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Specialty: Cardiology
Condition: Ventricular Tachycardia

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Total 117 results found since Jan 2013.

New-onset atrial fibrillation in patients with elevated troponin I levels in the acute phase of stroke
Troponin I (TnI) increase in the acute phase of stroke may be due to the presence of acute coronary syndrome (ACS), other medical conditions and/or neurogenic-induced cardiac injury, especially in stroke involving the insula of the right brain hemisphere [1]. In this case, damage to cardiomyocytes is probably due to the rapid release of catecholamines into the bloodstream as a result of sympathoadrenal activation [2,3]. The consequences of cardiac injury may include new-onset arrhythmias, such as multifocal ventricular beats, couplets and unsustained ventricular tachycardia or atrial fibrillation (AF) [3].
Source: International Journal of Cardiology - May 25, 2015 Category: Cardiology Authors: Anetta Lasek-Bal, Zbigniew Gąsior, Teresa Kowalewska-Twardela, Tomasz Urbanek Source Type: research

Safety of Ventricular Tachycardia Ablation in Clinical Practice: Findings from 9699 Hospital Discharge Records Original Articles
Conclusions— VT ablation–associated AE rates in clinical practice are similar to those reported in the literature. Over time rates have increased as have the number of AE risk factors per patient. Ablations done electively and at hospitals with higher procedural volume are associated with lower incidence of AEs.
Source: Circulation: Arrhythmia and Electrophysiology - April 21, 2015 Category: Cardiology Authors: Katz, D. F., Turakhia, M. P., Sauer, W. H., Tzou, W. S., Heath, R. R., Zipse, M. M., Aleong, R. G., Varosy, P. D., Kao, D. P. Tags: Health policy and outcome research, Ablation/ICD/surgery Original Articles Source Type: research

Detection of paroxysmal atrial fibrillation by prolonged electrocardiographic recording after ischaemic stroke in patients aged
CONCLUSION: This prospective observational study showed a low rate of paroxysmal AF among young patients presenting with stroke, on the basis of 21-day cardiac monitoring. This result highlights the need to identify patients who would benefit from such long monitoring. PMID: 25669959 [PubMed - as supplied by publisher]
Source: Archives of Cardiovascular Diseases - February 7, 2015 Category: Cardiology Authors: Yayehd K, Irles D, Akret C, Vadot W, Rodier G, Berremili T, Perenet S, Chevallier-Grenot M, Belle L, Dompnier A Tags: Arch Cardiovasc Dis Source Type: research

Perioperative risk of major non-cardiac surgery in patients with severe aortic stenosis: a reappraisal in contemporary practice
Conclusion Severe aortic stenosis is associated with increased risk of MACE. In contemporary practice, perioperative mortality of patients with SAS is lower than previously reported and the difference from controls did not reach statistical significance. Emergency surgery is the strongest predictor of post-operative death. These results have implications for perioperative risk assessment and management strategies in patients with SAS.
Source: European Heart Journal - September 14, 2014 Category: Cardiology Authors: Tashiro, T., Pislaru, S. V., Blustin, J. M., Nkomo, V. T., Abel, M. D., Scott, C. G., Pellikka, P. A. Tags: Valvular heart disease Source Type: research

Optimal Blood Pressure in Patients With Atrial Fibrillation (from the AFFIRM Trial)
Many medications used to treat atrial fibrillation (AF) also reduce blood pressure (BP). The relation between BP and mortality is unclear in patients with AF. We performed a post hoc analysis of 3,947 participants from the Atrial Fibrillation Follow-Up Investigation of Rhythm Management trial. Systolic blood pressure (SBP) and diastolic blood pressure (DBP) at baseline and follow-up were categorized by 10-mm Hg increments. The end points were all-cause mortality (ACM) and secondary outcome (combination of ACM, ventricular tachycardia and/or fibrillation, pulseless electrical activity, significant bradycardia, stroke, major...
Source: The American Journal of Cardiology - June 20, 2014 Category: Cardiology Authors: Apurva O. Badheka, Nileshkumar J. Patel, Peeyush M. Grover, Neeraj Shah, Nilay Patel, Vikas Singh, Abhishek J. Deshmukh, Kathan Mehta, Ankit Chothani, Ghanshyambhai T. Savani, Shilpkumar Arora, Ankit Rathod, George R. Marzouka, James Lafferty, Jawahar L. Tags: Systemic Hypertension Source Type: research

Clinical Spectrum of Isolated Left Ventricular Noncompaction Thromboembolic Events, Malignant Left Ventricular Arrhythmias, and Refractory Heart Failure
A 17-year-old boy presented with cardioembolic stroke. Echocardiography and cardiac magnetic resonance imaging (MRI) (A and B: arrows indicate left ventricular trabecular meshwork with deep intertrabecular spaces; Online Videos 1, 2, 3, and 4) fitted the diagnostic criteria for isolated myocardial noncompaction. MRI showed late gadolinium enhancement (LGE) of the apex with transmural distribution (C and D, arrows) and of the interventricular septum with intramyocardial distribution (C, arrowhead). An implantable cardioverter-defibrillator was implanted after sustained ventricular tachycardia. Electroanatomic voltage mappin...
Source: Journal of the American College of Cardiology: Cardiovascular Interventions - April 21, 2014 Category: Cardiology Source Type: research

Understanding Digoxin
 Most of us have heard of, or encountered a patient taking Digoxin at some point in our carreers. But, do we understand what it is and how it affects our patient?    Digoxin (Lanoxin), is a Cardiac Glycoside, derived from the foxglove plant, Digitalis. This medication is often seen in the pre-hospital setting, used for the treatment of:    Heart Failure (HF) with reduced Systolic Function   Atrial Fibrillation (AF) and Atrial Flutter (A-flutter) associated with Rapid Ventricular Response (RVR)   Cardiomyopathies   Often combined with Calcium and Beta Channel Blockers, Angiot...
Source: EMS 12-Lead - January 10, 2014 Category: Cardiology Authors: Ivan Rios Tags: Atrial Fibrillation Bidirectional Ventricular Tachycardia Digoxin Digoxin toxicity Heart Failure Source Type: research

Patients treated with catheter ablation for ventricular tachycardia after an ICD shock have lower long-term rates of death and heart failure hospitalization than do patients treated with medical management only
Background: Ventricular arrhythmias in patients with implantable cardioverter-defibrillators (ICDs) adversely affect outcomes. Antiarrhythmic approaches to ventricular tachycardia (VT) have variable efficacy and may increase risk of ventricular arrhythmias, worsening cardiomyopathy, and death. Comparatively, VT ablation is an alternative approach that may favorably affect outcomes.Objective: To further explore the effect on long-term outcomes after catheter ablation of VT, we compared patients with history of ICD shocks who did not undergo ablation, patients with a history of ICD shocks that underwent ablation, and patient...
Source: Heart Rhythm - December 12, 2013 Category: Cardiology Authors: T. Jared Bunch, J. Peter Weiss, Brian G. Crandall, John D. Day, Heidi T. May, Tami L. Bair, Jeffrey S. Osborn, Charles Mallender, Avi Fischer, Kyle J. Brunner, Srijoy Mahapatra Tags: Ventricular Tachycardia Source Type: research

Epidemiology of arrhythmias and sudden cardiac death in Asia.
Abstract Cardiac arrhythmias are cardiac rhythm disorders that comprise an important epidemiological and public health problem. Cardiac arrhythmias are significantly associated with increased risks of cardiovascular complications and sudden death, consequently leading to decreased quality of life, disability, high mortality, and healthcare expense. Atrial fibrillation (AF) is the most common sustained arrhythmia, and has been further increasing with the aging of society. Although the prevalence is relatively lower in Asians than in Westerners, the prognostic impacts on stroke and mortality in Asians are comparable...
Source: Circulation Journal - September 25, 2013 Category: Cardiology Authors: Murakoshi N, Aonuma K Tags: Circ J Source Type: research

Abstract 315: Feasibility of outpatient ambulatory ECG monitoring to screen for silent atrial fibrillation: Pilot Findings from Screening Trial for Undiagnosed Atrial Fibrillation (STUDY-AF) Poster Session III
CONCLUSION: Ambulatory screening of asymptomatic arrhythmias using the Zio® Patch is feasible; however the diagnostic yield for silent AF may be low, even among patients with established AF risk factors. Our study found a high prevalence of incidental asymptomatic SVT and NSVT. A larger trial with more targeted enrollment may be required to demonstrate the value of screening for AF. The impact of detecting incidental NSVT or SVT, which themselves could prompt evaluation and may be relevant to development of AF, requires further investigation.
Source: Circulation: Cardiovascular Quality and Outcomes - May 15, 2013 Category: Cardiology Authors: Ullal, A. J., Hoang, D. D., Than, C., Heidenreich, P. A., Miller, J. D., Friday, K., Froelicher, V. F., Turakhia, M. P. Tags: Poster Session III Source Type: research

Abstract 201: Predictors of Stroke in Hospitalized Patients with Thrombotic Thrombocytopenic Purpura Poster Session II
Conclusion: Stroke develops in 8.16% of patients admitted with TTP. The independent predictors of stroke in this group of patients are age, white race, dyslipidemia, and AMI.
Source: Circulation: Cardiovascular Quality and Outcomes - May 15, 2013 Category: Cardiology Authors: Subramanian, K. S., Kolte, D., Syed, R. Z., Balasubramaniyam, N., Palaniswamy, C., Aronow, W. S., Harikrishnan, P., Sule, S., Peterson, S. J. Tags: Poster Session II Source Type: research