Metastatic Cancer to the Heart
... eonduction system by infiltration of cancer. In the latter instance, the arrhythnmias or rate changes provide important clues for antemortem diagnosis. Doane and Pressman44 stated that whenever the right heart is involved, the intervenltricular septum is likely to share in the process and the conduc ...
... eonduction system by infiltration of cancer. In the latter instance, the arrhythnmias or rate changes provide important clues for antemortem diagnosis. Doane and Pressman44 stated that whenever the right heart is involved, the intervenltricular septum is likely to share in the process and the conduc ...
Chapter 14 Paroxysmal Supraventricular Tachycardias and the
... The epidemiology of PSVT has not been widely investigated in modern times. Early electrocardiographic reports were useful in arrhythmia detection for patients presenting with sustained palpitations and persistent episodes of supraventricular tachycardias (SVT) but had little role for this purpose in ...
... The epidemiology of PSVT has not been widely investigated in modern times. Early electrocardiographic reports were useful in arrhythmia detection for patients presenting with sustained palpitations and persistent episodes of supraventricular tachycardias (SVT) but had little role for this purpose in ...
Shock Efficacy of Subcutaneous Implantable Cardioverter
... signs of structural heart disease, long-QT syndrome, or Brugada syndrome were found. Seventy-nine days after uneventful implantation of the S-ICD, the patient had to be resuscitated because of an electrical storm due to incessant VF. The S-ICD initially recognized the onset of VF and exhausted thera ...
... signs of structural heart disease, long-QT syndrome, or Brugada syndrome were found. Seventy-nine days after uneventful implantation of the S-ICD, the patient had to be resuscitated because of an electrical storm due to incessant VF. The S-ICD initially recognized the onset of VF and exhausted thera ...
Imaging and visualization of 3-D cardiac electric activity
... have studied electrocardiographic inverse solutions, which attempt to mathematically reconstruct the equivalent source distribution of cardiac bioelectrical activity. Cardiac electrical sources have been modeled by a single dipole [26] and multiple dipoles [26]–[29], multipoles [30], heart-surface i ...
... have studied electrocardiographic inverse solutions, which attempt to mathematically reconstruct the equivalent source distribution of cardiac bioelectrical activity. Cardiac electrical sources have been modeled by a single dipole [26] and multiple dipoles [26]–[29], multipoles [30], heart-surface i ...
Diastolic Heart Failure - American Academy of Family Physicians
... negative pressure gradient between the ventricle and atria. As a result, rapid early diastolic filling is impaired. AGING ...
... negative pressure gradient between the ventricle and atria. As a result, rapid early diastolic filling is impaired. AGING ...
Pathological observations and tissue quantitative assessment of
... of death [19]. Therefore, the relationship between structural abnormalities and sudden death needs further research. Ventricular tachycardia and fibrillation appear to be responsible for sudden deaths in asymptomatic youngsters and athletes with ARVC [2022]. Fatty or fibrofatty infiltration of myoca ...
... of death [19]. Therefore, the relationship between structural abnormalities and sudden death needs further research. Ventricular tachycardia and fibrillation appear to be responsible for sudden deaths in asymptomatic youngsters and athletes with ARVC [2022]. Fatty or fibrofatty infiltration of myoca ...
and Atrial Fibrillation - Chronic Obstructive Pulmonary Disease
... abnormalities while an increased incidence of cardiac arrhythmias has been reported which includes atrial fibrillation (AF), atrial flutter (AFL), multifocal atrial tachycardia (MAT) and non-sustained ventricular tachycardia (NSVT) [3]. It is estimated that there were approximately 33.5 million peop ...
... abnormalities while an increased incidence of cardiac arrhythmias has been reported which includes atrial fibrillation (AF), atrial flutter (AFL), multifocal atrial tachycardia (MAT) and non-sustained ventricular tachycardia (NSVT) [3]. It is estimated that there were approximately 33.5 million peop ...
Assessment of heart murmurs in childhood
... audible at birth, but those caused by shunts (ventricular/ atrial septal defect) can only be detected later, when changes in pulmonary circulation are completed. In face of these considerations, it is advisable that newborns and infants be evaluated by a cardiologist in their first year of life when ...
... audible at birth, but those caused by shunts (ventricular/ atrial septal defect) can only be detected later, when changes in pulmonary circulation are completed. In face of these considerations, it is advisable that newborns and infants be evaluated by a cardiologist in their first year of life when ...
SEX DIFFERENCES IN DIAMETER OF THE CORONARY SINUS
... African populations are scarce and altogether absent for Kenya. Therefore, this study aimed at determining sex differences in the diameter of coronary sinus ostium and its correlation with the weight of the heart. Seventy-four hearts of adult black Kenyans [43 male, 31 females; age range 20 – 70 yea ...
... African populations are scarce and altogether absent for Kenya. Therefore, this study aimed at determining sex differences in the diameter of coronary sinus ostium and its correlation with the weight of the heart. Seventy-four hearts of adult black Kenyans [43 male, 31 females; age range 20 – 70 yea ...
Heart Rate Variability: An Index of the Brain–Heart Interaction
... The studies concerning the brain-heart connection emphasize the modulation of the cardiac activity by the cortex; thus, an extensive research has been directed to identify the pathway by which this neurocardiac control is achieved (Friedman, 2007; Montano et al., 2009; Thayer & Brosschot, 2005; Thay ...
... The studies concerning the brain-heart connection emphasize the modulation of the cardiac activity by the cortex; thus, an extensive research has been directed to identify the pathway by which this neurocardiac control is achieved (Friedman, 2007; Montano et al., 2009; Thayer & Brosschot, 2005; Thay ...
Retrograde Conduction to the Atria
... and V esophageal lead below. Retrograde P waves marked by arrows. Top. Ventricular tachycardia with V-A conduction, Wenckebach phenomenon. The second, third, fifth, sixth, and seventh ectopic beats are followed by retrograde conduction. No V-A conduction after first ectopic beat because of interfere ...
... and V esophageal lead below. Retrograde P waves marked by arrows. Top. Ventricular tachycardia with V-A conduction, Wenckebach phenomenon. The second, third, fifth, sixth, and seventh ectopic beats are followed by retrograde conduction. No V-A conduction after first ectopic beat because of interfere ...
Effect of Stimulation of Hypothalamus and Reticular Activating
... of the hypothalamus, anterior, lateral, and posterolateral regions (left or right side) revealed the following: 1. Stimulation of the anterior hypothalamus (four cats) on the right side or left side produced an average rise in blood pressure from 100/75 to 200/150 mm. Hg, which was sustained for an ...
... of the hypothalamus, anterior, lateral, and posterolateral regions (left or right side) revealed the following: 1. Stimulation of the anterior hypothalamus (four cats) on the right side or left side produced an average rise in blood pressure from 100/75 to 200/150 mm. Hg, which was sustained for an ...
Ventricular Rate Stabilization In Patients With Permanent
... that the stabilization algorithm might also prevent high rate episodes and related symptoms: symptoms score takes it into consideration. On the other hand, the majority of patients preferred the period corresponding to the activation of the algorithm. We can conclude that rate regularization per se ...
... that the stabilization algorithm might also prevent high rate episodes and related symptoms: symptoms score takes it into consideration. On the other hand, the majority of patients preferred the period corresponding to the activation of the algorithm. We can conclude that rate regularization per se ...
Consequences of Arterial Switch Operation in Children
... despite the many challenges the surgeons encountered. In the 50s, methods were developed for palliation procedures without extra-corporal circuits in addition to methods for corrections of heart defects in older children such as ventricular septum defect (VSD). Early pioneering attempts at correctin ...
... despite the many challenges the surgeons encountered. In the 50s, methods were developed for palliation procedures without extra-corporal circuits in addition to methods for corrections of heart defects in older children such as ventricular septum defect (VSD). Early pioneering attempts at correctin ...
arrhythmogenesis in mitral valve prolapse
... imbalance or both are considered to be the underlying mechanisms of arrhythmogenesis11. The risk of sudden cardiac death is 0.1% per year, not much different from the rest of the general population (0.2%), however, the risk may increase to 0.9 to 2% in cases with associated complication especially m ...
... imbalance or both are considered to be the underlying mechanisms of arrhythmogenesis11. The risk of sudden cardiac death is 0.1% per year, not much different from the rest of the general population (0.2%), however, the risk may increase to 0.9 to 2% in cases with associated complication especially m ...
Advances in Arrhythmia and Electrophysiology
... CM is site-specific,20 but also other gradients exist including apical-basal and right-to-left ventricle.21,22 There is a general agreement across the studies that CM is associated with prolongation of repolarization in the early activated areas. However, repolarization changes at the late activated ...
... CM is site-specific,20 but also other gradients exist including apical-basal and right-to-left ventricle.21,22 There is a general agreement across the studies that CM is associated with prolongation of repolarization in the early activated areas. However, repolarization changes at the late activated ...
SUDDEN DEATH IN YOUNG ATHLETES
... in other large studies, the autopsies were usually performed by different examiners, including local pathologists and medical examiners [10]. In the Italian study, to obtain a higher level of confidence in the results, morphological examination of all hearts was performed according to a standard pro ...
... in other large studies, the autopsies were usually performed by different examiners, including local pathologists and medical examiners [10]. In the Italian study, to obtain a higher level of confidence in the results, morphological examination of all hearts was performed according to a standard pro ...
Neural and Neurosecretory Control of the Decapod Crustacean
... muscle membrane were never detected and even when all four axons were stimulated simultaneously at frequencies up to 100/sec only minimal facilitation was observed. ...
... muscle membrane were never detected and even when all four axons were stimulated simultaneously at frequencies up to 100/sec only minimal facilitation was observed. ...
Mechanical Properties of the Myocardium in the Ischemic Heart
... The biomechanical “machine” that keeps the human body going is the heart; this organ is responsible for blood and oxygen supply to the rest of the body. Unhealthy diet and heart diseases can cause damage to the heart. This damage may be irreversible even with all the advances in science and technolo ...
... The biomechanical “machine” that keeps the human body going is the heart; this organ is responsible for blood and oxygen supply to the rest of the body. Unhealthy diet and heart diseases can cause damage to the heart. This damage may be irreversible even with all the advances in science and technolo ...
Program Book Containing Slides (20
... She founded the non-profit American Foundation for Women's Health and StopAfib.org, a patient advocacy organization that informs and supports those living with atrial fibrillation. She speaks out about heart disease, stroke, and patient advocacy at medical conferences, hospital atrial fibrillation a ...
... She founded the non-profit American Foundation for Women's Health and StopAfib.org, a patient advocacy organization that informs and supports those living with atrial fibrillation. She speaks out about heart disease, stroke, and patient advocacy at medical conferences, hospital atrial fibrillation a ...
Intensity of Heart Sounds in the Evaluation of Patients following
... just before sound was recorded. Control subjects were selected from active asymptomatic working men. None had cardiac murmurs. All had normal electrocardiograms and hematocrit readings above 40 percent. In each control subject, the cardiothoracic ratio measured from chest roentgenograms was less tha ...
... just before sound was recorded. Control subjects were selected from active asymptomatic working men. None had cardiac murmurs. All had normal electrocardiograms and hematocrit readings above 40 percent. In each control subject, the cardiothoracic ratio measured from chest roentgenograms was less tha ...
Recommendations for Management of Equine Athletes with
... mild, it is usually associated with normal performance7 and life expectancy.9–12 Some of the underlying lesions responsible for MR can be visualized by 2D echocardiography, including mitral valve dysplasia, degenerative or inflammatory valve thickening (including bacterial endocarditis), prolapse (MV ...
... mild, it is usually associated with normal performance7 and life expectancy.9–12 Some of the underlying lesions responsible for MR can be visualized by 2D echocardiography, including mitral valve dysplasia, degenerative or inflammatory valve thickening (including bacterial endocarditis), prolapse (MV ...
PDF - Romanian Journal of Cardiology
... LV function as assessed by transthoracic echocardiography correlated with a greater risk of sudden cardiac death or life-threatening ventricular arrhythmias.40 This finding was independent of QRS prolongation and appears to be an additional risk predictor for this patient population. In a large mult ...
... LV function as assessed by transthoracic echocardiography correlated with a greater risk of sudden cardiac death or life-threatening ventricular arrhythmias.40 This finding was independent of QRS prolongation and appears to be an additional risk predictor for this patient population. In a large mult ...
Document
... skeleton of heart, the AV node provides only pathway for depolarizations to flow from atria to ventricles. • E. The AV bundle or bundle of His develops from a ringlike cluster of cells found at the AV ...
... skeleton of heart, the AV node provides only pathway for depolarizations to flow from atria to ventricles. • E. The AV bundle or bundle of His develops from a ringlike cluster of cells found at the AV ...