ACC/AHA/HRS 2008 Guidelines for Device-Based Therapy of Cardiac Rhythm Abnormalities
... recommendations will only be effective if they are followed. Because lack of patient understanding and adherence may adversely affect treatment outcomes, physicians and other health care providers should make every effort to engage the patient in active participation with prescribed medical regimens ...
... recommendations will only be effective if they are followed. Because lack of patient understanding and adherence may adversely affect treatment outcomes, physicians and other health care providers should make every effort to engage the patient in active participation with prescribed medical regimens ...
Origination and Development of Isoproterenol Induced Myocardial
... nonesterified–free fatty acids67; and, (ix) depletion of intracellular magnesium required for many ATP-dependent enzymatic processes68. This section is devoted to discussion of different mechanisms, which have been suggested to explain the cardiotoxic effects of isoproterenol. Hypoxia and Hemodynami ...
... nonesterified–free fatty acids67; and, (ix) depletion of intracellular magnesium required for many ATP-dependent enzymatic processes68. This section is devoted to discussion of different mechanisms, which have been suggested to explain the cardiotoxic effects of isoproterenol. Hypoxia and Hemodynami ...
Wien, 28 - Repository of the LBI-HTA
... Wir untersuchten, ob sondenlose Herzschrittmacher im Vergleich zu konventionellen Herzschrittmachern in PatientInnen mit Indikationen für VVI HSM ebenso wirksam und sicher hinsichtlich der E ...
... Wir untersuchten, ob sondenlose Herzschrittmacher im Vergleich zu konventionellen Herzschrittmachern in PatientInnen mit Indikationen für VVI HSM ebenso wirksam und sicher hinsichtlich der E ...
Arrhythmia/Electrophysiology
... of ventricular capture or pacing inhibition caused by oversensing for pacemaker-dependent patients were taken into account. Death was a prespecified end point and was adjudicated by the mortality committee by review of the documents and classification of death by the enrolling centers. A modified Hi ...
... of ventricular capture or pacing inhibition caused by oversensing for pacemaker-dependent patients were taken into account. Death was a prespecified end point and was adjudicated by the mortality committee by review of the documents and classification of death by the enrolling centers. A modified Hi ...
Effect of physical exercise on autonomic regulation of heart rate
... University of Oulu. I wish to express my sincere gratitude to Professor Antero Kesäniemi, MD, PhD, Head of the Department of Internal Medicine, for his support and interest for this thesis. I owe my deepest gratitude to Doctor Matti Anttonen, Head of the Merikoski Rehabilitation and Research Centre, ...
... University of Oulu. I wish to express my sincere gratitude to Professor Antero Kesäniemi, MD, PhD, Head of the Department of Internal Medicine, for his support and interest for this thesis. I owe my deepest gratitude to Doctor Matti Anttonen, Head of the Merikoski Rehabilitation and Research Centre, ...
The electrophysiology of the atrioventricular node in normal and
... consequence of conduction delay between the inputs of the AV node and the compact nodal region. Neuro-hormonal derangement in chronic heart failure has a central role in the pathogenesis of the disease, with evidence of downregulation of beta (?)adrenoceptors in the left ventricular myocardium. I th ...
... consequence of conduction delay between the inputs of the AV node and the compact nodal region. Neuro-hormonal derangement in chronic heart failure has a central role in the pathogenesis of the disease, with evidence of downregulation of beta (?)adrenoceptors in the left ventricular myocardium. I th ...
Analysis of intrinsic cardiac neuron activity in relation to
... activity during different interventions such as vascular (aorta occlusion, inferior vena cava occlusion, left anterior descending coronary artery occlusion), mechanical (touching atrium and ventricle) and electrical (stimulating of vagus nerve or stellate ganglion) stimuli as well as atrial fibrilla ...
... activity during different interventions such as vascular (aorta occlusion, inferior vena cava occlusion, left anterior descending coronary artery occlusion), mechanical (touching atrium and ventricle) and electrical (stimulating of vagus nerve or stellate ganglion) stimuli as well as atrial fibrilla ...
Factors affecting tolerance to digitalis
... induces ventricular tachycardia or fibrillation in patients receiving digitalis. On the contrary, an intact sympathetic activity appears to protect the myocardium from digitalisinduced vulnerability (37). Beta-adrenergic blocking agents have been reported to augment the slowing of AV conduction prod ...
... induces ventricular tachycardia or fibrillation in patients receiving digitalis. On the contrary, an intact sympathetic activity appears to protect the myocardium from digitalisinduced vulnerability (37). Beta-adrenergic blocking agents have been reported to augment the slowing of AV conduction prod ...
Effects and mechanisms of curcumin on the
... rats were fed a standard diet and were housed in their cages with a 12-h light/dark cycle at a temperature of 20–25 °C. A total of 63 male rats weighing 300–400 g were used. The animals (n = 63) were divided into 9 groups. Rat hearts in group 1 (n = 7) were treated with only curcumin at a dose of 0. ...
... rats were fed a standard diet and were housed in their cages with a 12-h light/dark cycle at a temperature of 20–25 °C. A total of 63 male rats weighing 300–400 g were used. The animals (n = 63) were divided into 9 groups. Rat hearts in group 1 (n = 7) were treated with only curcumin at a dose of 0. ...
ESC Guidelines for cardiac pacing and cardiac resynchronization
... period must be notified to the ESC. The Task Force report was entirely supported financially by the ESC and was developed without any involvement of the industry. The ESC Committee for Practice Guidelines (CPG) supervises and coordinates the preparation of new Guidelines and Expert Consensus Documen ...
... period must be notified to the ESC. The Task Force report was entirely supported financially by the ESC and was developed without any involvement of the industry. The ESC Committee for Practice Guidelines (CPG) supervises and coordinates the preparation of new Guidelines and Expert Consensus Documen ...
efficient modeling of cardiac tissue and resulting
... The heart is an essential heterogeneous organ that depends on strong coupling between electrical, chemical, and mechanical dynamics to properly function as a pump that supplies blood to the rest of the body. Cardiac arrhythmias are common disorders characterized by irregular beating of the heart tha ...
... The heart is an essential heterogeneous organ that depends on strong coupling between electrical, chemical, and mechanical dynamics to properly function as a pump that supplies blood to the rest of the body. Cardiac arrhythmias are common disorders characterized by irregular beating of the heart tha ...
ESC Guidelines for the Diagnosis and Treatment of Chronic Heart
... countries. Many patients with heart failure have symptoms and PLVEF.11 There are also patients with myocardial systolic dysfunction without symptoms of heart failure and who constitute approximately a similar prevalence.5,12 The prognosis of heart failure is uniformly poor if the underlying problem ...
... countries. Many patients with heart failure have symptoms and PLVEF.11 There are also patients with myocardial systolic dysfunction without symptoms of heart failure and who constitute approximately a similar prevalence.5,12 The prognosis of heart failure is uniformly poor if the underlying problem ...
The Heartbreak of Not Making Automated External Defibrillators
... believe that the AED should be able to increase its electrical jolt if the charge is unsuccessful with the initial application.50 It must be noted, however, that the AED is not designed for a person who has flat-lined. 51 That victim can only be resuscitated by CPR and cardiac drugs.52 Studies have ...
... believe that the AED should be able to increase its electrical jolt if the charge is unsuccessful with the initial application.50 It must be noted, however, that the AED is not designed for a person who has flat-lined. 51 That victim can only be resuscitated by CPR and cardiac drugs.52 Studies have ...
Defibrillators - Samuel D Hodge Jr
... AED is not designed for a person who has flat-lined. 51 That victim can only be resuscitated by CPR and cardiac drugs.52 Studies have shown that access to AEDs improves the odds of surviving a cardiac arrhythmia outside of the hospital.53 One set of researchers ascertained that almost 70% of those w ...
... AED is not designed for a person who has flat-lined. 51 That victim can only be resuscitated by CPR and cardiac drugs.52 Studies have shown that access to AEDs improves the odds of surviving a cardiac arrhythmia outside of the hospital.53 One set of researchers ascertained that almost 70% of those w ...
Mechanisms of Long-Duration Ventricular€Fibrillation in Human
... the right ventricular apex. With VF induction, perfusion was halted and pseudosurface electrocardiography was monitored to confirm irregular activity and heart rate >220 beats/min (6). Details of the human Langendorff methodology and VF mapping arrays are included in the Online Appendix. During VF ma ...
... the right ventricular apex. With VF induction, perfusion was halted and pseudosurface electrocardiography was monitored to confirm irregular activity and heart rate >220 beats/min (6). Details of the human Langendorff methodology and VF mapping arrays are included in the Online Appendix. During VF ma ...
effect of yoga type breathing on heart rate and cardiac axis of normal
... minute. The cardioacceleration during inspiration and deceleration during expiration is associated with a change in the efferent vagal discharge (vagal tone) to sinoatrial node {5.6}. Hence HR variation during breathing depends on intact vagus (6,7) and is lost in vagal neuropathy {ll, 13}. Fluctuat ...
... minute. The cardioacceleration during inspiration and deceleration during expiration is associated with a change in the efferent vagal discharge (vagal tone) to sinoatrial node {5.6}. Hence HR variation during breathing depends on intact vagus (6,7) and is lost in vagal neuropathy {ll, 13}. Fluctuat ...
a sample of the book
... ulation than others do, such as high -cardiologists. This list includes 2,254 blood pressure and Marfan syndrome, top cardiologists who were selected the number of trusted references identhrough a peer nomination process; tified for each topic varies. 330 of them were also named to a Although heart ...
... ulation than others do, such as high -cardiologists. This list includes 2,254 blood pressure and Marfan syndrome, top cardiologists who were selected the number of trusted references identhrough a peer nomination process; tified for each topic varies. 330 of them were also named to a Although heart ...
Cardiac Rhythm Management Devices (Part II)
... can be corrected by reprogramming.3 Oversensing. Any electrical signal of sufficient amplitude and frequency occurring during the pacemaker alert period can be sensed and can reset the timing. For example, ventricular depolarization sensed by an atrial demand pacemaker may cause inappropriate inhibi ...
... can be corrected by reprogramming.3 Oversensing. Any electrical signal of sufficient amplitude and frequency occurring during the pacemaker alert period can be sensed and can reset the timing. For example, ventricular depolarization sensed by an atrial demand pacemaker may cause inappropriate inhibi ...
Syncope - Royal College of Emergency Medicine
... disease (normal examination and ECG) then a cardiac cause of syncope is ruled out 97% of the time. This group should be further evaluated in the ED on a monitored bed. IP referral is suggested by P<50 at any time, PR bleed, Hb<10 gm/d, chest pain, ECG showing new Q wave in any lead but III, SpO2 < 9 ...
... disease (normal examination and ECG) then a cardiac cause of syncope is ruled out 97% of the time. This group should be further evaluated in the ED on a monitored bed. IP referral is suggested by P<50 at any time, PR bleed, Hb<10 gm/d, chest pain, ECG showing new Q wave in any lead but III, SpO2 < 9 ...
images/Long term effects of RV pacing.pps
... • Relationship between risk of AF and Cum%VP was similar between pacing modes: – Risk of AF showed a linearly increasing relationship with increased Cum%VP from 0% pacing up to 8085% pacing in both pacing modes. – Within this range, the risk of AF increased by 1% for each 1% increase in Cum%VP (DDDR ...
... • Relationship between risk of AF and Cum%VP was similar between pacing modes: – Risk of AF showed a linearly increasing relationship with increased Cum%VP from 0% pacing up to 8085% pacing in both pacing modes. – Within this range, the risk of AF increased by 1% for each 1% increase in Cum%VP (DDDR ...
PDF Article
... ceptor-related mechanisms responsible for suppressing arginine vasopressin secretion in congestive heart failure, both in the basally increased state and after additional osmotic stimulation . Head-down tilt as a stimulus . Head-down tilt is a nonspecific baroreceptor loading maneuver . We have docu ...
... ceptor-related mechanisms responsible for suppressing arginine vasopressin secretion in congestive heart failure, both in the basally increased state and after additional osmotic stimulation . Head-down tilt as a stimulus . Head-down tilt is a nonspecific baroreceptor loading maneuver . We have docu ...
Linking Cx43 and fibrosis
... As mentioned above chronic α- or βadrenergic stimulation during cardiac hypertrophy enhances Cx43 expression and intercellular electrical coupling. However, in dilated cardiomyopathy and heart failure ...
... As mentioned above chronic α- or βadrenergic stimulation during cardiac hypertrophy enhances Cx43 expression and intercellular electrical coupling. However, in dilated cardiomyopathy and heart failure ...
Point mutations in murine Nkx2-5 phenocopy human
... are as disruptive for normal heart development as the total lack of NKX2-5 protein and explain why only heterozygous mutations in the NKX2-5 gene are seen in patients (30). Nkx2-5 heterozygous mutants develop adult-onset cardiac dysfunction. Although heterozygous mice carrying Nkx2-5 M or P mutation ...
... are as disruptive for normal heart development as the total lack of NKX2-5 protein and explain why only heterozygous mutations in the NKX2-5 gene are seen in patients (30). Nkx2-5 heterozygous mutants develop adult-onset cardiac dysfunction. Although heterozygous mice carrying Nkx2-5 M or P mutation ...
2012 Guidelines of the Taiwan Society of Cardiology (TSOC) for the
... patients with normal left ventricular size and preserved left ventricular ejection fraction (LVEF) to those with severe left ventricular dilatation and markedly reduced LVEF. More than half the patients with heart failure syndrome do not have left ventricular dysfunction.14 The term heart failure wi ...
... patients with normal left ventricular size and preserved left ventricular ejection fraction (LVEF) to those with severe left ventricular dilatation and markedly reduced LVEF. More than half the patients with heart failure syndrome do not have left ventricular dysfunction.14 The term heart failure wi ...