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Extrasystole

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1. Prevalence and Temporal Distribution of Extrasystoles in Septic ICU Patients: The Feasibility of Predicting Fluid Responsiveness Using Extrasystoles Full Text available with Trip Pro

Prevalence and Temporal Distribution of Extrasystoles in Septic ICU Patients: The Feasibility of Predicting Fluid Responsiveness Using Extrasystoles Extrasystoles may be useful for predicting the response to fluid therapy in hemodynamically unstable patients but their prevalence is unknown. The aim of this study was to estimate the availability of extrasystoles in intensive care unit patients diagnosed with sepsis. The study aim was not to validate the fluid responsiveness prediction ability (...) of extrasystoles.Twenty-four-hour ECG recordings from a convenience sample of 50 patients diagnosed with sepsis were extracted from the MIMIC-II waveform database, and ECGs were visually examined for correct QRS complex detection. Custom-made algorithms identified potential extrasystoles based on RR intervals. Two raters visually confirmed or rejected the potential extrasystoles and then classified them as ventricular, supraventricular, or unknown origin. Extrasystole availability was calculated as extrasystolic

2018 Critical care research and practice

2. Extrasystoles for fluid responsiveness prediction in critically ill patients Full Text available with Trip Pro

Extrasystoles for fluid responsiveness prediction in critically ill patients Fluid responsiveness prediction with continuously available monitoring is an unsettled matter for the vast majority of critically ill patients, and development of new and reliable methods is desired. We hypothesized that the post-ectopic beat, which is associated with increased preload, could be analyzed in relation to preceding sinus beats and that the change in cardiac performance (e.g., systolic blood pressure (...) ) at the post-ectopic beat could predict fluid responsiveness.Critically ill patients were observed when scheduled for a 500-ml volume expansion. The 30-min ECG prior to volume expansion was analyzed for the occurrence of extrasystoles. Classification variables were defined as the change in a variable (e.g., systolic blood pressure or pre-ejection period) from the median of ten preceding sinus beats to extrasystolic post-ectopic beat. A stroke volume increase > 10% following volume expansion defined fluid

2018 Journal of intensive care

3. Quantification of the Arrhythmogenic Effects of Spontaneous Atrial Extrasystole Using High-Resolution Epicardial Mapping. Full Text available with Trip Pro

Quantification of the Arrhythmogenic Effects of Spontaneous Atrial Extrasystole Using High-Resolution Epicardial Mapping. Atrial extrasystoles (AES) can initiate atrial fibrillation. However, the impact of spontaneous AES on intra-atrial conduction is unknown. The aims of this study were to examine conduction disorders provoked by AES and to correlate these conduction differences with patient characteristics, mapping locations, and type of AES.High-resolution epicardial mapping (electrodes N

2018 Circulation. Arrhythmia and electrophysiology

4. Post-Extrasystolic Potentiation as a Predictor of Ventricular Arrhythmias

Post-Extrasystolic Potentiation as a Predictor of Ventricular Arrhythmias Post-Extrasystolic Potentiation as a Predictor of Ventricular Arrhythmias - Full Text View - ClinicalTrials.gov Hide glossary Glossary Study record managers: refer to the if submitting registration or results information. Search for terms x × Study Record Detail Saved Studies Save this study Warning You have reached the maximum number of saved studies (100). Please remove one or more studies before adding more. Post (...) -Extrasystolic Potentiation as a Predictor of Ventricular Arrhythmias (A PRIORY) The safety and scientific validity of this study is the responsibility of the study sponsor and investigators. Listing a study does not mean it has been evaluated by the U.S. Federal Government. of clinical studies and talk to your health care provider before participating. Read our for details. ClinicalTrials.gov Identifier: NCT03631303 Recruitment Status : Recruiting First Posted : August 15, 2018 Last Update Posted : November

2018 Clinical Trials

5. Ablation of parahisian premature ventricular extrasystoles by subtricuspid retrograde approach using inverted catheter technique: back to the anatomy Full Text available with Trip Pro

Ablation of parahisian premature ventricular extrasystoles by subtricuspid retrograde approach using inverted catheter technique: back to the anatomy This report illustrates a feasible and anatomical solution aiming to improve the success and decrease the possible hazards such as atrioventricular block during ablation of parahisian PVCs. We tried to illustrate the specific anatomy pertaining parahisian region and to explain a retrograde subvalvular catheter technique to overcome

2018 Clinical Case Reports

6. Hemodynamic consequences of premature ventricular contractions Association of mechanical bradycardia and post-extrasystolic potentiation with premature ventricular contraction-induced cardiomyopathy. (Abstract)

Hemodynamic consequences of premature ventricular contractions Association of mechanical bradycardia and post-extrasystolic potentiation with premature ventricular contraction-induced cardiomyopathy. The relationships between hemodynamic consequences of premature ventricular contractions (PVCs) and development of premature ventricular contraction-induced cardiomyopathy (PVC-CM) have not been investigated.The purpose of this study was to correlate concealed mechanical bradycardia

2018 Heart Rhythm

7. Post-extrasystolic Blood Pressure Potentiation as a Risk Predictor in Cardiac Patients Full Text available with Trip Pro

Post-extrasystolic Blood Pressure Potentiation as a Risk Predictor in Cardiac Patients For more than 100 years physicians have observed that heartbeats following extrasystolic beats are characterised by augmented myocardial contractility. This phenomenon was termed post-extrasystolic potentiation (PESP). In the 1970s it was first noted that PESP measured at the blood pressure level is typically pronounced in heart failure patients. Only recently, it was shown that PESP measured non-invasively (...) as post-extrasystolic blood pressure potentiation was a strong and independent predictor of death in survivors of myocardial infarction and in patients with chronic heart failure. A similar parameter (PESPAfib) can be also assessed in patients with atrial fibrillation. PESP and PESPAfib can be understood as non-invasive parameters that indicate myocardial dysfunction. They have the potential to improve risk stratification strategies for cardiac patients.

2016 Arrhythmia & electrophysiology review

8. Post-extrasystolic Potentiation: Link between Ca2+ Homeostasis and Heart Failure? Full Text available with Trip Pro

Post-extrasystolic Potentiation: Link between Ca2+ Homeostasis and Heart Failure? Post-extrasystolic potentiation (PESP) describes the phenomenon of increased contractility of the beat following an extrasystole and has been attributed to changes in Ca(2+) homeostasis. While this effect has long been regarded to be a normal physiological phenomenon, a number of reports describe an enhanced potentiation of the post-extrasystolic beat in heart failure patients. The exact mechanism

2016 Arrhythmia & electrophysiology review

9. Extrasystole

Extrasystole Extrasystole Toggle navigation Brain Head & Neck Chest Endocrine Abdomen Musculoskeletal Skin Infectious Disease Hematology & Oncology Cohorts Diagnostics Emergency Findings Procedures Prevention & Management Pharmacy Resuscitation Trauma Emergency Procedures Ultrasound Cardiovascular Emergencies Lung Emergencies Infectious Disease Pediatrics Neurologic Emergencies Skin Exposure Miscellaneous Abuse Cancer Administration 4 Extrasystole Extrasystole Aka: Extrasystole From Related (...) Chapters II. Types (PAC) (PJC) (PVC) III. Definition Ectopic impulse overlies normal sinus rhythm Images: Related links to external sites (from Bing) These images are a random sampling from a Bing search on the term "Extrasystole." Click on the image (or right click) to open the source website in a new browser window. Related Studies (from Trip Database) Ontology: Premature Cardiac Complex (C0340464) Definition (MSHCZE) Skupina srdečních arytmií, v nichž nejsou srdeční stahy iniciovány prostřednictvím

2018 FP Notebook

10. Absence of post-extrasystolic potentiation in takotsubo cardiomyopathy: Another piece of the puzzle? (Abstract)

Absence of post-extrasystolic potentiation in takotsubo cardiomyopathy: Another piece of the puzzle? Takotsubo cardiomyopathy (TCM) is an intriguing phenomenon characterized by transient and reversible left ventricular (LV) dysfunction despite angiographically unobstructed coronary arteries. The detailed pathophysiology of stunned, viable myocardium in TCM remains to be determined. Post-extrasystolic potentiation (PESP), the phenomenon of enhanced LV contractility following extrasystole, has (...) been used to assess myocardial viability.Utilizing a local database, we identified 74 cases that met the modified Mayo Clinic criteria for TCM between October 2004 and March 2016. The patients undergoing left ventriculography were assessed for the presence of fortuitously provoked extrasystoles and the presence or absence of PESP.The baseline characteristics of TCM were 93.2% female patients with median age of 69 and majority cases were apical type (77%). In-hospital mortality was observed in 3

2016 International journal of cardiology

11. Supine Frequent Ventricular Extrasystoles in a Pregnant Woman without Structural Heart Disease Full Text available with Trip Pro

Supine Frequent Ventricular Extrasystoles in a Pregnant Woman without Structural Heart Disease Arrhythmias are the most common cardiac complication during gestational period and may occur in women with or without known structural heart disease. Premature extra beats and sustained tachyarrhythmias are the most common arrhythmias in pregnancy. Symptomatic episodes occur in 20-44% of pregnant women, usually as palpitations, dizziness, or syncope. We searched on Pubmed for ventricular premature

2016 Case reports in medicine

12. Acute Glomerulonephritis Associated with Pyelonephritis, Bundle Branch Block and Return Extrasystoles due to Ventricular Extrasystoles with Retrograde Conduction Full Text available with Trip Pro

Acute Glomerulonephritis Associated with Pyelonephritis, Bundle Branch Block and Return Extrasystoles due to Ventricular Extrasystoles with Retrograde Conduction 14834169 2004 02 15 2018 12 01 0035-9157 44 2 1951 Feb Proceedings of the Royal Society of Medicine Proc. R. Soc. Med. Acute glomerulonephritis associated with pyelonephritis, bundle branch block and return extrasystoles due to ventricular extrasystoles with retrograde conduction. 151-3 SCHOTT A A eng Journal Article England Proc R Soc

1951 Proceedings of the Royal Society of Medicine

13. Cardiovascular Sounds Related to Extrasystoles: I. Two Cases of Sinus Extrasystoles with Bigeminy Full Text available with Trip Pro

Cardiovascular Sounds Related to Extrasystoles: I. Two Cases of Sinus Extrasystoles with Bigeminy 14328044 1996 12 01 2018 12 01 0008-4409 93 1965 Aug 07 Canadian Medical Association journal Can Med Assoc J CARDIOVASCULAR SOUNDS RELATED TO EXTRASYSTOLES: I. TWO CASES OF SINUS EXTRASYSTOLES WITH BIGEMINY. 268-71 SEGALL H N HN eng Journal Article Canada Can Med Assoc J 0414110 0008-4409 OM Arrhythmias, Cardiac Cardiac Complexes, Premature Cardiovascular System Electrocardiography Geriatrics Heart (...) Auscultation Humans ARRHYTHMIA ELECTROCARDIOGRAPHY EXTRASYSTOLE GERIATRICS HEART AUSCULTATION 1965 8 7 1965 8 7 0 1 1965 8 7 0 0 ppublish 14328044 PMC1928668 Am J Cardiol. 1962 May;9:804-9 13887378

1965 Canadian Medical Association Journal

14. Usefulness of Frequent Supraventricular Extrasystoles and a High CHADS<sub>2</sub> Score to Predict First-Time Appearance of Atrial Fibrillation. (Abstract)

Usefulness of Frequent Supraventricular Extrasystoles and a High CHADS2 Score to Predict First-Time Appearance of Atrial Fibrillation. Frequent supraventricular extrasystoles (SVEs) are associated with the subsequent first-time appearance of atrial fibrillation (AF) and ischemic stroke. The aim of this study was to investigate the combined role of SVEs and an AF-related risk score for ischemic stroke, the CHADS2 score, on the occurrence of new AF in patients in sinus rhythm

2013 American Journal of Cardiology

15. Extrasystole

Extrasystole Extrasystole Toggle navigation Brain Head & Neck Chest Endocrine Abdomen Musculoskeletal Skin Infectious Disease Hematology & Oncology Cohorts Diagnostics Emergency Findings Procedures Prevention & Management Pharmacy Resuscitation Trauma Emergency Procedures Ultrasound Cardiovascular Emergencies Lung Emergencies Infectious Disease Pediatrics Neurologic Emergencies Skin Exposure Miscellaneous Abuse Cancer Administration 4 Extrasystole Extrasystole Aka: Extrasystole From Related (...) Chapters II. Types (PAC) (PJC) (PVC) III. Definition Ectopic impulse overlies normal sinus rhythm Images: Related links to external sites (from Bing) These images are a random sampling from a Bing search on the term "Extrasystole." Click on the image (or right click) to open the source website in a new browser window. Related Studies (from Trip Database) Ontology: Premature Cardiac Complex (C0340464) Definition (MSHCZE) Skupina srdečních arytmií, v nichž nejsou srdeční stahy iniciovány prostřednictvím

2015 FP Notebook

16. Studies on Cardiac Function: The Occurrence of Extrasystoles During Variation in the Emotional State in Man Full Text available with Trip Pro

Studies on Cardiac Function: The Occurrence of Extrasystoles During Variation in the Emotional State in Man 18860468 2008 10 21 2018 12 01 0028-7091 24 6 1948 Jun Bulletin of the New York Academy of Medicine Bull N Y Acad Med Studies on cardiac function; the occurrence of extra-systoles during variation in the emotional state in man. 393 STEVENSON I P IP DUNCAN C H CH WOLF S S eng Journal Article United States Bull N Y Acad Med 7505398 0028-7091 OM Arrhythmias, Cardiac psychology Cardiovascular

1948 Bulletin of the New York Academy of Medicine

17. UPPER ATRIO-VENTRICULAR NODAL BEATS PRECIPITATED BY VENTRICULAR EXTRASYSTOLES WITH RETROGRADE CONDUCTION Full Text available with Trip Pro

UPPER ATRIO-VENTRICULAR NODAL BEATS PRECIPITATED BY VENTRICULAR EXTRASYSTOLES WITH RETROGRADE CONDUCTION 14363543 2003 05 01 2018 12 01 0007-0769 17 2 1955 Apr British heart journal Br Heart J Upper atrio-ventricular nodal beats precipitated by ventricular extrasystoles with retrograde conduction. 247-54 SCHOTT A A eng Journal Article England Br Heart J 0370634 0007-0769 OM Arrhythmias, Cardiac Atrioventricular Node Electrocardiography Heart Rate Humans Ventricular Premature Complexes 5528

1955 British Heart Journal

18. EXTRASYSTOLES ARISING FROM THE MAIN BUNDLE OF HIS Full Text available with Trip Pro

EXTRASYSTOLES ARISING FROM THE MAIN BUNDLE OF HIS 13269617 2003 05 01 2018 12 01 0007-0769 17 4 1955 Oct British heart journal Br Heart J Extrasystoles arising from the main bundle of His. 566-8 FLETCHER E E eng Journal Article England Br Heart J 0370634 0007-0769 OM Arrhythmias, Cardiac Bundle of His Cardiac Complexes, Premature Humans 5629:21633 ARRHYTHMIA 1955 10 1 1955 10 1 0 1 1955 10 1 0 0 ppublish 13269617 PMC503930 Am Heart J. 1950 May;39(5):650-63 15413575

1955 British Heart Journal

19. FURTHER OBSERVATIONS ON COUPLED EXTRASYSTOLES AND AUTOMATIC VENTRICULAR RHYTHMS Full Text available with Trip Pro

FURTHER OBSERVATIONS ON COUPLED EXTRASYSTOLES AND AUTOMATIC VENTRICULAR RHYTHMS 13651504 2000 07 01 2019 02 21 0007-0769 21 2 1959 Apr British heart journal Br Heart J Further observations on coupled extrasystoles and automatic ventricular rhythms. 177-86 SCHOTT A A SCHERF D D eng Journal Article England Br Heart J 0370634 0007-0769 OM Arrhythmias, Cardiac Brugada Syndrome Cardiac Complexes, Premature Cardiac Conduction System Disease Heart Conduction System Humans 5936:25460:54 ARRHYTHMIA 1959

1959 British Heart Journal

20. Confusion of Partial Heart-Block With Extrasystoles Full Text available with Trip Pro

Confusion of Partial Heart-Block With Extrasystoles 18743169 2008 08 29 2008 11 20 0093-4038 42 2 1935 Feb California and western medicine Cal West Med Confusion of Partial Heart-Block With Extrasystoles. 124 Baltimore L L eng Journal Article United States Cal West Med 0414326 0093-4038 1935 2 1 0 0 1935 2 1 0 1 1935 2 1 0 0 ppublish 18743169 PMC1752069

1935 California and western medicine

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