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Author(s): Alan J Bank , Kevin V Burns , Ryan M Gage Added: 3 years ago
Cardiac resynchronization therapy (CRT) is a well-accepted and proven therapy for the treatment of patients with advanced heart failure (HF), significant left ventricular (LV) systolic dysfunction, and a wide QRS complex on electrocardiogram (ECG). In this patient population, large multicenter studies have demonstrated that CRT improves symptoms of HF, exercise capacity, LV size and systolic… View more

Imaging & Diagnostics

Heart Failure
Author(s): Hans Joachim Nesser Added: 3 years ago
Tissue Doppler-based measurements of myocardial strain are possible and accurate for structures that move along the ultrasound beam, but are underestimated in other directions and even impossible for angles close to 90º. To overcome these limitations, the speckle tracking technique was introduced in 2004, offering a more user-friendly workflow and better reproducibility.1 This echocardiographic… View more

Imaging & Diagnostics

MI/ACS
Author(s): Bijoy K Khandheria Added: 3 years ago
Cardiovascular ultrasound is an established imaging modality in the practice of cardiovascular disease (CVD), whether this is provided by a CV specialist or health professionals with training in internal medicine. Transthoracic imaging wherein the transducer is placed on the chest wall has some limitations. These include inadequate quality of images resulting in poor informationÔÇöapproximately 5… View more

Imaging & Diagnostics
Author(s): Bijoy K Khandheria Added: 3 years ago
Cardiovascular ultrasound is an established imaging modality in the practice of cardiovascular disease (CVD), whether this is provided by a CV specialist or health professionals with training in internal medicine. Transthoracic imaging wherein the transducer is placed on the chest wall has some limitations. These include inadequate quality of images resulting in poor informationÔÇöapproximately 5… View more

Imaging & Diagnostics
Author(s): Eric HC Yu Added: 3 years ago
Contemporary approved echo contrast agents share a common approved indication of left ventricular opacification and enhancement of endocardial border delineation for the assessment of left ventricular function in patients with technically suboptimal echocardiograms (ECGs). The use of echo contrast agents with advanced imaging technologies has resulted in the conversion of many non-diagnostic ECGs… View more

Imaging & Diagnostics
Author(s): Amer M Johri , Matthew I Crerar , Anthony J Sanfilippo Added: 3 years ago
In this era of cost control and limited resources available to meet the growing demand for cardiovascular imaging testing, quality control initiatives that reduce the need for alternative testing are highly relevant. The implementation of continuous quality improvement (CQI) through the analysis of variations in clinical or test performance at an organizational or individual level is termed … View more

Imaging & Diagnostics
Author(s): Nuno Cortez-Dias , Fausto J Pinto Added: 3 years ago
Coronary artery disease (CAD) represents the leading cause of morbidity and mortality in western countries. Many non-invasive stress tests are currently available for detecting CAD and assessing prognosis. Non-invasive stress techniques comprise exercise electrocardiographic (ECG) stress testing and imaging techniques, namely exercise/pharmacological stress echocardiography (SEcho) and exercise… View more

Imaging & Diagnostics

Prevention & Chronic Conditions
Author(s): Amer M Johri , Matthew I Crerar , Anthony J Sanfilippo Added: 3 years ago
Abstract The assessment of left ventricular ejection fraction is a key clinical investigation guiding the diagnosis, management and prognosis of cardiology patients. Echocardiography is an inexpensive, safe, and portable method commonly used to provide this information. Improvement in the quality of assessment provided by echocardiography continues to be the subject of current clinical programs… View more

Imaging & Diagnostics
Author(s): Jose Luis Zamorano Added: 3 years ago
2D echocardiography (2DE) is a common diagnostic and treatment planning tool in clinical cardiology, especially for the assessment of left ventricular (LV) volume and function. However, traditional 2DE is severely limited by its dependence on geometrical assumptions, which can lead to inaccuracies in volume quantification.1 Because 3D echocardiographic (3DE) imaging eliminates geometrical… View more

Imaging & Diagnostics
Author(s): Bruce L Macrum Added: 3 years ago
Both the art and the science of echocardiography have made tremendous strides in the 50 years since their earliest origins. In its modern-day form, echocardiography maintains a legacy of bedside utility while adopting many of the technologic advances ushered in by the digital era. As a result, it boasts a broad and growing spectrum of application including routine use in primary cardiac diagnosis… View more

Imaging & Diagnostics