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Evaluating contrast enhanced ECG-gated cardiac CT (CCT) as an alternative to transesophageal echocardiography (TEE) to expedite cardioversion of atrial fibrillation (AF), improve patient care and reduce hospital admissions for AF and atrial flutter.
Contrast enhanced ECG-gated cardiac CT (CCT), Transesophageal Echocardiography (TEE)
University of Ottawa Heart Institute
Not yet recruiting
Ottawa Heart Institute Research Corporation
Published on BioPortfolio: 2020-01-15T10:26:52-0500
The aim of the study is to assess the prevalence of left atrial thrombus in patients with atrial fibrillation (AF) or atrial flutter (AFI), in whom transesophageal echocardiography is perf...
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The purpose of this study is to better understand if transesophageal echocardiography during cardiac surgery can predict problems with kidney function after cardiac surgery.
Chronic atrial fibrillation is a challenging arrhythmia requiring additional radiofrequency ablation besides pulmonary vein isolation. Atrial contractility in these patients is often impai...
The investigators would like to evaluate how well intensive care trainees without previous experience in transesophageal echocardiography are able to perform a transesophageal echocardiogr...
Three dimensional transesophageal echocardiography (3DTEE) is superior to two dimensional transesophageal echocardiography (2DTEE) as it provides all atrial septal information from a single view.
Intracardiac echocardiography (ICE) is increasingly common among periprocedural imaging modalities used during complex cardiac procedures. We sought to perform a meta-analysis comparing transesophagea...
Transesophageal echocardiography (TEE) is a commonly utilized investigation in patients with atrial fibrillation to study the left atrial appendage (LAA) and exclude an appendage thrombus before proce...
A 59-year-old woman with episodes of chest pain was diagnosed with cardiac myxoma. Transesophageal echocardiography (TEE) showed a massive vascularized tumor and there was a blood stream spurting from...
Atrial fibrillation induces reversible electrical and mechanical modifications (atrial remodeling). Atrial stunning is a mechanical dysfunction with preserved bioelectrical function, occurring after s...
Rapid, irregular atrial contractions caused by a block of electrical impulse conduction in the right atrium and a reentrant wave front traveling up the inter-atrial septum and down the right atrial free wall or vice versa. Unlike ATRIAL FIBRILLATION which is caused by abnormal impulse generation, typical atrial flutter is caused by abnormal impulse conduction. As in atrial fibrillation, patients with atrial flutter cannot effectively pump blood into the lower chambers of the heart (HEART VENTRICLES).
A potentially lethal cardiac arrhythmia that is characterized by uncoordinated extremely rapid firing of electrical impulses (400-600/min) in HEART VENTRICLES. Such asynchronous ventricular quivering or fibrillation prevents any effective cardiac output and results in unconsciousness (SYNCOPE). It is one of the major electrocardiographic patterns seen with CARDIAC ARREST.
The pressure within a CARDIAC VENTRICLE. Ventricular pressure waveforms can be measured in the beating heart by catheterization or estimated using imaging techniques (e.g., DOPPLER ECHOCARDIOGRAPHY). The information is useful in evaluating the function of the MYOCARDIUM; CARDIAC VALVES; and PERICARDIUM, particularly with simultaneous measurement of other (e.g., aortic or atrial) pressures.
Ultrasonic recording of the size, motion, and composition of the heart and surrounding tissues using a transducer placed in the esophagus.
Long-term changes in the electrophysiological parameters and/or anatomical structures of the HEART ATRIA that result from prolonged changes in atrial rate, often associated with ATRIAL FIBRILLATION or long periods of intense EXERCISE.
Cardiology is a specialty of internal medicine. Cardiac electrophysiology : Study of the electrical properties and conduction diseases of the heart. Echocardiography : The use of ultrasound to study the mechanical function/physics of the h...
Cardiovascular disease (CVD)
Acute Coronary Syndromes (ACS) Blood Cardiovascular Dialysis Hypertension Stent Stroke Vascular Cardiovascular disease (CVD) includes all the diseases of the heart and circulation including coronary heart disease (angina...