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Serotonin, and probably not Angiotensin II, mediates cyclic strain
Serotonin, and probably not Angiotensin II, mediates cyclic strain

... in proliferation and migration, but they also synthesize collagen and other matrix proteins.9-12 Disatian et al13 showed there are more fibroblast phenotype VICs in normal mitral valves and the phenotype of interstitial cells with progressive DMVD showed markedly higher myofibroblast phenotype. Komu ...
Narrowing of the Coronary Sinus
Narrowing of the Coronary Sinus

... were enrolled in 3 medical centers. The CS narrowing device was successfully implanted in all 15 candidates and all were discharged without clinical complications. No major adverse events occurred during the procedure or during follow-up. At 6 months follow-up, an improvement in angina score, a redu ...
His Bundle Pacing Or Biventricular Pacing For Cardiac
His Bundle Pacing Or Biventricular Pacing For Cardiac

... intrinsic His-purkinje system, which results in synchronous and a more physiologic electrical and mechanical activation. HBP can also be used as a bail-out strategy in cases where coronary venous anatomy limits the ability to place an LV lead. Other advantages include the lack of potential complicat ...
Balloon Aortic Valvuloplasty in the TAVI Era
Balloon Aortic Valvuloplasty in the TAVI Era

... been shown in multiple published experiences that New York Heart Association (NYHA) class can be significantly improved.6,14-16 The demonstrated safety in serial BAVs for patients with recurrent restenosis extends the opportunity for achieving longer periods of enhanced QOL even further. Although un ...
Name of presentation
Name of presentation

... – Anything that can cause enlarged LA • Most common cause is DCM in dogs • Also end stage MR progressing to myocardial failure – Occasionally can be primary in very large dogs • Very rare without underlying heart disease – Less common in cats • Advanced HCM with huge LA ...
ppt - UCL Computer Science
ppt - UCL Computer Science

... The three worst cases by the three segmentation methods. Subject-1 is the worst case of the Affine FFDs, subject-116 is the worst case of LARM FFDs, and subject-9 is the worst case of LARM ACPS. Images are displayed with delineated contour superimposing on the MR images, in sagittal, transverse, and ...
Continuous Positive Airway Pressure for Central Sleep Apnea and
Continuous Positive Airway Pressure for Central Sleep Apnea and

... men and women 18 to 79 years of age who had New York Heart Association (NYHA) functional class II through IV heart failure due to ischemic, hypertensive, or idiopathic dilated cardiomyopathy and whose condition had been stabilized by means of optimal medical therapy for at least one month; an LVEF o ...
Machine Learning for Cardiac Ultrasound Time Series Data
Machine Learning for Cardiac Ultrasound Time Series Data

... specialists. Although this is the gold standard method for identifying heart abnormalities, cost, time and geographic constraints necessitate research into automatic detection of key markers that signal heart dysfunction. Of central importance to the automation problem is the selection of frames cor ...
3. Cardiac Output
3. Cardiac Output

... • inversely  affects  stroke  volume;  and   • directly  affects  end  systolic  volume;  ESV   ...
STRONG HEART STUDY LABORATORY PROCEDURES
STRONG HEART STUDY LABORATORY PROCEDURES

... arterial imaging transducer. B-mode scanning of the right and left extracranial carotid arteries will be done in multiple projections to optimize the detection of discrete atheromata, identified on two-dimensional images as the presence of a discrete plaque at least 50% greater than the surrounding ...
Secondary Cardiac Pleomorphic Rhabdomyosarcoma – A
Secondary Cardiac Pleomorphic Rhabdomyosarcoma – A

... Metastatic heart involvement is gaining increased attention. It has been recognized that heart metastases are more common (at least 2% of all the disseminated cancers) than it was previously thought. However, secondary heart tumours, especially those arising in the context of the cardiac wall, usual ...
Impairment of coronary flow reserve in aortic stenosis
Impairment of coronary flow reserve in aortic stenosis

... circulation to increase flow to match myocardial oxygen demand. The reduction of CFR is the key factor responsible for myocardial ischemia in AS patients, and this may contribute to the development of LV dysfunction, symptoms, and adverse outcomes (34). There still persist some uncertainties and con ...
1 Hyperdominant left anterior descending artery continuing across
1 Hyperdominant left anterior descending artery continuing across

... Cheatham described the origin of right coronary artery from descending thoracic aorta in an infant with hypoplastic left heart syndrome at autopsy [22]. Radke [23], Yao [24] and Lessick [25] separately reported the anomalous origin of right coronary artery from main pulmonary artery, the ischaemic p ...
Physiological heart activation by adrenaline involves parallel
Physiological heart activation by adrenaline involves parallel

... a unique relationship between their concentrations [16]. The distinguished blocks ‘communicate’ with each other only via these metabolites. The PAA [10] was used in the present work to analyse, interpret and visualize the experimental results. PAA defines the proportional activation coefficient as t ...
PDF - Bentham Open
PDF - Bentham Open

... common in the setting of post-sternotomy and significant pulmonary disease [3]. However, it is also important to recognize that there can be a communication between the right and left pleural spaces without any previous intervention. This communication can represent incomplete fusion of the pleura o ...
Cardioverting with Confidence
Cardioverting with Confidence

... enough joules to make it work first time. If you need to shock a second time is when you find out you didn't give enough versed or whatever before the first shock, the patient is ripping off the pads and not wanting to ...
Lecture 024, Blood2 - SuperPage for Joel R. Gober, PhD.
Lecture 024, Blood2 - SuperPage for Joel R. Gober, PhD.

... pump. So, in a reciprocating pump, it’s not always, it’s not only important how well the heart pumps, but it just as important to know how well the heart is relaxing and how the heart is filling because the heart can’t pump any blood unless blood gets back into it. So, diastole is just as important, ...
Unsupervised Similarity-Based Risk Stratification for Cardiovascular
Unsupervised Similarity-Based Risk Stratification for Cardiovascular

... these cases are expected to be the result of coronary attacks. Despite improvements in survival rates, in the United States, 1 in 4 men and 1 in 3 women still die within a year of a recognized first heart attack (Mackay et al., 2004). This risk of death can be substantially lowered with an appropria ...
Zaporozhye State Medical University
Zaporozhye State Medical University

... impulse spreads through intra-atrial pathways to the atrioventricular (AV) node located at the junction of the atria and ventricles. After a brief delay, the impulse continues through the bundle of His, the right and left bundle branches, and Purkinje fibers, and finally activates the ventricular mu ...
the star™ biphasic waveform - AED Defibrillator, Buy AED
the star™ biphasic waveform - AED Defibrillator, Buy AED

... The STAR Biphasic waveform was validated in a clinical trial led by researchers at the Cleveland Clinic and Cedars-Sinai Medical Center. This multicenter study enrolled patients in an electrophysiology lab study designed according to FDA guidelines to determine that the STAR Biphasic waveform was sa ...
Development of the Heart
Development of the Heart

... ventricle + Transposition of aorta & pulmonary trunk. Complication: heart failure and death. This diagram showing transposition of great arteries (TGA) which leads to cyanosis. VSD+ASD allow mixing arterial & venous blood. Transposition results from that the aortico-pulmonary septum descends stra ...
Chapter27
Chapter27

... B. has a collapsed lung and severe hypoxia. Rationale: This will produce an absence or decrease of breath sounds and unilateral chest wall expansion. C. has extensive bleeding into the pericardial sac. Rationale: This will produce muffled heart sounds and decreased cardiac output. D. is at extremely ...
A persistent left superior vena cava
A persistent left superior vena cava

... resulting in the failure to ensure retrograde flow of cardioplegia to the myocardium. Also, cardioplegia delivered would largely be distributed to the left internal jugular and left subclavian veins, rather than myocardium. The coronary sinus would have to be carefully dissected during heart transpl ...
Chapter_009
Chapter_009

... Pulmonary arterial blood returns via pulmonary veins to left atrium From left atrium oxygenated blood flows through mitral valve into left ventricle Left ventricle pumps the blood out through aortic valve into systemic circulation ...
Heart Failure with Preserved Left Ventricular Systolic Function (HF
Heart Failure with Preserved Left Ventricular Systolic Function (HF

... showing that patients with PSF have smaller echocardiographic LV dimensions in diastole and systole (22). Philbin et al. (26) and Varela-Roman et al. (31) found that patients with PSF are less likely to be in a higher New York Heart Association (NYHA) class, a finding confirmed in the IN-CHF study ( ...
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Cardiac surgery



Cardiovascular (heart) surgery is surgery on the heart or great vessels performed by cardiac surgeons. Frequently, it is done to treat complications of ischemic heart disease (for example, coronary artery bypass grafting), correct congenital heart disease, or treat valvular heart disease from various causes including endocarditis, rheumatic heart disease and atherosclerosis. It also includes heart transplantation.
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