heart failure - WordPress.com
... • It occurs in chronic lung disease, pulmonary valve stenosis. There is reduction of RV output and back pressure on right atrium ( Increased JVP, Liver enlargement, peripheral edema ). 3. Biventricular failure • It affects both ventricle and occurs in dilated Cardiomyopathy, ischemic heart disease, ...
... • It occurs in chronic lung disease, pulmonary valve stenosis. There is reduction of RV output and back pressure on right atrium ( Increased JVP, Liver enlargement, peripheral edema ). 3. Biventricular failure • It affects both ventricle and occurs in dilated Cardiomyopathy, ischemic heart disease, ...
Cardiac Memory and Review
... apicobasal changes in repolarization occur with longterm CM has not yet been investigated. CM also has been described in canine atrium, via calculation of an atrial gradient from X, Y, and Z loops of PTa waves.7 Pacing from sites that alter atrial activation (e.g., left atrial appendage) induces an ...
... apicobasal changes in repolarization occur with longterm CM has not yet been investigated. CM also has been described in canine atrium, via calculation of an atrial gradient from X, Y, and Z loops of PTa waves.7 Pacing from sites that alter atrial activation (e.g., left atrial appendage) induces an ...
echocardiographic differentiation of pre
... and aortic valvulopathies), leading to post-capillary PH. Patients with associated pulmonary disease or pulmonary embolism were excluded from the postcapillary group. Patients with pre-capillary PH were referred to our cardiology ward from the “Marius Nasta” Institute of Pneumology, and were all inc ...
... and aortic valvulopathies), leading to post-capillary PH. Patients with associated pulmonary disease or pulmonary embolism were excluded from the postcapillary group. Patients with pre-capillary PH were referred to our cardiology ward from the “Marius Nasta” Institute of Pneumology, and were all inc ...
Fibroblast growth factor 23 in acute myocardial infarction
... preserved renal function [15]. This close association between FGF-23 and myocardial disease was further confirmed in two recent cohort studies that selectively recruited patients with stable chronic systolic heart failure, among whom FGF-23 independently predicted cardiovascular events and total mor ...
... preserved renal function [15]. This close association between FGF-23 and myocardial disease was further confirmed in two recent cohort studies that selectively recruited patients with stable chronic systolic heart failure, among whom FGF-23 independently predicted cardiovascular events and total mor ...
Valvular heart disease - pathophysiology and management
... Many disease processes affect the cardiac valves. Disease may cause valve stenosis (narrowing) or regurgitation (blood leaking in the wrong direction), with haemodynamic consequences. Acute or subacute infection, most commonly bacterial endocarditis, can destroy heart valves, as can connective tissu ...
... Many disease processes affect the cardiac valves. Disease may cause valve stenosis (narrowing) or regurgitation (blood leaking in the wrong direction), with haemodynamic consequences. Acute or subacute infection, most commonly bacterial endocarditis, can destroy heart valves, as can connective tissu ...
Role of percutaneous left ventricular assist devices in preventing
... reprinted with permission from Abiomed (MA, USA). (B) TandemHeart®. Reprinted with permission from CardiacAssist (PA, USA). ...
... reprinted with permission from Abiomed (MA, USA). (B) TandemHeart®. Reprinted with permission from CardiacAssist (PA, USA). ...
The Atrial Fibrillation And Stroke Thromboprophylaxis in hEart
... I would like to express my thanks to my supervisors Dr. Sally Inglis & Dr. Phil Newton, and Professor Peter Macdonald for the practical supervision during my candidacy. I am forever indebted. To my peers and colleagues in the Centre and the Faculty I thank for your support. There are far too many to ...
... I would like to express my thanks to my supervisors Dr. Sally Inglis & Dr. Phil Newton, and Professor Peter Macdonald for the practical supervision during my candidacy. I am forever indebted. To my peers and colleagues in the Centre and the Faculty I thank for your support. There are far too many to ...
EMBC`2009 - 1st paper - final
... signal. These are the main features applied for the detection of the opening of the aortic valve in S1. The instantaneous energy and frequency are computed using the Wigner-Ville transform and the non-linear gain is obtained using a combined homomorphic and low-pass filtering approach. In fig. 3 the ...
... signal. These are the main features applied for the detection of the opening of the aortic valve in S1. The instantaneous energy and frequency are computed using the Wigner-Ville transform and the non-linear gain is obtained using a combined homomorphic and low-pass filtering approach. In fig. 3 the ...
Functional Morphology of the Heart in Mammals
... orifice and that another apparently similar valve is less efficient. Ventricular inversion is in effect a translocation of morphological units within the heart, and its consideration at this point illustrates the usefulness of studying the abnormal alongside the normal for the better understanding o ...
... orifice and that another apparently similar valve is less efficient. Ventricular inversion is in effect a translocation of morphological units within the heart, and its consideration at this point illustrates the usefulness of studying the abnormal alongside the normal for the better understanding o ...
Coronary Artery Anatomy in Left Bundle Branch Block
... affect the results in a systematic fashion. Further, because a similar method was used in the work referred to above, a difference in techniques cannot explain the differences in the observed lengths of the LMCA. Lewis et al. speculated that the association between a short LMCA and LBBB could be exp ...
... affect the results in a systematic fashion. Further, because a similar method was used in the work referred to above, a difference in techniques cannot explain the differences in the observed lengths of the LMCA. Lewis et al. speculated that the association between a short LMCA and LBBB could be exp ...
ICD for Primary Prophylaxis of Sudden Cardiac Death: An Indian
... The acceptance and implementation of a single parameter, ejection fraction (EF) as being sufficient to qualify for an implant in patients of CAD and no prior arrhythmia, is proof of this evolutionary phase. While MADIT II and SCDHeFT results continue to get debated and analyzed in depth at various s ...
... The acceptance and implementation of a single parameter, ejection fraction (EF) as being sufficient to qualify for an implant in patients of CAD and no prior arrhythmia, is proof of this evolutionary phase. While MADIT II and SCDHeFT results continue to get debated and analyzed in depth at various s ...
Risk of Ventricular Arrhythmia After Implantable Defibrillator
... stratified by occurrence of appropriate ICD therapies. The mean anxiety score (STAI) was 39.5 ⫾ 11.7, and the mean depressive score (BDI) was 8.9 ⫾ 6.7. Increased levels of anxiety were experienced by 47.8% (187 of 391) of patients and increased levels of depression by 35.3% (138 of 91) of patients. ...
... stratified by occurrence of appropriate ICD therapies. The mean anxiety score (STAI) was 39.5 ⫾ 11.7, and the mean depressive score (BDI) was 8.9 ⫾ 6.7. Increased levels of anxiety were experienced by 47.8% (187 of 391) of patients and increased levels of depression by 35.3% (138 of 91) of patients. ...
Infective Endocarditis
... The mitral and aortic valves are affected most commonly in cases involving a single valve. Subacute endocarditis involves mitral valve. Acute disease involves aortic valve. 35% of cases involve concomitant infections of aortic and mitral valves. Infection of tricuspid valve is less common, and relat ...
... The mitral and aortic valves are affected most commonly in cases involving a single valve. Subacute endocarditis involves mitral valve. Acute disease involves aortic valve. 35% of cases involve concomitant infections of aortic and mitral valves. Infection of tricuspid valve is less common, and relat ...
Arrhythmias
... o Progressive prolongation of PR interval leading finally to the dropout of a QRS complex & then the cycle is repeated. ( notice that there is irregular pulse ). o This condition is not too serious and may occur physiologically during sleep in athletes. Type II 2nd degree ( Mobitz II ) : ...
... o Progressive prolongation of PR interval leading finally to the dropout of a QRS complex & then the cycle is repeated. ( notice that there is irregular pulse ). o This condition is not too serious and may occur physiologically during sleep in athletes. Type II 2nd degree ( Mobitz II ) : ...
Ventricular Assist Devices and Total Artificial Hearts
... Intra-aortic balloon pump (IABP) devices have been developed as a treatment for cardiogenic shock. IABPs consist of a helium-filled balloon placed in the aorta that deflates during cardiac systole to increase forward blood flow. The inflation and deflation of the balloon is computer-controlled, and ...
... Intra-aortic balloon pump (IABP) devices have been developed as a treatment for cardiogenic shock. IABPs consist of a helium-filled balloon placed in the aorta that deflates during cardiac systole to increase forward blood flow. The inflation and deflation of the balloon is computer-controlled, and ...
Increase of QRS Duration as a Predictor of Impending Ventricular
... onset was studied using a ROC curve analysis. The optimum value for the local widening ∆QRSd in terms of sensitivity and specificity was established. Besides this local increment an additional condition was imposed, requiring that QRS duration has to be larger than a threshold to consider the animal ...
... onset was studied using a ROC curve analysis. The optimum value for the local widening ∆QRSd in terms of sensitivity and specificity was established. Besides this local increment an additional condition was imposed, requiring that QRS duration has to be larger than a threshold to consider the animal ...
PDF Article
... has been suggested (17) that metabolic changes during exercise may contribute to the hyperventilatory response. Ultrastructural and histochemical changes have been demonstrated in limb skeletal muscle in patients with chronic heart failure (24). It has been proposed (25) that these changes may be du ...
... has been suggested (17) that metabolic changes during exercise may contribute to the hyperventilatory response. Ultrastructural and histochemical changes have been demonstrated in limb skeletal muscle in patients with chronic heart failure (24). It has been proposed (25) that these changes may be du ...
Circulatory Shock
... Brierly J, Carcillo JA, Choong K et al. Clinical Practice Parameters for Hemodynamic Support of Pediatric and Neonatal Septic Shock: 2007 Update from the American College of Critical Care Medicine. Critical ...
... Brierly J, Carcillo JA, Choong K et al. Clinical Practice Parameters for Hemodynamic Support of Pediatric and Neonatal Septic Shock: 2007 Update from the American College of Critical Care Medicine. Critical ...
06. Interventions for Clients with Dysrhythmias
... Ectopic focus of atrial tissue fires an impulse before the next sinus impulse is due. Clinical manifestations - the client is usually asymptomatic, except for possible heart palpitations, ...
... Ectopic focus of atrial tissue fires an impulse before the next sinus impulse is due. Clinical manifestations - the client is usually asymptomatic, except for possible heart palpitations, ...
ICD (implantable Cardioverter"Defibrillator)
... A heart disease, which you might have had for a long time, and which is already being treated by a heart specialist (cardiologist), has led to the recommendation for an Implantable Cardioverter-Defibrillator (ICD) surgery for you. This device can prevent sudden cardiac death and save your life. You ...
... A heart disease, which you might have had for a long time, and which is already being treated by a heart specialist (cardiologist), has led to the recommendation for an Implantable Cardioverter-Defibrillator (ICD) surgery for you. This device can prevent sudden cardiac death and save your life. You ...
TCD for assessment of stroke risk in SCD
... Philips Healthcare (Best, the Netherlands; www.medical.philips.com) ...
... Philips Healthcare (Best, the Netherlands; www.medical.philips.com) ...
Elevated resistin opposed to adiponectin or
... of the 3 main coronary arteries supplying the myocardium, is a common manifestation of advanced coronary atherosclerosis [2]. It has been estimated to represent as much as 50% of all the cases of CAD. Such severity of coronary atherosclerosis leads to common atherothrombotic complications resulting ...
... of the 3 main coronary arteries supplying the myocardium, is a common manifestation of advanced coronary atherosclerosis [2]. It has been estimated to represent as much as 50% of all the cases of CAD. Such severity of coronary atherosclerosis leads to common atherothrombotic complications resulting ...
Approach to STEMI and NSTEMI Introduction Lal C Daga
... subsequent dose of aspirin can be 75 to 100mg daily on a long term basis. GI bleeding appears to increase with higher doses. Clopidogrel is recommended in all patients with an immediate dose of 300 mg followed by 75 mg daily. In patients considered for a PCI, a loading dose of 600 mg is advised to a ...
... subsequent dose of aspirin can be 75 to 100mg daily on a long term basis. GI bleeding appears to increase with higher doses. Clopidogrel is recommended in all patients with an immediate dose of 300 mg followed by 75 mg daily. In patients considered for a PCI, a loading dose of 600 mg is advised to a ...
Biventricular implantable cardioverter defibrillator use in
... Implantable defibrillator and biventricular pacemaker device during biventricular pacing. This could occur if, during biventricular pacing, the RV pacing spike was sensed as a separate ventricular event from the pacing spike from the LV electrode. This would cause ‘doublecounting’ of the number of ...
... Implantable defibrillator and biventricular pacemaker device during biventricular pacing. This could occur if, during biventricular pacing, the RV pacing spike was sensed as a separate ventricular event from the pacing spike from the LV electrode. This would cause ‘doublecounting’ of the number of ...
Assessment of Diastolic Function in Heart Failure and Atrial Fibrillation
... also a progression of abnormal diastolic patterns that occurs over time with cardiac diseases. In the early stage of dysfunction, impaired relaxation of the LV dominates, which decreases early diastolic filling although filling pressures remain normal in the rest state. This is reflected by a decrea ...
... also a progression of abnormal diastolic patterns that occurs over time with cardiac diseases. In the early stage of dysfunction, impaired relaxation of the LV dominates, which decreases early diastolic filling although filling pressures remain normal in the rest state. This is reflected by a decrea ...
Cardiac contractility modulation
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Cardiac contractility modulation (CCM) is a treatment for patients with moderate to severe left ventricular systolic heart failure (NYHA class II–IV). The short- and long-term use of this therapy enhances both the strength of ventricular contraction and the heart’s pumping capacity. The CCM mechanism is based on stimulation of the cardiac muscle by non-excitatory electrical signals (NES). CCM treatment is delivered by a pacemaker-like device that applies the NES, adjusted to and synchronized with the electrical action in the cardiac cycle.In CCM therapy, electrical stimulation is applied to the cardiac muscle during the absolute refractory period. In this phase of the cardiac cycle, electrical signals cannot trigger new cardiac muscle contractions, hence this type of stimulation is known as a non-excitatory stimulation. However, the electrical CCM signals increase the influx of calcium ions into the cardiac muscle cells (cardiomyocytes). In contrast to other electrical stimulation treatments for heart failure, such as pacemaker therapy or implantable cardioverter defibrillators (ICD), CCM does not affect the cardiac rhythm directly. Rather, the aim is to enhance the heart’s natural contraction (the native cardiac contractility) sustainably over long periods of time. Furthermore, unlike most interventions that increase cardiac contractility, CCM is not associated with an unfavorable increase in oxygen demand by the heart (measured in terms of Myocardial Oxygen Consumption or MVO2). This may be explained by the beneficial effect CCM has in improving cardiac efficiency. A meta-analysis in 2014 and an overview of device-based treatment options in heart failure in 2013 concluded that CCM treatment is safe, that it is generally beneficial to patients and that CCM treatment increases the exercise tolerance (ET) and quality of life (QoL) of patients. Furthermore, preliminary long-term survival data shows that CCM is associated with lower long-term mortality in heart failure patients when compared with expected rates among similar patients not treated with CCM.