit, Özer Badak, Mehmet Emre Özpelit, Ömer Kozan
A 60-year-old male with a recent anterior myocardial infarction (MI) was referred to our hospital for implantable cardioverter defibrillator (ICD) implantation. He was on the 42nd day of MI and clinically stable on admission. Electrocardiography showed right bundle branch block with QS pattern on anterior leads. Transthoracic echocardiographic examination revealed an ejection fraction of 25% with akinesis of the apex and mid-apical segments of anterior and septal walls. In the apical-septal region, a pulsatile cavity with systolic expansion surrounded by a thin endomyocardial border was visualized...
June 2014: Türk Kardiyoloji Derneği Arşivi: Türk Kardiyoloji Derneğinin Yayın Organıdır
https://www.readbyqxmd.com/read/24827797/how-to-recognize-epicardial-origin-of-ventricular-tachycardias
#17
REVIEW
Juan Fernandez-Armenta, Antonio Berruezo
Percutaneous pericardial access for epicardial mapping and ablation of ventricular arrhythmias has expanded considerably in recent years. After its description in patients with Chagas disease, the technique has provided relevant information on the arrhythmia substrate in other cardiomyopathies and has improved the results of ablation procedures in various clinical settings. Electrocardiographic criteria proposed for the recognition of the epicardial origin of ventricular tachycardias are mainly based on analysis of the first QRS components...
August 2014: Current Cardiology Reviews
https://www.readbyqxmd.com/read/24510116/electrocardiographic-abnormalities-in-elderly-chagas-disease-patients-10-year-follow-up-of-the-bambui-cohort-study-of-aging
#18
Antonio Luiz P Ribeiro, Milena S Marcolino, Ronald J Prineas, Maria Fernanda Lima-Costa
BACKGROUND: Electrocardiography has been considered an important tool in the management of Chagas disease (ChD) patients, although its value in elderly infected patients is unknown. This study was designed to investigate the prevalence and prognostic value of electrocardiographic abnormalities in Trypanosoma cruzi infected and noninfected older adults. METHODS AND RESULTS: We studied 1462 participants in Bambuí City, Brazil, with electrocardiogram (ECG) records classified by the Minnesota Code...
2014: Journal of the American Heart Association
https://www.readbyqxmd.com/read/24469750/-masquerading-bundle-branch-block
#19
Piotr Kukla, Adrian Baranchuk, Marek Jastrzębski, Leszek Bryniarski
We here describe a surface 12-lead electrocardiogram (ECG) of a 72-year-old female with a prior history of breast cancer and chemotherapy-induced cardiomyopathy. An echocardiogram revealed left ventricular dysfunction, ejection fraction of 23%, with mild enlarged left ventricle. The 12-lead ECG showed atrial fibrillation with a mean heart rate of about 100 bpm, QRS duration 160 ms, QT interval 400 ms, right bundle branch block (RBBB) and left anterior fascicular block (LAFB). The combination of RBBB features in the precordial leads and LAFB features in the limb leads is known as ''masquerading bundle branch block''...
2014: Kardiologia Polska
https://www.readbyqxmd.com/read/24228641/acute-myocardial-infarction-complicated-by-shock-outcome-analysis-based-on-initial-electrocardiogram
#20
MULTICENTER STUDY
Martin Jakl, Josef Stasek, Petr Kala, Richard Rokyta, Jan Kanovsky, Tomas Ondrus, Milan Hromadka, Petr Widimsky
OBJECTIVES: To assess the relation between initial ECG findings, presence of risk factors, coronary angiography findings, and clinical outcomes in patients with acute myocardial infarction complicated by cardiogenic shock (CS). DESIGN: Data from a total of 5572 acute myocardial infarction patients admitted to the four tertiary hospitals during a period of 3 years were analyzed. CS on admission was present in 358 patients (6.4%). They were divided into four groups based on the admission ECG: ST-segment elevation (STEMI), ST-segment depression (STDMI), bundle branch block (BBBMI), and other ECG acute myocardial infarction...
February 2014: Scandinavian Cardiovascular Journal: SCJ
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