Venice Chart International Consensus Document on Ventricular
... root. The fold continues superiorly into the muscle of the subpulmonary infundibulum that adjoins the arterial wall of the pulmonary trunk at the ventriculo-arterial junction (Fig. 1B). The pulmonary sinuses are not as prominent as the aortic sinuses; there is a small segment of infundibular muscula ...
... root. The fold continues superiorly into the muscle of the subpulmonary infundibulum that adjoins the arterial wall of the pulmonary trunk at the ventriculo-arterial junction (Fig. 1B). The pulmonary sinuses are not as prominent as the aortic sinuses; there is a small segment of infundibular muscula ...
PDF - Circulation
... After a minimum ventricular fibrillation of 10 seconds, defibrillation was attempted. The defibrillation threshold was determined as follows. The initial defibrillation setting was at a stored voltage of 300 V, which corresponded to an estimated energy delivery of approximately 3 J. Subsequent shock ...
... After a minimum ventricular fibrillation of 10 seconds, defibrillation was attempted. The defibrillation threshold was determined as follows. The initial defibrillation setting was at a stored voltage of 300 V, which corresponded to an estimated energy delivery of approximately 3 J. Subsequent shock ...
2012 ACCF/AHA/HRS Focused Update
... do not lend themselves to clinical trials. Although randomized trials are unavailable, there may be a very clear clinical consensus that a particular test or therapy is useful or effective. *Data available from clinical trials or registries about the usefulness/efficacy in different subpopulations, ...
... do not lend themselves to clinical trials. Although randomized trials are unavailable, there may be a very clear clinical consensus that a particular test or therapy is useful or effective. *Data available from clinical trials or registries about the usefulness/efficacy in different subpopulations, ...
medics.cc
... wave the PR interval is measured from the start of the P wave to the start of the Q wave, not the start of the R wave) medics.cc medics.cc ...
... wave the PR interval is measured from the start of the P wave to the start of the Q wave, not the start of the R wave) medics.cc medics.cc ...
Techniques for automated local activation time annotation and
... of the wavefront [25–28], particularly around the infarct border zone [29–31]. A convex wavefront will propagate slower than a planar wavefront due to the depolarised region of tissue needing to excite a comparatively larger mass of cells. This phenomenon is known as source–sink mismatch (see, for e ...
... of the wavefront [25–28], particularly around the infarct border zone [29–31]. A convex wavefront will propagate slower than a planar wavefront due to the depolarised region of tissue needing to excite a comparatively larger mass of cells. This phenomenon is known as source–sink mismatch (see, for e ...
The Combinatorial Activities of Nkx2.5 and dHAND Are Essential for
... for 25% of all mortality from congenital heart disease in children and may be the result of defects in expansion of a precursor pool of ventricular cardiomyocytes. Interestingly, the atrial chambers and remaining ventricular chamber in such conditions are relatively normal, suggesting that separable ...
... for 25% of all mortality from congenital heart disease in children and may be the result of defects in expansion of a precursor pool of ventricular cardiomyocytes. Interestingly, the atrial chambers and remaining ventricular chamber in such conditions are relatively normal, suggesting that separable ...
CHAPTER 13 Electrocardiography
... be modeled as being carried by positively charged or negatively charged ions. A positive current moving in one direction is equivalent to a negative current of equal strength moving in the opposite direction. Through a purely arbitrary choice, electrophysiological currents are considered to be the m ...
... be modeled as being carried by positively charged or negatively charged ions. A positive current moving in one direction is equivalent to a negative current of equal strength moving in the opposite direction. Through a purely arbitrary choice, electrophysiological currents are considered to be the m ...
C:\Users\SSP\Documents\My Web Sites\CINC.ORG\html\2011
... Comparative Study on Pulmonary Artery of Complex Congenital Heart Disease by Dual-source CT and Ou Shan-xing*, Zhang Li and Qian Min Application of DSCT in The Assessment of The Pulmonary Arteries in Complex Congenital Heart Disease with Diminished Pulmonary Blood Flow Zhang Li*, Ou Shan-xing and Pe ...
... Comparative Study on Pulmonary Artery of Complex Congenital Heart Disease by Dual-source CT and Ou Shan-xing*, Zhang Li and Qian Min Application of DSCT in The Assessment of The Pulmonary Arteries in Complex Congenital Heart Disease with Diminished Pulmonary Blood Flow Zhang Li*, Ou Shan-xing and Pe ...
QT interval variability in body surface ECG
... differences between the lateral and septal/anterior leads.21 Nonsignificant QTV difference between leads I, AVF, and V2 and moderate correlations were reported in patients undergoing electrophysiological study.22 Larger respiration-related cardiac axis movements were suggested in Z lead RTpeak measu ...
... differences between the lateral and septal/anterior leads.21 Nonsignificant QTV difference between leads I, AVF, and V2 and moderate correlations were reported in patients undergoing electrophysiological study.22 Larger respiration-related cardiac axis movements were suggested in Z lead RTpeak measu ...
Heart rate variability in young adults
... which is monitored by multiple receptors and adjusted by modulating heart rate, cardiac contractility and systemic vascular resistance of circulation. In principle, this short-term regulatory mechanism forms a negative feed-back control loop with a time delay, which results in sinusoidal oscillation ...
... which is monitored by multiple receptors and adjusted by modulating heart rate, cardiac contractility and systemic vascular resistance of circulation. In principle, this short-term regulatory mechanism forms a negative feed-back control loop with a time delay, which results in sinusoidal oscillation ...
Characterization of Atrial Repolarization Alternans and
... model yielded large amounts of data perturbed by unavoidable interferences, and the phenomenon of interest had an elusive nature. This thesis describes the physiological motivation for this study, introduces the signal processing techniques developed to remove interferences and extract the parameter ...
... model yielded large amounts of data perturbed by unavoidable interferences, and the phenomenon of interest had an elusive nature. This thesis describes the physiological motivation for this study, introduces the signal processing techniques developed to remove interferences and extract the parameter ...
The Brugada ECG Pattern - Circulation: Arrhythmia and
... Circ Arrhythm Electrophysiol is available at http://circep.ahajournals.org ...
... Circ Arrhythm Electrophysiol is available at http://circep.ahajournals.org ...
Atrial Fibrillation in the Wolff-Parkinson-White Syndrome
... Since the advent of catheter ablation for atrial fibrillation (AF) aiming the pulmonary veins a few years ago, there has been an overwhelming interest and a dramatic increase in AF investigation. AF has a different dimension in the context of the Wolff-Parkinson-White (WPW) syndrome. Indeed, AF may ...
... Since the advent of catheter ablation for atrial fibrillation (AF) aiming the pulmonary veins a few years ago, there has been an overwhelming interest and a dramatic increase in AF investigation. AF has a different dimension in the context of the Wolff-Parkinson-White (WPW) syndrome. Indeed, AF may ...
On the innervation of the heart, with special reference to the heart of
... I have made on the tortoise heart I have not used a clamp in order to hold the heart firm but have simply held the aorta in a suitable holder, so that in these cases any separation of the different parts of the heart is made by section and not by clamping. The consideration of the large number of ex ...
... I have made on the tortoise heart I have not used a clamp in order to hold the heart firm but have simply held the aorta in a suitable holder, so that in these cases any separation of the different parts of the heart is made by section and not by clamping. The consideration of the large number of ex ...
Frequently Asked Questions About AEDs
... "stacked" in sets of three to increase their effectiveness. 8. Besides using an AED, how else might a lay rescuer help at the scene of a sudden cardiac arrest? Lay rescuers are most often asked to call 911 and get the AED. The lay rescuer can assemble the pocket facemask and begin providing mouth-to ...
... "stacked" in sets of three to increase their effectiveness. 8. Besides using an AED, how else might a lay rescuer help at the scene of a sudden cardiac arrest? Lay rescuers are most often asked to call 911 and get the AED. The lay rescuer can assemble the pocket facemask and begin providing mouth-to ...
Analysis of the Heart Sounds and Murmurs of Fetuses - REAL-PhD
... development of modern imaging techniques the stethoscope is still considered a symbol of the doctor’s profession. At the beginning of the 21th century auscultation has found its main role in primary and in home health care when decisions have to be made about any further, more extensive examinations ...
... development of modern imaging techniques the stethoscope is still considered a symbol of the doctor’s profession. At the beginning of the 21th century auscultation has found its main role in primary and in home health care when decisions have to be made about any further, more extensive examinations ...
ACCF/HRS/AHA/ASE/HFSA/SCAI/SCCT/SCMR 2013 Appropriate
... Jessup M, Kapa S, Kremers MS, Lindsay BD, Stevenson LW. ACCF/HRS/AHA/ ASE/HFSA/SCAI/SCCT/SCMR 2013 appropriate use criteria for implantable cardioverter-defibrillators and cardiac resynchronization therapy: a report of the American College of Cardiology Foundation Appropriate Use Criteria Task Force ...
... Jessup M, Kapa S, Kremers MS, Lindsay BD, Stevenson LW. ACCF/HRS/AHA/ ASE/HFSA/SCAI/SCCT/SCMR 2013 appropriate use criteria for implantable cardioverter-defibrillators and cardiac resynchronization therapy: a report of the American College of Cardiology Foundation Appropriate Use Criteria Task Force ...
General Information About Dilated Cardiomyopathy in Doberman
... by a markedly enlarged and weakened heart muscle. In the Doberman it affects mainly the left ventricle and left atrium. It results in electrical abnormalities (irregular or abnormal or premature beats). These electrical abnormalities may result in sudden death (described below) as the very first clu ...
... by a markedly enlarged and weakened heart muscle. In the Doberman it affects mainly the left ventricle and left atrium. It results in electrical abnormalities (irregular or abnormal or premature beats). These electrical abnormalities may result in sudden death (described below) as the very first clu ...
47 an analysis of control of the ventricle of the mollusc mercenaria
... frequency of beats were maximal at a Ca2+ concentration around 9mmol l21. Concentrations of extracellular Ca2+ greater than 18mmol l21 inhibited beating and caused a slight membrane depolarization. The membrane became increasingly depolarized as the concentration of extracellular Ca2+ was raised fro ...
... frequency of beats were maximal at a Ca2+ concentration around 9mmol l21. Concentrations of extracellular Ca2+ greater than 18mmol l21 inhibited beating and caused a slight membrane depolarization. The membrane became increasingly depolarized as the concentration of extracellular Ca2+ was raised fro ...
Cardiac Endothelial-Myocardial Signaling
... Crucially important for endothelial cell-to-cardiomyocyte interactions at these two sites is their intercellular distance and their cell number ratio. The latter depends on the capillary-to-cardiomyocyte ratio and intercapillary distance, which will vary with species and cardiac sampling site. In le ...
... Crucially important for endothelial cell-to-cardiomyocyte interactions at these two sites is their intercellular distance and their cell number ratio. The latter depends on the capillary-to-cardiomyocyte ratio and intercapillary distance, which will vary with species and cardiac sampling site. In le ...
Mortality Study of the Significance of Extrasystoles in an
... persons followed to death or the anniversary of their policies in 1968. The observed mortality ratios showed no appreciable increase in a group of 604 individuals who were considered to have a normal life expectancy except for the presence of extrasystoles at the time of evaluation for insurance. Si ...
... persons followed to death or the anniversary of their policies in 1968. The observed mortality ratios showed no appreciable increase in a group of 604 individuals who were considered to have a normal life expectancy except for the presence of extrasystoles at the time of evaluation for insurance. Si ...
2001 The European Society of Cardiology
... response when atrioventricular (AV) conduction is intact[1]. The ventricular response to AF depends on electrophysiological properties of the AV node, the level of vagal and sympathetic tone, and the action of drugs[2] (Fig. 1). Regular RR intervals are possible in the presence of AV block or interf ...
... response when atrioventricular (AV) conduction is intact[1]. The ventricular response to AF depends on electrophysiological properties of the AV node, the level of vagal and sympathetic tone, and the action of drugs[2] (Fig. 1). Regular RR intervals are possible in the presence of AV block or interf ...
a biphasic role for the voltage
... To those who came before me, on whose shoulders I stand, and Amanda, on whose shoulders I lean. ...
... To those who came before me, on whose shoulders I stand, and Amanda, on whose shoulders I lean. ...
Xanthine Derivatives in the Heart: Blessed or Cursed?
... various electrophysiological effects on pacemaker fibers and working myocardium. These effects display wide interspecies dependence. Thus, in rabbit sinoatrial nodal cells, caffeine (1 to10 mM) induced a concentration-dependent, atropine-resistant decrease in sinoatrial pacemaker activity. Caffeine ...
... various electrophysiological effects on pacemaker fibers and working myocardium. These effects display wide interspecies dependence. Thus, in rabbit sinoatrial nodal cells, caffeine (1 to10 mM) induced a concentration-dependent, atropine-resistant decrease in sinoatrial pacemaker activity. Caffeine ...
as a PDF - Lettre de l`UFCV N°58
... Organization of committee and evidence review Atrial fibrillation (AF) is the most common sustained rhythm disturbance. Its prevalence is increasing along with the age of the population. AF is often associated with structural heart disease, but a substantial proportion of patients with AF have no de ...
... Organization of committee and evidence review Atrial fibrillation (AF) is the most common sustained rhythm disturbance. Its prevalence is increasing along with the age of the population. AF is often associated with structural heart disease, but a substantial proportion of patients with AF have no de ...