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("ECG" OR " EKG") AND "Electrolyte Disturbance"

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https://www.readbyqxmd.com/read/29484613/limited-evidence-for-risk-factors-for-proarrhythmia-and-sudden-cardiac-death-in-patients-using-antidepressants-dutch-consensus-on-ecg-monitoring
#1
Mirjam Simoons, Adrie Seldenrijk, Hans Mulder, Tom Birkenhäger, Mascha Groothedde-Kuyvenhoven, Rob Kok, Cornelis Kramers, Wim Verbeeck, Mirjam Westra, Eric van Roon, Roberto Bakker, Henricus Ruhé
Currently, there is a lack of international and national guidelines or consensus documents with specific recommendations for electrocardiogram (ECG) screening and monitoring during antidepressant treatment. To make a proper estimation of the risk of cardiac arrhythmias and sudden (cardiac) death during antidepressant use, both the drug and patient-specific factors should be taken into account; however, solid evidence on how this should be done in clinical practice is lacking. Available recommendations on the management of QT(c) prolongation (with antidepressant treatment) emphasize that special attention should be given to high-risk patients; however, clinicians are in need of more concrete suggestions about how to select patients for ECG screening and monitoring...
July 2018: Drug Safety: An International Journal of Medical Toxicology and Drug Experience
https://www.readbyqxmd.com/read/29145303/epicardial-radiofrequency-catheter-ablation-of-brugada-syndrome-with-electrical-storm-during-ventricular-fibrillation-a-case-report
#2
Shufen Jiang, Xiaomeng Yin, Chang Dong, Yunlong Xia, Jinqiu Liu
RATIONALE: Brugada syndrome (BrS) is characterized by ST segment elevation at the J point ≥2 mm in the right precordial electrocardiogram (ECG) leads, in the absence of structural heart disease, electrolyte disturbances, or ischemia. It is a well-described cause of sudden death in young patients, especially in the age of between 30 and 40 years old. Here, we reported an unusual case of electrical storm (ES) of ventricular fibrillation (VF) caused by BrS with complete right bundle-branch block (CRBBB) in a 75-year-old male patient...
November 2017: Medicine (Baltimore)
https://www.readbyqxmd.com/read/29107482/prevalence-and-outcome-of-high-risk-qt-prolongation-recorded-in-the-emergency-department-from-an-institution-wide-qt-alert-system
#3
Heather N Anderson, J Martijn Bos, Kristina H Haugaa, Bruce W Morlan, Robert F Tarrell, Pedro J Caraballo, Michael J Ackerman
BACKGROUND: QT prolongation is an independent risk factor for sudden death, stroke, and all-cause mortality. However, additional studies have shown that in certain settings, QT prolongation may be transient and a result of external factors. OBJECTIVE: In this study, we evaluated the clinical characteristics and outcomes of patients seen in the emergency department (ED) with QT prolongation. METHODS: Between November 2010 and June 2011, 7522 patients had an electrocardiogram (ECG) obtained during their evaluation in the ED...
January 2018: Journal of Emergency Medicine
https://www.readbyqxmd.com/read/28326201/hyperkalemia-induced-brugada-phenocopy-a-rare-ecg-manifestation
#4
Muhammad Ameen, Ghulam Akbar, Naeem Abbas, Ghazi Mirrani
Brugada syndrome (BrS) is an inherited disorder of cardiac ion channels characterized by peculiar ECG findings predisposing individuals to ventricular arrhythmias, syncope, and sudden cardiac death (SCD). Various electrolyte disturbances and ion channels blocking drugs could also provoke BrS ECG findings without genetic BrS. Clinical differentiation and recognition are essential for guiding the legitimate action. Hyperkalemia is well known to cause a wide variety of ECG manifestations. Severe hyperkalemia can even cause life threatening ventricular arrhythmias and cardiac conduction abnormalities...
2017: Case Reports in Cardiology
https://www.readbyqxmd.com/read/27301674/a-new-paradigm-for-predicting-risk-of-torsades-de-pointes-during-drug-development-commentary-on-improved-prediction-of-drug-induced-torsades-de-pointes-through-simulations-of-dynamics-and-machine-learning-algorithms
#5
COMMENT
M D McCauley, D Darbar
Drug-induced long QT syndrome (diLQTS) is a clinical entity in which administration of a drug produces marked prolongation of the QT interval on the ECG. DiLQTS places a patient at risk of developing Torsades de Pointes (TdP), a malignant polymorphic ventricular tachycardia associated with arrhythmic sudden cardiac death (SCD). In addition to diLQTS, other clinical risk factors for TdP include female gender, bradycardia, electrolyte disturbances, recent conversion to normal (sinus) rhythm, and congenital LQTS...
October 2016: Clinical Pharmacology and Therapeutics
https://www.readbyqxmd.com/read/26910573/brugada-phenocopy-induced-by-electrolyte-disorder-a-transient-electrocardiographic-sign
#6
Aysel Hunuk, Burak Hunuk, Ozlem Kusken, Ozge Ecmel Onur
Brugada syndrome (BrS) is an important cause of sudden cardiac death (SCD) with well-defined ST-segment elevation patterns on V1 -V3 . Observation of BrS-Type-electrocardiogram (ECG) patterns in medical conditions without true BrS is called "Brugada Phenocopy" (BrP). We present a case of 61-year-old male patient with hyperkalemia, hyponatremia, and BrS-Type-1 ECG pattern in the setting of acute postrenal failure. He was denying any syncope or family history of SCD. With normalization of electrolyte levels, BrS-Type-1-ECG resolved...
July 2016: Annals of Noninvasive Electrocardiology
https://www.readbyqxmd.com/read/26578217/-electrocardiographic-abnormalities-in-anorexia-nervosa-a-critical-review-of-the-literature
#7
REVIEW
Cristian Vargas Upegui, Juliana Gómez
BACKGROUND: Anorexia nervosa is an eating disorder in which cardiac arrhythmias and sudden death are frequent causes of mortality, which makes electrocardiographic monitoring indispensable in these patients. There are many suggestive findings but results are contradictory, making a critical review of the scientific literature is necessary. METHODS: The most relevant studies on electrocardiographic (EKG) changes in patients with AN, found in PubMed from 1974 to February 2014, were reviewed using the MeSH terms: eating disorders, nervosa anorexia, sinus bradycardia, QT prolongation, QT dispersion, electrocardiography, EKG, and electrocardiogram...
January 2015: Revista Colombiana de Psiquiatría
https://www.readbyqxmd.com/read/26490999/just-hypercalcaemia-or-acute-st-elevation-myocardial-infarction-a-review-of-hypercalcaemia-related-electrocardiographic-changes
#8
Soumya Patnaik, Yu Kuang Lai
In elderly patients presenting with confusion and recurrent falls, conditions including infection, acute stroke, acute coronary events and electrolyte abnormalities have to be strongly considered as diagnostic possibilities. ECG is a non-invasive test that often serves as a useful tool in suggesting the underlying electrolyte disturbance. However, ECG must be interpreted with caution as it can, at times, be misleading, as in this case of hypercalcaemia seen by us. We discuss the different ECG findings in hypercalcaemic situations...
October 21, 2015: BMJ Case Reports
https://www.readbyqxmd.com/read/26131342/reverse-or-inverted-apical-ballooning-in-a-case-of-refeeding-syndrome
#9
Pablo Robles, Isabel Monedero, Amador Rubio, Javier Botas
Takotsubo cardiomyopathy is characterized by the development of transient left ventricular regional wall motion abnormalities, in the absence of significant coronary artery obstruction. This syndrome usually occurs in women and is frequently associated with an intense emotional or physical stress. It usually involves apical segments, but in the recent years atypical forms have been described. Inverted or reverse Takotsubo is a variant in which the basal and midventricular segments are hypokinetic, sparing contractile function of the apex...
June 26, 2015: World Journal of Cardiology
https://www.readbyqxmd.com/read/25192814/-fixing-a-heart-the-game-of-electrolytes-in-anorexia-nervosa
#10
Jean Abed, Hani Judeh, Elie Abed, Matthew Kim, Haword Arabelo, Rajan Gurunathan
CASE: A 25-year-old woman with chronic anorexia nervosa and depression presented with sudden weakness and fatigue. Psychosocial history was notable for binge-starve cycles over the past year and a decline in overall well-being. Vitals on presentation were notable for hypothermia, hypotension, and bradycardia. Initial exam was significant for emaciation, lethargy, and lower extremity edema. Laboratory work-up revealed markedly elevated LFTs, hypoglycemia, thrombocytopenia and elevated INR and lipase...
2014: Nutrition Journal
https://www.readbyqxmd.com/read/24856226/a-rare-case-of-silent-transmural-myocardial-infarction-with-diffuse-st-elevations-complicated-by-concomitant-severe-hyperkalemia
#11
Mokhtar Abdallah, Rehan Raza, Tarek Abdallah, Donald McCord, Georges Khoueiry
It is well described that certain group of patients do not display the typical symptoms of myocardial infarction (MI). Elderly patients, diabetics and those with previous coronary artery bypass graft surgery are at high risk for silent MI. The diagnosis of Acute MI in the emergency room (ER) is mainly based on the electrocardiogram (EKG) findings of ST elevations or new onset left bundle branch block which is supported by the clinical presentation and positive biomarkers when present. The diagnoses can sometimes become challenging when the patient is asymptomatic and has coincidental finding of hyperkalemia with diffuse ST segment elevations simulating that seen with electrolyte disturbance...
July 2014: Heart & Lung: the Journal of Critical Care
https://www.readbyqxmd.com/read/24847993/qtc-prolongation-with-antipsychotics-is-routine-ecg-monitoring-recommended
#12
REVIEW
Asim A Shah, Awais Aftab, John Coverdale
Whether or not QTc interval should be routinely monitored in patients receiving antipsychotics is a controversial issue, given logistic and fiscal dilemmas. There is a link between antipsychotic medications and prolongation of QTc interval, which is associated with an increased risk of torsade de pointes (TdP). Our goal is to provide clinically practical guidelines for monitoring QTc intervals in patients being treated with antipsychotics. We provide an overview of the pathophysiology of the QT interval, its relationship to TdP, and a discussion of the QT prolonging effects of antipsychotics...
May 2014: Journal of Psychiatric Practice
https://www.readbyqxmd.com/read/24397608/drug-induced-long-qt-syndrome-and-fatal-arrhythmias-in-the-intensive-care-unit
#13
REVIEW
S Beitland, E S Platou, K Sunde
Long QT syndrome (LQTS) is a genetic or acquired condition characterised by a prolonged QT interval on the surface electrocardiogram (ECG) and is associated with a high risk of sudden cardiac death because of polymorph ventricular tachyarrhythmia called Torsade de Pointes arrhythmia. Drug-induced LQTS can occur as a side effect of commonly used cardiac and non-cardiac drugs in predisposed patients, often with baseline QT prolongation lengthened by medication and/or electrolyte disturbances. Hospitalised patients often have several risk factors for proarrhythmic response, such as advanced age and structural heart disease...
March 2014: Acta Anaesthesiologica Scandinavica
https://www.readbyqxmd.com/read/24147860/brugada-phenocopy-clinical-reproducibility-demonstrated-by-recurrent-hypokalemia
#14
Natalia R Genaro, Daniel D Anselm, Nahuel Cervino, Ariel O Estevez, Carlos Perona, Alejandro M Villamil, Ruben Kervorkian, Adrian Baranchuk
Brugada phenocopies (BrP) are clinical entities that are etiologically distinct from true congenital Brugada syndrome (BrS). BrP are characterized by type 1 or type 2 Brugada electrocardiogram (ECG) patterns in precordial leads V1 -V3 ; however, BrP are elicited by various underlying clinical conditions such as electrolyte disturbances, myocardial ischemia, or poor ECG filters. In this report, we describe the first case of clinically reproducible BrP which is important to the conceptual evolution of BrP.
July 2014: Annals of Noninvasive Electrocardiology
https://www.readbyqxmd.com/read/22926351/risk-factors-for-intraoperative-arrhythmias-in-general-surgery-patients-operated-under-general-anesthesia-our-one-year-experience
#15
Milivoje P Dostić, Marina T Tomović, Marija T Popović-Milenković, Srđan M Stefanović, Slobodan M Janković
AIM: To analyze the importance of previously un-investigated (or not completely investigated) potential risk factors for new-onset intra-operative arrhythmias in general surgery patients, operated under general anesthesia. METHODS: In this case-control study the population consisted of all patients who underwent elective non-cardiovascular, non-thoracic surgery under general inhalation anesthesia during the period of 12 months in a secondary care hospital in Foča, Republic of Srpska, Bosnia and Herzegovina, and were classified according to the American Society of Anesthesiologists classification to class I or II...
August 2012: Medicinski Glasnik
https://www.readbyqxmd.com/read/22700072/prolonged-qt-interval-in-bulimia-nervosa
#16
Ryan Buchanan, Joseph Ngwira, Khaled Amsha
A 39-year-old woman with an unremarkable history presented to the emergency department with three episodes of collapse. Each episode was witnessed by her son who described a loss of consciousness followed by rapid and complete recovery. The patient appeared well and examination was unremarkable. Her ECG showed a marked QTc prolongation of 642 ms (normal <470 ms) and low serum potassium at 1.8 mmol/l (3.5-5.3 mmol/l). The patient was moved to the coronary care unit and started on potassium replacement. On the ward a thorough history was taken and the patient confessed to being very conscious about his body shape and weight and admitted to episodes of binge eating and self induced vomiting...
2011: BMJ Case Reports
https://www.readbyqxmd.com/read/22572505/st-segment-elevation-and-ventricular-tachycardia-after-ingestion-of-a-common-ornamental-plant-a-case-report
#17
Rami A Jambeih, Wassim H Shaheen, Vuy Y Li, Mazen H Shaheen
Japanese yew is a widely used ornamental plant. However, most people are unaware that it is also a poisonous plant. It has potent cardiac toxicities that can lead to sudden cardiac death. A 37-year-old female patient presented to the emergency room with altered mental status and sustained ventricular tachycardia (VT). Electrocardiogram (ECG) after cardioversion showed profound QRS prolongation and ST-segment elevation suggestive of either hyperkalaemia, acute myocardial ischaemia, or Brugada syndrome. Her electrolytes and coronary angiography were normal...
March 2012: Indian Heart Journal
https://www.readbyqxmd.com/read/22455095/atrial-flutter-in-normal-heart-could-be-first-manifestation-of-brugada-syndrome
#18
Carlo De Asmundis, Antonio Sorgente, Pedro Brugada
Brugada syndrome is one of the important causes of sudden cardiac death in young adults. The condition is associated with typical ECG changes in anteroseptal leads V1 and V2 that can be unmasked by various medications, electrolyte disturbances, and even by fever in susceptible individuals. We here report the case of a 22-year-old female admitted to the emergency room with a typical atrial flutter who developed Brugada-like ECG changes after conversion to sinus rhythm following flecainide infusion with subsequent degeneration in ventricular fibrillation...
February 2012: Acta Cardiologica
https://www.readbyqxmd.com/read/22381725/-review-of-cases-of-prolonged-qtc-and-wave-burst-arrhythmia-in-patients-treated-with-methadone
#19
REVIEW
X Laqueille, S Richa, H Kerbage, C Scart-Gres, M-P Berleur
INTRODUCTION: For the past 40 years, methadone has been known to be an efficient treatment of substitution. Its use allowed a significant reduction in the mortality related to opioid addiction. Since 2001, many articles have reported some cases of syncope, wave burst arrhythmia, ventricular tachycardia due to prolonged QT interval and sudden death secondary to cardiac arrest, with a risk of prolongation of the QT interval above 440 ms (men) and 460 ms (women). Many explorations have helped in understanding the physiopathology by showing that opioids, including methadone, cause a blockage of the potassium channels of the gene HERG K+P...
February 2012: L'Encéphale
https://www.readbyqxmd.com/read/22174173/a-rare-electrocardiographic-manifestation-of-a-rare-form-of-multiple-electrolyte-disturbances-hyperparathyroid-crisis
#20
Shokoufeh Hajsadeghi, Mitra Chitsazan, Seyed Javad Miresmail
The surface electrocardiogram (ECG) has been used as a useful method for detection of metabolic disturbances for a long time. However, it may be difficult to distinguish the exact disturbance when more than one metabolic abnormality exists in a patient simultaneously. Although, "classic" ECG characterizations of common electrolyte disturbances are well described, multiple concurrent electrolyte disturbances may lead to ECG abnormalities that may not be easily detectable. This ECG concerns a 60-year-old male presented with general fatigue, weakness, epigastric pain, anorexia, nausea and extreme hypercalcemia (serum total and ionized calcium levels 20...
2011: Acta Medica Iranica
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