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Condition: Atrial Fibrillation
Procedure: Electrocardiogram

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Total 721 results found since Jan 2013.

Global Survey of the Frequency of Atrial Fibrillation-Associated Stroke: Embolic Stroke of Undetermined Source Global Registry Clinical Sciences
Conclusions— This cross-sectional global sample of patients with recent ischemic stroke shows a substantial frequency of AF-associated stroke throughout the world in proportion to the mean age of the stroke population. Most AF is identified by history or electrocardiography; the yield of conventional short-duration cardiac rhythm monitoring is relatively low. Patients with AF-associated stroke were typically elderly (>75 years old) and more often women.
Source: Stroke - August 21, 2016 Category: Neurology Authors: Perera, K. S., Vanassche, T., Bosch, J., Swaminathan, B., Mundl, H., Giruparajah, M., Barboza, M. A., ODonnell, M. J., Gomez-Schneider, M., Hankey, G. J., Yoon, B.-W., Roxas, A., Lavallee, P., Sargento-Freitas, J., Shamalov, N., Brouns, R., Gagliardi, R. Tags: Atrial Fibrillation, Aging, Women, Ischemic Stroke Clinical Sciences Source Type: research

Electrocardiographic Left Atrial Abnormality and Risk of Stroke: Northern Manhattan Study Clinical Sciences
Conclusions— ECG-defined left atrial abnormality was associated with incident cryptogenic or cardioembolic stroke independently of the presence of AF, suggesting atrial thromboembolism may occur without recognized AF.
Source: Stroke - October 26, 2015 Category: Neurology Authors: Kamel, H., Hunter, M., Moon, Y. P., Yaghi, S., Cheung, K., Di Tullio, M. R., Okin, P. M., Sacco, R. L., Soliman, E. Z., Elkind, M. S. V. Tags: Electrocardiology, Echocardiography, Arrhythmias, clinical electrophysiology, drugs, Embolic stroke, Risk Factors for Stroke Clinical Sciences Source Type: research

Abnormal P-Wave Axis and Ischemic Stroke Clinical Sciences
Conclusions—aPWA is independently associated with ischemic stroke. This association seems to be stronger for cardioembolic strokes. Collectively, our findings suggest that alterations in atrial electric activation may predispose to cardiac thromboembolism independent of atrial fibrillation.
Source: Stroke - July 24, 2017 Category: Neurology Authors: Ankit Maheshwari, Faye L. Norby, Elsayed Z. Soliman, Ryan J. Koene, Mary R. Rooney, Wesley T. O’Neal, Alvaro Alonso, Lin Y. Chen Tags: Arrhythmias, Electrophysiology, Ischemic Stroke Original Contributions Source Type: research

Carotid Atherosclerosis and Stroke in Atrial Fibrillation: The Atherosclerosis Risk in Communities Study Brief Reports
Conclusions— Increased cIMT and presence of carotid plaque are associated with increased risk of ischemic stroke in individuals with AF. Furthermore, they may improve risk prediction of stroke, over and above the CHA2DS2-VASc score.
Source: Stroke - May 22, 2016 Category: Neurology Authors: Bekwelem, W., Jensen, P. N., Norby, F. L., Soliman, E. Z., Agarwal, S. K., Lip, G. Y. H., Pan, W., Folsom, A. R., Longstreth, W. T., Alonso, A., Heckbert, S. R., Chen, L. Y. Tags: Atrial Fibrillation, Risk Factors, Ischemic Stroke, Atherosclerosis Brief Reports Source Type: research

Improved Detection of Silent Atrial Fibrillation Using 72-Hour Holter ECG in Patients With Ischemic Stroke: A Prospective Multicenter Cohort Study Clinical Sciences
Conclusions— In unselected survivors of stroke or TIA, 72-hour ECG monitoring is feasible and improves the detection rate of silent paroxysmal AF.
Source: Stroke - November 25, 2013 Category: Neurology Authors: Grond, M., Jauss, M., Hamann, G., Stark, E., Veltkamp, R., Nabavi, D., Horn, M., Weimar, C., Kohrmann, M., Wachter, R., Rosin, L., Kirchhof, P. Tags: Acute Cerebral Infarction, Arrhythmias, clinical electrophysiology, drugs, Embolic stroke, Anticoagulants Clinical Sciences Source Type: research

Atrial Cardiopathy and the Risk of Ischemic Stroke in the CHS (Cardiovascular Health Study) Clinical Sciences
Conclusions—In addition to clinically apparent AF, other evidence of abnormal atrial substrate is associated with subsequent ischemic stroke. This finding is consistent with the hypothesis that thromboembolism from the left atrium may occur in the setting of several different manifestations of atrial disease.
Source: Stroke - March 26, 2018 Category: Neurology Authors: Hooman Kamel, Traci M. Bartz, Mitchell S.V. Elkind, Peter M. Okin, Evan L. Thacker, Kristen K. Patton, Phyllis K. Stein, Christopher R. deFilippi, Rebecca F. Gottesman, Susan R. Heckbert, Richard A. Kronmal, Elsayed Z. Soliman, W.T. Longstreth Jr Tags: Arrhythmias, Cardiomyopathy, Echocardiography, Electrocardiology (ECG), Ischemic Stroke Original Contributions Source Type: research

P-Wave Indices and Risk of Ischemic Stroke Clinical Sciences
Background and Purpose—Atrial cardiomyopathy is associated with an increased risk of ischemic stroke. P-wave terminal force in lead V1, P-wave duration, and maximum P-wave area are electrocardiographic parameters that have been used to assess left atrial abnormalities related to developing atrial fibrillation. The aim of this systematic review and meta-analysis was to examine their values for predicting ischemic stroke risk.Methods—PubMed and EMBASE databases were searched until December 2016 for studies that evaluated the association between P-wave indices and stroke risk. Both fixed- and random-effects models were us...
Source: Stroke - July 24, 2017 Category: Neurology Authors: Jinli He, Gary Tse, Panagiotis Korantzopoulos, Konstantinos P. Letsas, Sadeq Ali-Hasan-Al-Saegh, Hooman Kamel, Guangping Li, Gregory Y.H. Lip, Tong Liu Tags: Risk Factors, Electrocardiology (ECG), Complications, Meta Analysis, Cerebrovascular Disease/Stroke Original Contributions Source Type: research

Electrocardiographic Assessment of Coronary Artery Disease and Stroke Risk Factors in Rural and Urban Tanzania: A Case–control Study
Conclusions: This is the first published study of ECG assessment of CAD and other stroke risk factors in an incident population of stroke cases in sub-Saharan Africa. It suggests that concomitant CAD in black African stroke cases is more common than previously suggested.
Source: Journal of Stroke and Cerebrovascular Diseases - April 1, 2013 Category: Neurology Authors: Richard W. Walker, Matthew Dewhurst, William K. Gray, Ahmed Jusabani, Eric Aris, Nigel Unwin, Mark Swai, Philip C. Adams, Ferdinand Mugusi Tags: Original Articles Source Type: research

Troponin Elevation Predicts Atrial Fibrillation in Patients with Stroke or Transient Ischemic Attack
Conclusions: cTnI elevation predicts new-onset AF on 24-hour Holter measurement in patients with acute ischemic stroke or TIA and may indicate a poorer prognosis and a higher risk of stroke, MI, and death at 3 months.
Source: Journal of Stroke and Cerebrovascular Diseases - February 17, 2012 Category: Neurology Authors: Isabelle Beaulieu-Boire, Nancy Leblanc, Léo Berger, Jean-Martin Boulanger Tags: Original Articles Source Type: research

Brain Natriuretic Peptide: A Relevant Marker to Rule Out Delayed Atrial Fibrillation in Stroke Patient
Detection of new atrial fibrillation (AF) after ischemic stroke is challenging. The aim of the TARGET-AF study was to identify relevant markers for ruling out delayed AF in stroke patients. Early and prolonged Holter electrocardiography (ECG) monitoring during hospitalization was performed systematically in consecutive acute stroke patients naive to AF (no history of AF or no AF on baseline ECG). All clinical and paraclinical data for routine etiologic assessment were collected. The diagnostic value of all parameters significantly associated with AF was assessed by comparison of area under the receiver operating characteri...
Source: Journal of Stroke and Cerebrovascular Diseases - September 25, 2012 Category: Neurology Authors: Laurent Suissa, Saskia Bresch, Sylvain Lachaud, Marie Hélène Mahagne Tags: Original Articles Source Type: research

Optimal Timing and Duration of Continuous Electrocardiographic Monitoring for Detecting Atrial Fibrillation in Stroke Patients
Conclusions: We suggest that in order to enhance the detection rate of AF, CEM could be generalized in the stroke unit. It must be started early in patients with acute stroke and prolonged over a minimum of 4 days.
Source: Journal of Stroke and Cerebrovascular Diseases - February 20, 2012 Category: Neurology Authors: Laurent Suissa, Sylvain Lachaud, Marie Hélène Mahagne Tags: Original Articles Source Type: research

Does the Magnitude of the Electrocardiogram QT Interval Dispersion Predict Stroke Outcome? (P7.154)
CONCLUSIONS: We were unable to demonstrate that QTd is useful in predicting clinical outcome at discharge in AIS.Disclosure: Dr. Lederman has nothing to disclose. Dr. Steinberg has nothing to disclose. Dr. Balucani has nothing to disclose. Dr. Philip has nothing to disclose. Dr. Lazar has nothing to disclose. Dr. Weedon has nothing to disclose. Dr. Mirchandani has nothing to disclose. Dr. Viticchi has nothing to disclose. Dr. Falsetti has nothing to disclose. Dr. Silvestrini has nothing to disclose. Dr. Gugger has nothing to disclose. Dr. Aharonoff has nothing to disclose. Dr. Piran has nothing to disclose. Dr. Adler has n...
Source: Neurology - April 9, 2014 Category: Neurology Authors: Lederman, Y., Steinberg, L., Balucani, C., Philip, C., Lazar, J., Weedon, J., Mirchandani, G., Viticchi, G., Falsetti, L., Silvestrini, M., Gugger, J., Aharonoff, D., Piran, P., Adler, Z., Levine, S. Tags: Cerebrovascular Disease and Interventional Neurology: Predictors of Outcome After Ischemic Stroke Source Type: research

Canadian Stroke Best Practice Recommendations: secondary prevention of stroke guidelines, update 2014
Every year, approximately 62 000 people with stroke and transient ischemic attack are treated in Canadian hospitals. The 2014 update of the Canadian Secondary Prevention of Stroke guideline is a comprehensive summary of current evidence‐based recommendations for clinicians in a range of settings, who provide care to patients following stroke. Notable changes in this 5th edition include an emphasis on treating the highest risk patients who present within 48 h of symptom onset with transient or persistent motor or speech symptoms, who need to be transported to the closest emergency department with capacity for advanced...
Source: International Journal of Stroke - December 23, 2014 Category: Neurology Authors: Shelagh B. Coutts, Theodore H. Wein, M. Patrice Lindsay, Brian Buck, Robert Cote, Paul Ellis, Norine Foley, Michael D. Hill, Sharon Jaspers, Albert Y. Jin, Brenda Kwiatkowski, Carolyn MacPhail, Dana McNamara‐Morse, Michael S. McMurtry, Tania Mysak, Andr Tags: Guidelines Source Type: research

Electrocardiographic RR Interval Dynamic Analysis to Identify Acute Stroke Patients at High Risk for Atrial Fibrillation Episodes During Stroke Unit Admission
AbstractPatients at short-term risk of paroxysmal atrial fibrillation (PAF) often exhibit increased RR interval variability during sinus rhythm. We studied if RR dynamic analysis, applied in the first hours after stroke unit (SU) admission, identified acute ischemic stroke patients at higher risk for subsequent PAF episodes detected within the SU hospitalization. Acute ischemic stroke patients underwent continuous cardiac monitoring (CCM) using standard bedside monitors immediately after SU admission. The CCM tracks from the first 48  h were analyzed using a telemedicine service (SRA clinic, Apoplex Medical, Germany). Bas...
Source: Translational Stroke Research - July 3, 2018 Category: Neurology Source Type: research

Association between Paroxysmal Atrial Fibrillation and the Left Atrial Appendage Ejection Fraction during Sinus Rhythm in the Acute Stage of Stroke: A Transesophageal Echocardiographic Study
This study aimed to investigate whether left atrial appendage (LAA) dysfunction evaluated by transesophageal echocardiography (TEE) during sinus rhythm is predictable of paroxysmal atrial fibrillation (PAF) as an embolic source in the acute stage of stroke.Methods and Results: We measured and analyzed LAA flow velocity (LAA-FV) and LAA ejection fraction (LAA-EF) in 300 acute ischemic stroke patients by TEE. We divided the acute ischemic stroke patients into 3 groups. The atrial fibrillation (AF) group (n = 58) comprised patients whose TEE was performed during AF rhythm. The PAF group (n = 42) comprised patients with a hist...
Source: Journal of Stroke and Cerebrovascular Diseases - April 22, 2013 Category: Neurology Authors: Takahiro Shimizu, Tatsuro Takada, Atsuko Shimode, Yuichi Fujita, Noriko Usuki, Bunta Kato, Satoshi Takaishi, Toshikazu Hirayama, Kazuhiko Hanzawa, Yasuhiro Hasegawa Tags: Original Articles Source Type: research