PDF file - Nowotwory
... Electrolyte disorders can alter cardiac ionic currents kinetics and depending on the changes can promote proarrhythmic or antiarrhythmic effects. The present report reviews the mechanisms, electrophysiolgical (EP), electrocardiographic (ECG), and clinical consequences of electrolyte disorders. Potas ...
... Electrolyte disorders can alter cardiac ionic currents kinetics and depending on the changes can promote proarrhythmic or antiarrhythmic effects. The present report reviews the mechanisms, electrophysiolgical (EP), electrocardiographic (ECG), and clinical consequences of electrolyte disorders. Potas ...
Role of Structural Barriers in the Mechanism of Alternans
... rate of 150 bpm during control and in the presence of the structural barrier. Mean conduction velocity transverse to fibers measured during control (24 ...
... rate of 150 bpm during control and in the presence of the structural barrier. Mean conduction velocity transverse to fibers measured during control (24 ...
Effects of right ventricular pacing on left ventricular ejection fraction
... between the first measurement at the time of the pacemaker implantation and the last measurement at the time of the last pacemaker control is dependent on the extent of ventricular pacing, even if other factors such as age, gender and previous myocardial infarction are incorporated in the analysis. ...
... between the first measurement at the time of the pacemaker implantation and the last measurement at the time of the last pacemaker control is dependent on the extent of ventricular pacing, even if other factors such as age, gender and previous myocardial infarction are incorporated in the analysis. ...
STUDIES ON THE CONSECUTIVE PHASES OF THE CARDIAC
... diastolic inflow phase. de Heer (12) points out that the former represents a phase in which the ventricle relaxes with all valves closed, i.e., isometrically. Accordingly, the interval between the closure of the semilunar valves and the opening of the a-v valves might be designated as the isometric- ...
... diastolic inflow phase. de Heer (12) points out that the former represents a phase in which the ventricle relaxes with all valves closed, i.e., isometrically. Accordingly, the interval between the closure of the semilunar valves and the opening of the a-v valves might be designated as the isometric- ...
The Principal Title Page
... – Left Atrial enlarged significantly – May also have reduced EF – This would be diastolic heart failure rather than systolic failure. (Often hard to differentiate whether its systolic or diastolic failure at this because of the complex issues at play and it’s probable they could be experiencing both ...
... – Left Atrial enlarged significantly – May also have reduced EF – This would be diastolic heart failure rather than systolic failure. (Often hard to differentiate whether its systolic or diastolic failure at this because of the complex issues at play and it’s probable they could be experiencing both ...
Computational Fluid Dynamic Analysis to Prevent Aortic Root and
... CFD analysis has previously been used to determine the optimum position for inflow cannula position on the ascending aorta to reduce the incidence of cerebral embolism during cardiopulmonary bypass; however, they did not study root stasis (10). A widget at the level of the inflow cannula and aortic ...
... CFD analysis has previously been used to determine the optimum position for inflow cannula position on the ascending aorta to reduce the incidence of cerebral embolism during cardiopulmonary bypass; however, they did not study root stasis (10). A widget at the level of the inflow cannula and aortic ...
CARDIAC PACING
... Monitor for evidence of lead migration and perforation of heart Observe for muscle twitching and hiccups Evaluate chest pain Auscultate foe friction rub Observe for signs of cardiac tamponade ...
... Monitor for evidence of lead migration and perforation of heart Observe for muscle twitching and hiccups Evaluate chest pain Auscultate foe friction rub Observe for signs of cardiac tamponade ...
Heart failure with preserved ejection fraction: chronic low
... tive therapeutic modality in the treatment of patients with stable heart failure (HF) due to left ventricular (LV) systolic dysfunction (9, 25, 37, 58, 63). However, a significant limitation of these studies was the exclusion of patients with symptoms of HF who have preserved ejection fraction (HFpE ...
... tive therapeutic modality in the treatment of patients with stable heart failure (HF) due to left ventricular (LV) systolic dysfunction (9, 25, 37, 58, 63). However, a significant limitation of these studies was the exclusion of patients with symptoms of HF who have preserved ejection fraction (HFpE ...
Percutaneous Pulmonary Valve Implantation for RVOT Defects
... ventricular septal defect, tetralogy of Fallot, transposition of the great arteries, and truncus arteriosus. In addition, congenital aortic valve defects can be corrected by placing the patient’s own pulmonary valve into the aortic position and using a homograft or bovine jugular vein in the pulmoni ...
... ventricular septal defect, tetralogy of Fallot, transposition of the great arteries, and truncus arteriosus. In addition, congenital aortic valve defects can be corrected by placing the patient’s own pulmonary valve into the aortic position and using a homograft or bovine jugular vein in the pulmoni ...
Evaluation of the Contractile State of the of the
... A statement of validity of the method proposed in the present investigation should be supported by an affirmative answer to the following questions: (1) Does the upstroke of the systolic phase of the apexcardiogram correspond to the isometric contraction of the left ventricle? (2) Does the parameter ...
... A statement of validity of the method proposed in the present investigation should be supported by an affirmative answer to the following questions: (1) Does the upstroke of the systolic phase of the apexcardiogram correspond to the isometric contraction of the left ventricle? (2) Does the parameter ...
Dynamics of low-frequency R-R interval oscillations preceding
... hours. Patients were divided into those with a decrease in LFP in the 2-hour period before VI (group A, n = 32) and those with an increase or no change (group B, n = 15). The data were logarithmically transformed. Heart rate increased 15 minutes before the onset of VI" compared with the 24-hour mean ...
... hours. Patients were divided into those with a decrease in LFP in the 2-hour period before VI (group A, n = 32) and those with an increase or no change (group B, n = 15). The data were logarithmically transformed. Heart rate increased 15 minutes before the onset of VI" compared with the 24-hour mean ...
PDF
... can be seen in the neonate, but sometimesolder children are diagnosed, after a high blood pressure is detected. When fetal diagnosis of coarctation is made or suspected, delivery must be foreseen in a centre where specialised cardiac care can take place. intravenous Prostaglandines type 1 are used n ...
... can be seen in the neonate, but sometimesolder children are diagnosed, after a high blood pressure is detected. When fetal diagnosis of coarctation is made or suspected, delivery must be foreseen in a centre where specialised cardiac care can take place. intravenous Prostaglandines type 1 are used n ...
Relation of left ventricular twist and global strain with right ventricular
... Current surgical techniques have improved the clinical outcome of patients with tetralogy of Fallot.(1) However, after the third postoperative decade, the risk of death increases dramatically. (2) Recent studies have demonstrated that reduced left ventricular (LV) ejection fraction and right ventric ...
... Current surgical techniques have improved the clinical outcome of patients with tetralogy of Fallot.(1) However, after the third postoperative decade, the risk of death increases dramatically. (2) Recent studies have demonstrated that reduced left ventricular (LV) ejection fraction and right ventric ...
Print - Circulation
... Blood Institute. There were 51 men and 10 women in the study, ranging in age from 19 to 72 years (mean, 43 years). Fifty-one patients underwent operation because of moderate to severe cardiac symptoms (New York Heart Association functional Class III or IV). The other 10 patients were either asymptom ...
... Blood Institute. There were 51 men and 10 women in the study, ranging in age from 19 to 72 years (mean, 43 years). Fifty-one patients underwent operation because of moderate to severe cardiac symptoms (New York Heart Association functional Class III or IV). The other 10 patients were either asymptom ...
Print this article - Medical Journal of Indonesia
... Intracardiac thrombus may persist in some cases even after anticoagulant therapy. This opens a possibility to add a potent thrombolytic agent into therapeutic regimen without increasing bleeding risk any further. Increasing evidence showed a promising efficacy and safety of oral fibrin specific lumb ...
... Intracardiac thrombus may persist in some cases even after anticoagulant therapy. This opens a possibility to add a potent thrombolytic agent into therapeutic regimen without increasing bleeding risk any further. Increasing evidence showed a promising efficacy and safety of oral fibrin specific lumb ...
Chronic Coronary Artery Constriction Leads to Moderate
... cells. (J. Clin. Invest. 1992. 89:618-629.) Key words: left and right ventricular dynamics * myocardial damage. myocyte hypertrophy * ventricular remodeling * wall stress ...
... cells. (J. Clin. Invest. 1992. 89:618-629.) Key words: left and right ventricular dynamics * myocardial damage. myocyte hypertrophy * ventricular remodeling * wall stress ...
Nano-imaging of the beating mouse heart in vivo
... anterior surface of the left ventricle (LV) under ventilation (200 µl at 300 per min). The animal was warmed at 38°C (Bio Research Center Co., Ltd.). The ADV solution diluted by PBS () (viral titer, 1011–1012 particles per ml) was injected into the epicardial surface of the central region of the L ...
... anterior surface of the left ventricle (LV) under ventilation (200 µl at 300 per min). The animal was warmed at 38°C (Bio Research Center Co., Ltd.). The ADV solution diluted by PBS () (viral titer, 1011–1012 particles per ml) was injected into the epicardial surface of the central region of the L ...
Articles in PresS. Am J Physiol Heart Circ Physiol (September 25
... 1.2 mg.mm-1). ZSF1 Ob also showed baseline elevation in τexp, delayed onset of diastole as assessed ...
... 1.2 mg.mm-1). ZSF1 Ob also showed baseline elevation in τexp, delayed onset of diastole as assessed ...
Late Systolic Murmurs and Non-Ejection - Heart
... intensity, and end of each murmur expressed as a percentage of the Q-A interval-see text. The mitral component of the first heart sound (M) is indicated, at an arbitrary distance of 0-06 sec. after Q, in order EO demonstrate the cadence of the murmurs on clinical auscultation. The positions of the s ...
... intensity, and end of each murmur expressed as a percentage of the Q-A interval-see text. The mitral component of the first heart sound (M) is indicated, at an arbitrary distance of 0-06 sec. after Q, in order EO demonstrate the cadence of the murmurs on clinical auscultation. The positions of the s ...
The Relationship Between the Right€Ventricle and its Load
... In pulmonary hypertension, the right ventricle adapts to the increasing vascular load by enhancing contractility (“coupling”) to maintain flow. Ventriculoarterial coupling implies that stroke volume changes little while preserving ventricular efficiency. Ultimately, a phase develops where ventricular ...
... In pulmonary hypertension, the right ventricle adapts to the increasing vascular load by enhancing contractility (“coupling”) to maintain flow. Ventriculoarterial coupling implies that stroke volume changes little while preserving ventricular efficiency. Ultimately, a phase develops where ventricular ...
Document
... The right ventricle remodeling is concomitant with an increase in the pulmonary resistance (Fig. 1). When the pulmonary arterial pressure progressively increases from a normal value (Fig. 1a) to a value corresponding to a light pulmonary hypertension (Fig. 1b), pulmonary arteries are slightly vasoco ...
... The right ventricle remodeling is concomitant with an increase in the pulmonary resistance (Fig. 1). When the pulmonary arterial pressure progressively increases from a normal value (Fig. 1a) to a value corresponding to a light pulmonary hypertension (Fig. 1b), pulmonary arteries are slightly vasoco ...
Double Outlet Right Ventricle With Pulmonary Stenosis - Heart
... ventricular septal defect which lies near to the pulmonary artery and is relatively remote from the aortic orifice. Flow from the right ventricle is mainly into the aorta, and these patients are cyanotic from birth. Type 2b. Here there is a large supracristal ventricular septal defect related to bot ...
... ventricular septal defect which lies near to the pulmonary artery and is relatively remote from the aortic orifice. Flow from the right ventricle is mainly into the aorta, and these patients are cyanotic from birth. Type 2b. Here there is a large supracristal ventricular septal defect related to bot ...
Pacing Lead Perforation on the Right Side of the Heart
... the lead drops into the right ventricle whereupon the ST elevation disappears and the QRS morphology becomes consistent with an intracavitary recording. ...
... the lead drops into the right ventricle whereupon the ST elevation disappears and the QRS morphology becomes consistent with an intracavitary recording. ...
Arrythmias and EKGs
... not be appropriate in the setting of severe cardiovascular decompensation ...
... not be appropriate in the setting of severe cardiovascular decompensation ...
Basic Concepts of Diastolic Function
... triangular-shaped waveforms appear below the baseline. The first wave, the E-wave, represents early diastolic filling and the second wave, the A-wave, represents atrial contraction. The period of relatively little flow between the two waves is diastasis. As with most of the diastolic interrogation m ...
... triangular-shaped waveforms appear below the baseline. The first wave, the E-wave, represents early diastolic filling and the second wave, the A-wave, represents atrial contraction. The period of relatively little flow between the two waves is diastasis. As with most of the diastolic interrogation m ...
Hypertrophic cardiomyopathy
Hypertrophic cardiomyopathy (HCM) is a primary disease of the myocardium (the muscle of the heart) in which a portion of the myocardium is hypertrophied (thickened) without any obvious cause, creating functional impairment of the cardiac muscle. It is a leading cause of sudden cardiac death in young athletes.The occurrence of hypertrophic cardiomyopathy is a significant cause of sudden unexpected cardiac death in any age group and as a cause of disabling cardiac symptoms. Younger people are likely to have a more severe form of hypertrophic cardiomyopathy.HCM is frequently asymptomatic until sudden cardiac death, and for this reason some suggest routinely screening certain populations for this disease.A cardiomyopathy is a disease that affects the muscle of the heart. With HCM, the myocytes (cardiac contractile cells) in the heart increase in size, which results in the thickening of the heart muscle. In addition, the normal alignment of muscle cells is disrupted, a phenomenon known as myocardial disarray. HCM also causes disruptions of the electrical functions of the heart. HCM is most commonly due to a mutation in one of nine sarcomeric genes that results in a mutated protein in the sarcomere, the primary component of the myocyte (the muscle cell of the heart). These are predominantly single-point missense mutations in the genes for beta-myosin heavy chain (MHC), myosin-binding protein C, cardiac troponinT, or tropomyosin. These mutations cause myofibril and myocyte structural abnormalities and possible deficiencies in force generation. Not to be confused with dilated cardiomyopathy or any other cardiomyopathy.While most literature so far focuses on European, American, and Japanese populations, HCM appears in all ethnic groups. The prevalence of HCM is about 0.2% to 0.5% of the general population.