Electrocardiographic Recordings
... 13-blockade than before such blockade. The difference was greatest at heart rates between 90 and 110 beats per minute, when atenolol lengthened the QT interval. This may reflect blockage of the sympathetic shortening effect on QT intervals as heart rate increases, because it has been shown that prol ...
... 13-blockade than before such blockade. The difference was greatest at heart rates between 90 and 110 beats per minute, when atenolol lengthened the QT interval. This may reflect blockage of the sympathetic shortening effect on QT intervals as heart rate increases, because it has been shown that prol ...
Artificial Heart
... As the worlds population grows the need for health care increases .In recent years progress in medical care has been rapid especially in NEUROLOGY & CARDIOLOGY .In this paper we choose the second and the best area that is cardiology to give details about artificial heart. The quest for mechanical ar ...
... As the worlds population grows the need for health care increases .In recent years progress in medical care has been rapid especially in NEUROLOGY & CARDIOLOGY .In this paper we choose the second and the best area that is cardiology to give details about artificial heart. The quest for mechanical ar ...
End Stage Heart Failure - Home Care Information Network
... Patients have no limitation in physical activity Patients have slight limitation of physical activity Patients have marked limitation of physical activity Patients have symptoms even at rest and are unable to carry on any physical activity without discomfort ...
... Patients have no limitation in physical activity Patients have slight limitation of physical activity Patients have marked limitation of physical activity Patients have symptoms even at rest and are unable to carry on any physical activity without discomfort ...
Print - Circulation Research
... Abstract—Ventricular remodeling of both geometry and fiber structure is a prominent feature of several cardiac pathologies. Advances in MRI and analytical methods now make it possible to measure changes of cardiac geometry, fiber, and sheet orientation at high spatial resolution. In this report, we ...
... Abstract—Ventricular remodeling of both geometry and fiber structure is a prominent feature of several cardiac pathologies. Advances in MRI and analytical methods now make it possible to measure changes of cardiac geometry, fiber, and sheet orientation at high spatial resolution. In this report, we ...
Quantitative volumetric analysis of cardiac morphogenesis assessed
... how the lumen volumes of the different segment/chambers change during development. Studies by Keller et al. have attempted to quantify ventricular volumes at different stages of development and showed that these increase in size as the embryo grows, but how these volumes relate to those of the atria ...
... how the lumen volumes of the different segment/chambers change during development. Studies by Keller et al. have attempted to quantify ventricular volumes at different stages of development and showed that these increase in size as the embryo grows, but how these volumes relate to those of the atria ...
Etiology of Sudden Death in Sports
... 92% males, 76% Caucasian, 69% competitive) were referred to our cardiac pathology center. All subjects underwent detailed post-mortem evaluation, including histological analysis by an expert cardiac pathologist. Clinical information was obtained from referring coroners. RESULTS Sudden arrhythmic dea ...
... 92% males, 76% Caucasian, 69% competitive) were referred to our cardiac pathology center. All subjects underwent detailed post-mortem evaluation, including histological analysis by an expert cardiac pathologist. Clinical information was obtained from referring coroners. RESULTS Sudden arrhythmic dea ...
www.hik-consulting.pl
... of 30 to 45 Hz. This heart sound occurs at the termination of atrial contraction and at the onset of ventricular contraction. The initial movement of blood from the ventricles, closure of the atrioventricular valves and the resulting abrupt cessation of blood movement into the atria all contribute t ...
... of 30 to 45 Hz. This heart sound occurs at the termination of atrial contraction and at the onset of ventricular contraction. The initial movement of blood from the ventricles, closure of the atrioventricular valves and the resulting abrupt cessation of blood movement into the atria all contribute t ...
In Vivo Measurements of Atrial Repolarization Alternans
... rapid pacing mimicking pulmonary vein tachycardia did not lower Re-ALT threshold but increased the range of CL during which Re-ALT took place. This may facilitate alternation of atrial repolarization and wavebreaks over a wider range of heart rates as during the remodeling process of patients suffer ...
... rapid pacing mimicking pulmonary vein tachycardia did not lower Re-ALT threshold but increased the range of CL during which Re-ALT took place. This may facilitate alternation of atrial repolarization and wavebreaks over a wider range of heart rates as during the remodeling process of patients suffer ...
Heart failure: an historical perspective
... HF and that increasing it would be positive.22 Research was concentrated on understanding the cause of low contractility in HF. Thus, the role of energy starvation and abnormal calcium movement gained rapid popularity and stimulated efforts to develop inotropic drugs that were more powerful than dig ...
... HF and that increasing it would be positive.22 Research was concentrated on understanding the cause of low contractility in HF. Thus, the role of energy starvation and abnormal calcium movement gained rapid popularity and stimulated efforts to develop inotropic drugs that were more powerful than dig ...
Dynamic Coupling between Ventricular Repolarization Duration and
... been assessed in a previous study, by grouping RRintervals in different histogram classes [15]. Furthermore, the capability of RR-intervals to accelerate or to decelerate allowed isolating sympathetic (AC) and parasympathetic (DC) phase contributions on heart rate variation, respectively. Thus, by ...
... been assessed in a previous study, by grouping RRintervals in different histogram classes [15]. Furthermore, the capability of RR-intervals to accelerate or to decelerate allowed isolating sympathetic (AC) and parasympathetic (DC) phase contributions on heart rate variation, respectively. Thus, by ...
... In this paper, the ECG signal is obtained from MIT-BIH Arrhythmia database [10]. There are three types of the arrhythmias considered here including normal beat (NORMAL), premature ventricular contraction (PVC) and arterial premature contraction (APC). We select 6 files from the arrhythmia database i ...
Name of presentation
... ECG – The Cardiac Cycle QRS complex • ventricular depolarization (systole) • Q wave 1st negative deflection • R wave 1st positive deflection • S wave 2nd negative deflection • HS1 at beginning of QRS • HS2 at end of QRS ...
... ECG – The Cardiac Cycle QRS complex • ventricular depolarization (systole) • Q wave 1st negative deflection • R wave 1st positive deflection • S wave 2nd negative deflection • HS1 at beginning of QRS • HS2 at end of QRS ...
Spatiotemporal evolution of ventricular fibrillation
... and can, just as abruptly, be electrically terminated10. Ventricular fibrillation can exist as a stable state which is self-sustained and independent of its initiating event. The mechanisms underlying the pernicious stability of ventricular fibrillation are unknown, and explanations of how shocks te ...
... and can, just as abruptly, be electrically terminated10. Ventricular fibrillation can exist as a stable state which is self-sustained and independent of its initiating event. The mechanisms underlying the pernicious stability of ventricular fibrillation are unknown, and explanations of how shocks te ...
Adolescents with congenital heart diseases
... This surgery, similarly to other procedures mentioned above, calls for special skills on the part of the cardiologist. Performing the procedure, electrophysiologists must take potential obstacles into consideration: a) persistent left superior vena cava and often concomitant extreme dilation of coro ...
... This surgery, similarly to other procedures mentioned above, calls for special skills on the part of the cardiologist. Performing the procedure, electrophysiologists must take potential obstacles into consideration: a) persistent left superior vena cava and often concomitant extreme dilation of coro ...
Cardiac sympathetic activity in chronic heart failure: cardiac 123I
... better identify those patients who will benefit from CRT or ICD implantation. One of those alternative parameters might be cardiac sympathetic hyperactivity, which is related to poor prognosis and fatal arrhythmias in CHF. Cardiac sympathetic activity can be non-invasively assessed with cardiac 123I ...
... better identify those patients who will benefit from CRT or ICD implantation. One of those alternative parameters might be cardiac sympathetic hyperactivity, which is related to poor prognosis and fatal arrhythmias in CHF. Cardiac sympathetic activity can be non-invasively assessed with cardiac 123I ...
Effects of captopril on ventricular arrhythmias in the early and late
... of electrolyte balance. Blockade of the toxic effects of angiotensin II on the myocardial cells may also be important. In our study, antiarrhythmic drugs were more frequently used in the placebo group (30%) than in the captopril group (16%). The question arises as to whether this may have influenced ...
... of electrolyte balance. Blockade of the toxic effects of angiotensin II on the myocardial cells may also be important. In our study, antiarrhythmic drugs were more frequently used in the placebo group (30%) than in the captopril group (16%). The question arises as to whether this may have influenced ...
modification of ventricular gallop rhythm induced by - Heart
... ventricular (protodiastolic, rapid ventricular filling) gallop (Wolferth and Margolies, 1933). All were patients with serious cardiovascular disease and most had evidence of congestive heart failure. From an acoustic and probably mechanical standpoint, the sound recorded is essentially the same as t ...
... ventricular (protodiastolic, rapid ventricular filling) gallop (Wolferth and Margolies, 1933). All were patients with serious cardiovascular disease and most had evidence of congestive heart failure. From an acoustic and probably mechanical standpoint, the sound recorded is essentially the same as t ...
Крок 2 Medicine
... Hg. Speeln is 4 cm below the rib arch edge. What is the most probable diagnosis? A Erythremia B Essential hypertension C Dermatomyositis D Allergic dermatitis E Systemic sclerodermia 11. A 57-year-old man complains of shortness of breath, swelling on shanks, irregularity in cardiac work, pain in the ...
... Hg. Speeln is 4 cm below the rib arch edge. What is the most probable diagnosis? A Erythremia B Essential hypertension C Dermatomyositis D Allergic dermatitis E Systemic sclerodermia 11. A 57-year-old man complains of shortness of breath, swelling on shanks, irregularity in cardiac work, pain in the ...
Print this article - University of Edinburgh Open Journals
... there may be no change over many years without clinical deterioration. The sound in fact may often be heard in patients with left ventricular hypertrophy from symptomless hypertension. Sometimes too much prognostic significance has been attached to this finding. Tachycardia shortens diastole and if ...
... there may be no change over many years without clinical deterioration. The sound in fact may often be heard in patients with left ventricular hypertrophy from symptomless hypertension. Sometimes too much prognostic significance has been attached to this finding. Tachycardia shortens diastole and if ...
Holter Monitoring (Ambulatory Electrocardiography) Defined
... performed in a regional primary care clinic of Hong Kong during the year 2010 to 2014. Clinical information and Holter outcomes were retrieved and analyzed to examine Holter monitoring defined significant cardiac arrhythmia and assess the predictive patient characteristics associated with significan ...
... performed in a regional primary care clinic of Hong Kong during the year 2010 to 2014. Clinical information and Holter outcomes were retrieved and analyzed to examine Holter monitoring defined significant cardiac arrhythmia and assess the predictive patient characteristics associated with significan ...
Modelling and robust estimation of AV node function during AF
... beats/minute), and leading to irregular conduction of ventricles impulses, usually with a ventricular rate at 140-220 beats/minute. AF is often associated with palpitations, fainting, chest pain, stroke, or congestive heart failure, other hand it may cause no symptoms. The most important risk is ass ...
... beats/minute), and leading to irregular conduction of ventricles impulses, usually with a ventricular rate at 140-220 beats/minute. AF is often associated with palpitations, fainting, chest pain, stroke, or congestive heart failure, other hand it may cause no symptoms. The most important risk is ass ...
The Apical First Heart Sound as an Aid in the Diagnosis
... Splitting of the first hleart sounid was first lescribed by Potai.n'111 in the nineteenth century. He advaneed nio pLysiologic explanation for this finding, althouitgh he believed that the first heart sounlld was produced by closure of the atrioventrieular valves. In 1925, Katz" demnonistrated exper ...
... Splitting of the first hleart sounid was first lescribed by Potai.n'111 in the nineteenth century. He advaneed nio pLysiologic explanation for this finding, althouitgh he believed that the first heart sounlld was produced by closure of the atrioventrieular valves. In 1925, Katz" demnonistrated exper ...
Cardiac Auscultation 101 - NC State Veterinary Medicine
... increases with excitement, pain, shock, hyperdynamic states (anemia, fever, hyperthyroidism) and congestive heart failure of various etiologies. Slow heart rates may be noted in athletic animals, hypothyroidism, hypothermia, increases in vagal tone or a conduction abnormality of the heart (sick sinu ...
... increases with excitement, pain, shock, hyperdynamic states (anemia, fever, hyperthyroidism) and congestive heart failure of various etiologies. Slow heart rates may be noted in athletic animals, hypothyroidism, hypothermia, increases in vagal tone or a conduction abnormality of the heart (sick sinu ...
Heart Attack - Meridian Kinesiology
... Persons afflicted with Dilated Cardiomyopathy are at greater risk of Heart Attack (Dilated Cardiomyopathy is now believed to be the underlying cause of many sudden Heart Attacks in long-distance runners and body-builders, despite the otherwise “healthy” cardiovascular profiles of these athletes). Me ...
... Persons afflicted with Dilated Cardiomyopathy are at greater risk of Heart Attack (Dilated Cardiomyopathy is now believed to be the underlying cause of many sudden Heart Attacks in long-distance runners and body-builders, despite the otherwise “healthy” cardiovascular profiles of these athletes). Me ...