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Echocardiographic Investigation of Canine Myxomatous Mitral
Echocardiographic Investigation of Canine Myxomatous Mitral

... compared those values to the left atrial volumes obtained using real-time 3-dimensional echocardiography.28 Correlations between the two modalities used in this fashion were weak.28 Correlation of echocardiographically derived left atrial volumes to those obtained with either computed tomography or ...
The Three-Dimensional Arrangement of the Myocytes Aggregated
The Three-Dimensional Arrangement of the Myocytes Aggregated

... was slightly modified in our in-house tracking software. For stopping, we used voxel anisotropy (FA) below 0.15, or an angle for the eigenvector between adjacent voxels of greater than 438. The tracking step size was arbitrarily set to 0.5 mm. Thereafter, the investigator selected the required numbe ...
Disordered Myocardial Ca2+ Homeostasis Results
Disordered Myocardial Ca2+ Homeostasis Results

... Despite progressive current therapies both VF and AF remains a major health problem. Further understanding of the mechanisms and factors responsible for the onset and maintenance of these arrhythmias is essential. We have previously shown (Tribulova et al. 1999, 2001, 2003, 2004, 2009) that acute in ...
Risk prediction and prognosis following cardiac surgery
Risk prediction and prognosis following cardiac surgery

... disease alone is responsible for about 24%, which makes it the leading cause of death 1. Various surgical and medical treatment strategies are available for a broad variety of cardiovascular diseases, including both ischemic heart disease and heart valve diseases. Worldwide, the first records of hea ...
Reliaty Pacing System Analyzer
Reliaty Pacing System Analyzer

... Select a pacing mode that is consistent with the patient cable connections to the leads. Loss of pacing may be a consequence of inconsistent selection and may cause lifethreatening danger to the patient. Wenckebach test Because atrial single chamber pacing is contraindicated for use in patients with ...
a sample of the book
a sample of the book

... ulation than others do, such as high -cardiologists. This list includes 2,254 blood pressure and Marfan syndrome, top cardiologists who were selected the number of trusted references identhrough a peer nomination process; tified for each topic varies. 330 of them were also named to a Although heart ...
Implantable electromechanical displacement blood pumps
Implantable electromechanical displacement blood pumps

... market approval. First, the entire supply, manufacturing and production process of the device is set-up and fixed. The second step is to obtain Food and Drug Administration (FDA) approval (U.S.A.) or CE Marking (Europe), after which the device can be sold. Experience at the Helmholtz institute demon ...
Tumours of the Heart
Tumours of the Heart

... resection is often impossible because of local spread {2071}. The prognosis of patients with primary malignant cardiac tumours is very poor even if complete resection is attempted {952,2071}. Adjuvant chemotherapy and irradiation are usually also given, but these are not effective in most cases {207 ...
Two Case Reports of Situs Inversus Totalis
Two Case Reports of Situs Inversus Totalis

... inversus were reported in the literature [13]. Half of these reported pain in their right iliac fossa despite the presence of situs inversus [1]. Informing physicians and surgeons of the diagnosis of situs inversus can decrease medicals errors and prevent some of complications that may arise in asse ...
Mitral Valve Regurgitation: Surgical Treatment
Mitral Valve Regurgitation: Surgical Treatment

... autografts (Ross II operation) have been used as well. Recently, C. Acar, presenting his experience from 102 cases of homograft implantation, emphasised that this technique cannot be used in all cases of mitral replacement and needs more clinical research83. Minimally invasive surgery The principal ...
The Wavelength of the Cardiac Impulse and Reentrant Arrhythmias
The Wavelength of the Cardiac Impulse and Reentrant Arrhythmias

... 95% O2 and 5% CO2; pH was 7.35 ± 0.05, and temperature was kept at 37°C unless stated otherwise. A programmable stimulator was used to deliver constant current pulses (duration 1-2 msec, strength 2-4 times diastolic threshold) through two platinum plates ( 2 x 4 mm) embracing one end of the preparat ...
Mechanism of diastolic rumble and presystolic - Heart
Mechanism of diastolic rumble and presystolic - Heart

... disappearance of the diastolic rumble in calcified mitral stenosis; and (3) the occasional presence of a presystolic murmur in atrialfibrillation. The mechanism of the diastolic rumble and presystolic murmur in mitral stenosis is still unclear. Until recently these murmurs were attributed to the inc ...
Sonometric Study of the Normal Tricuspid Valve Annulus in Sheep
Sonometric Study of the Normal Tricuspid Valve Annulus in Sheep

... The heart was exposed with a standard left thoracotomy through the fourth intercostal space and a Tshaped incision of the pericardium, and suspended in the pericardial cradle. The ascending aorta (#16 Fr), inferior vena cava (#32 Fr), and superior vena cava (#23 Fr) were cannulated, and CPB was inst ...
Nathan D
Nathan D

... 1994-2001 - Board of Directors, American Heart Association, Orange County, CA Division; Vice Chair, Program Advisory Committee, 1993-1994 1995 - Member, Physician-Physician/Scientist Task Force on Affiliations, American Heart Association California Affiliate 1995 - Present - Member, California Preve ...
ACR–SIR Practice Parameter for the Performance of
ACR–SIR Practice Parameter for the Performance of

... Accelerated hypertension: Sudden worsening of previously controlled HTN, which may indicate the development of a secondary cause of HTN. Resistant hypertension: HTN should be considered resistant if the systolic blood pressure (SBP) cannot be reduced to below 140/90 mm Hg in patients who are adherin ...
Percutaneous Mitral Valve Therapy: The Next Decade
Percutaneous Mitral Valve Therapy: The Next Decade

... the leaflets, shorten or replace the chordae, in short, tweak it wherever needed. Reducing this surgical predicate to a transcatheter procedure is a far more complicated proposition than developing a transcatheter version of replacing a stenotic aortic valve. Mitral valve disease, too, is not straig ...
Three-Dimensional Transesophageal Echocardiography Is a Major
Three-Dimensional Transesophageal Echocardiography Is a Major

... parallel equidistant 2D images similar to a computerized tomography (CT) scan (Fig. 2A). The rotational scanning method12 is performed using a single echocardiographic window; the ultrasound probe (TTE or multiplane TEE) is held immobile while the ultrasound scanning plane rotates on its main axis t ...
Relation Between Shock-Related Myocardial Injury and
Relation Between Shock-Related Myocardial Injury and

... and Use of Laboratory Animals. Twelve mongrel dogs (weight, 35 +6.7 kg; range, 27 to 46 kg) were anesthetized with methohexital (15 mg/kg) and pentobarbital (20 mg/kg) and ventilated with oxygen (2 L/min) and room air. Deeper anesthesia for operative procedures was achieved with additional halothane ...
Aspirin
Aspirin

... about 500,000 of them die. Survivors of a first heart attack are at greatly increased risk of having additional cardiovascular events. To investigate whether aspirin could be helpful in preventing or treating cardiovascular disease, researchers have carried out several large randomized controlled cl ...
Recent Advances in Hypertension
Recent Advances in Hypertension

... factors.45,46 The most pronounced reduction in risk (40%) was observed in low-fit individuals (peak MET level 6.1–8.0) compared with the least-fit (peak MET level ≤6.0), suggesting that relatively low levels of cardiorespiratory fitness are necessary for exercise-related health benefits. Risk reduct ...
Current and Evolving Echocardiographic Techniques
Current and Evolving Echocardiographic Techniques

... the sample volume size and position so that it remains within the region of interest inside the myocardium throughout the cardiac cycle. Scale and baseline should be adjusted in a way that the signal fills most of the display. Sweep speed must be adjusted according to the application for measuring s ...
Progressive Left Ventricular Dysfunction and
Progressive Left Ventricular Dysfunction and

... percentage of end-diastolic area. To define these regions, the 300 right anterior oblique plane of the left ventricle was divided clockwise from 00 to 3600 into 18 equidistant radial sectors originating from the center of gravity. The position of 00 was determined by Fourier analysis as the change f ...
Atrioventricular Conduction
Atrioventricular Conduction

... sinus beat, which measures 0.23 sec. The His bundle electrogram recording localizes the conduction delay to the A-V node as reflected in the increased A-H interval of 180 msec. This same mechanism is involved in the prolongation of the P-R interval as shown in figure 2 in which the atrial rate was d ...
Current and Evolving Echocardiographic Techniques for the Quantitative Evaluation
Current and Evolving Echocardiographic Techniques for the Quantitative Evaluation

... the sample volume size and position so that it remains within the region of interest inside the myocardium throughout the cardiac cycle. Scale and baseline should be adjusted in a way that the signal fills most of the display. Sweep speed must be adjusted according to the application for measuring s ...
HOW TO SELECT CRT PATIENTS? CURRENT AND EMERGING CRITERIA
HOW TO SELECT CRT PATIENTS? CURRENT AND EMERGING CRITERIA

... 9 Right ventricular pacing induces LBBBLBBB-like activation Æ may have deleterious longlong-term effects on LV function [Wilkoff et al, JAMA 2002; Sweeney et al, Circulation 2003] ...
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Jatene procedure

The Jatene procedure, or arterial switch, is an open heart surgical procedure used to correct dextro-transposition of the great arteries (d-TGA); its development was pioneered by Canadian cardiac surgeon William Mustard and it was named for Brazilian cardiac surgeon Adib Jatene, who was the first to use it successfully. It was the first method of d-TGA repair to be attempted, but the last to be put into regular use because of technological limitations at the time of its conception. Use of the arterial switch is historically preceded by two atrial switch methods: the Senning and Mustard procedures.This surgery may be used in combination with other procedures for treatment of certain cases of double outlet right ventricle (DORV) in which the great arteries are dextro-transposed.
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