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Influence of left ventricular lead position relative to scar location on
Influence of left ventricular lead position relative to scar location on

... Figure 1 Overview of the CircAdapt model and the simulation protocol. (A) shows the closed-loop circulation designed as a network of modules representing atrial and ventricular cardiac walls subdivided into patches, blood vessels (arteries and veins), cardiac valves (AV, aortic valve; MV, mitral val ...
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... vascular endothelium. Functional changes in the vascular milieu ultimately result in the subintimal collections of fat, smooth muscle cells, fibroblasts, and intercellular matrix that define the atherosclerotic plaque. This process develops at irregular rates in different segments of the epicardial ...
Thoracic Radiology
Thoracic Radiology

... When the animal lies on its side the dependant lung is relatively compressed and the uppermost lung is well inflated. If there is a lesion in the dependant lung it may not be visualised because of the lack of contrast in the dependant lung. In order to identify as many abnormalities as possible two ...
Kathleen Stergiopoulos, Elaine Shiang, and Travis Bench 2011;58;337-350 doi:10.1016/j.jacc.2011.04.014
Kathleen Stergiopoulos, Elaine Shiang, and Travis Bench 2011;58;337-350 doi:10.1016/j.jacc.2011.04.014

... and/or stenosis, degree of pulmonary hypertension, and—if present—aortic root dilation can be quantified. Importantly, the left ventricular or systemic ventricular systolic function can also be determined. In certain congenital heart disease patients, assessment of the right heart size and function ...
Study of Third Coronary Artery in Adult Human Cadaveric Hearts
Study of Third Coronary Artery in Adult Human Cadaveric Hearts

... Usually there are two coronary arteries, right and left. Sometimes supernumerary arteries may arise from the anterior aortic sinus. Commonest among them is the third coronary artery. A third coronary artery (TCA) has been defined as a direct branch from the anterior aortic sinus (Right coronary sinu ...
the 12 leads ECG - HumanPhysiology.Academy
the 12 leads ECG - HumanPhysiology.Academy

... The Einthoven leads are essentially bipolar leads; that is, they record from two electrodes simultaneously, one positive and one negative and the signal is a composite of the current picked up at both sites. These leads are therefore called bipolar leads. ...
Cardiac MRI in Left Ventricular Hypertrophy: From the Etiological
Cardiac MRI in Left Ventricular Hypertrophy: From the Etiological

... of sport ("Athlete's heart") is a different condition. Differential diagnosis is foreground and often challenging because associations are so frequent: Hypertension with aortic stenosis, HCM with hypertension, amyloidosis with aortic stenosis, sport and hypertension, sport and HCM… Table 1: Main cau ...
Low pressure giant pulmonary artery aneurysms in the adult: natural
Low pressure giant pulmonary artery aneurysms in the adult: natural

... replacement of the main pulmonary artery, and pulmonary arterial aneurysmorrhaphy.13–15 One of our patients had a Dacron graft replacement and the other patients had pulmonary arterial aneurysmorrhaphy/plication. All had pulmonary valve replacement, thereby relieving not only right ventricular volum ...
Exercise Capacity in Patients with Severe Left Ventricular Dysfunction
Exercise Capacity in Patients with Severe Left Ventricular Dysfunction

... SUMMARY Normal or near-normal exercise capacity has been thought to reflect normal left ventricular function. Many compensatory mechanisms could preserve exercise capacity in patients with severe left ventricular dysfunction. We evaluated exercise capacity using a treadmill exercise test in 26 patie ...
Detection of scarred and viable myocardium using a new magnetic
Detection of scarred and viable myocardium using a new magnetic

... Downloaded from http://heart.bmj.com/ on May 3, 2017 - Published by group.bmj.com BOLD MRI to detect viable myocardium ...
D: Chapter 4
D: Chapter 4

... muscular pump that stands at the operational center of the system that pumps liquid blood throughout the body through three types of flexible tubes, the blood vessels (Fig. 4.1). The arteries channel blood from the heart to all parts of the body needing service. Once there, the blood passes through ...
Inhaled Nitric Oxide Reduces Pulmonary Vascular Resistance More
Inhaled Nitric Oxide Reduces Pulmonary Vascular Resistance More

... ng 䡠 kg䡠 ⫺1min⫺1 starting 10 min before weaning from cardiopulmonary bypass (CPB) (n ⫽ 34) or inhalation of 4 ppm nitric oxide starting just before weaning from CPB (n ⫽ 34). Both treatments were increased stepwise, if necessary, and were stopped 6 h postoperatively. Hemodynamic values were recorded ...
(B) is false. - WordPress.com
(B) is false. - WordPress.com

... that seen with a pericardial effusion. • (C) Outcome is worse when the cardiothoracic ratio is >0.65 on chest x-ray. • (D) Intra-atrial conduction disturbance including PR interval prolongation and tall P waves can be seen. • (E) A right bundle branch block can be seen. ...
Stenotic Semilunar Valve in Persistent Truncus Arteriosus
Stenotic Semilunar Valve in Persistent Truncus Arteriosus

... bounding in contour, although the degree of semilunar valvular incompetence was barely appreciable by aortography. A stenotic semilunar valve may be incompetent to the extent that it cannot close in diastole. A severely stenotic valve may be minimally incompetent, since the orifice is small. The cha ...
An Unusual Coronary Trinity: Single Left Coronary Artery with the
An Unusual Coronary Trinity: Single Left Coronary Artery with the

... proposed by Lipton, on the other hand, categorizes patterns according to whether the aberrantly coursing artery (RCA or LCA) originates from the single undivided CA or as a branch of the individual coronary arteries.3 Type I pattern: The single CA may arise from the right or left aortic sinus. When ...
How to diagnose diastolic heart failure: a consensus
How to diagnose diastolic heart failure: a consensus

... data on diastolic LV dysfunction therefore provided no additional diagnostic information and was therefore only of confirmatory significance. As this study looked at patients with a well-established history of heart failure, these results cannot be extrapolated to patients presenting solely with sympt ...
ECG INTRODUCTION (Lecture 1)
ECG INTRODUCTION (Lecture 1)

... cellular repolarization, cells in the epicardial region have the fastest rate of repolarization and repolarize first following ventricular contraction. The rate of cellular repolarization is then progressively slower as we move from the epicardium towards the endocardium. ...
Progress toward controlling in vivo fibrillating sheep
Progress toward controlling in vivo fibrillating sheep

... dynamical systems displaying temporal instabilities and chaos, where it is now possible to control chaos, delay the onset of bifurcations and instabilities, and direct a trajectory to a desired target state by applying only minute perturbations to the system. The control strategies are quite general ...
How to diagnose diastolic heart failure: a consensus statement on
How to diagnose diastolic heart failure: a consensus statement on

... required. This re-appraisal should address the critiques, which have been phrased concerning the original set of criteria, and should accommodate new pathophysiological insights, modern cardiac imaging technology, and the widespread clinical use of heart failure biomarkers. ...
Effect of adenosine on heart rate variability in
Effect of adenosine on heart rate variability in

... Subjects Nine healthy, non-smoking, male volunteers (age 33p9 years ; weight 79p6 kg ; height 178p5 cm) were enrolled in this series, which was approved by our institutional Ethics Committee [9]. All subjects provided written informed consent prior to their participation. ...
Telemedicine for Post-Myocardial Infarction Patients - Tel
Telemedicine for Post-Myocardial Infarction Patients - Tel

... period in all 26 intensive cardiac care units operating in Israel and described in detail elsewhere.9 It was extended to 6 months in 2004 (from February to July). The ACSIS data were collected on specific forms for all participants by dedicated study physicians in the intensive cardiac care units. E ...
Extreme sacrifice: sudden cardiac death in the US Fire Service
Extreme sacrifice: sudden cardiac death in the US Fire Service

[Type text] RAJIV GANDHI UNIVERSITY OF HEALTH SCIENCES
[Type text] RAJIV GANDHI UNIVERSITY OF HEALTH SCIENCES

... 22 per cent in the West. This trend is particularly alarming because of its potential impact on one of Asia's fastest-growing economies. In 2000, for example, India lost more than five times as many years of economically productive life to cardiovascular disease than did the U.S., where most of thos ...
High Intensity Training (HIT)
High Intensity Training (HIT)

... moderate-intensity continuous exercise (MICE). HIIT gives rise to many short and long-term central and peripheral adaptations in these populations. In stable and selected patients, it induces substantial clinical improvements, superior to those achieved by MICE, including beneficial effects on sever ...
Non-Invasive Transcutaneous Pacing
Non-Invasive Transcutaneous Pacing

... of 60. Since the two rates are very close, pacer spikes and intrinsic beats may occur very close to each other for several seconds. In this circumstance, the defibrillator may think the beats are paced based on its simple timing algorithm, but in fact the beats are intrinsic and the timing coinciden ...
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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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