Surgery for Atrial Fibrillation - ANNALS Academy of Medicine
... continue anticoagulation for up to 1 year after surgery. No patient has had an embolic stroke during the follow-up period. In contrast, however, 1 patient succumbed to a haemorrhagic stroke 5 months after mechanical aortic valve replacement. He was in sinus rhythm. Anticoagulation in this patient wa ...
... continue anticoagulation for up to 1 year after surgery. No patient has had an embolic stroke during the follow-up period. In contrast, however, 1 patient succumbed to a haemorrhagic stroke 5 months after mechanical aortic valve replacement. He was in sinus rhythm. Anticoagulation in this patient wa ...
full articles - pdf - People`s Journal Of Scientific Research
... diverticulum of the ventricle are the most commonly encountered heart lesions (Amato et al, 1995; Leca et al, 1989). The severity and the complexity of the intracardiac defect contribute largely to the poor prognosis associated with this malformation(Amato et al, 1995). It has been also observed tha ...
... diverticulum of the ventricle are the most commonly encountered heart lesions (Amato et al, 1995; Leca et al, 1989). The severity and the complexity of the intracardiac defect contribute largely to the poor prognosis associated with this malformation(Amato et al, 1995). It has been also observed tha ...
executive summary. - Heart Rhythm Society
... guidelines for management of patients with ventricular arrhythmias and the prevention of sudden cardiac death— executive summary: a report of the American College of Cardiology/American Heart Association Task Force and the European Society of Cardiology Committee for Practice Guidelines (Writing Com ...
... guidelines for management of patients with ventricular arrhythmias and the prevention of sudden cardiac death— executive summary: a report of the American College of Cardiology/American Heart Association Task Force and the European Society of Cardiology Committee for Practice Guidelines (Writing Com ...
ACC/AHA/ESC 2006 Guidelines for Management
... guidelines for management of patients with ventricular arrhythmias and the prevention of sudden cardiac death— executive summary: a report of the American College of Cardiology/American Heart Association Task Force and the European Society of Cardiology Committee for Practice Guidelines (Writing Com ...
... guidelines for management of patients with ventricular arrhythmias and the prevention of sudden cardiac death— executive summary: a report of the American College of Cardiology/American Heart Association Task Force and the European Society of Cardiology Committee for Practice Guidelines (Writing Com ...
Myocardium 2013
... The histologic pattern of reaction to bacterial or fungal invasion depends on the specific causative organism, if present. Hypersensitivity reactions that involve the myocardium induce interstitial infiltrates that are principally perivascular, composed of lymphocytes, macrophages, and a high propo ...
... The histologic pattern of reaction to bacterial or fungal invasion depends on the specific causative organism, if present. Hypersensitivity reactions that involve the myocardium induce interstitial infiltrates that are principally perivascular, composed of lymphocytes, macrophages, and a high propo ...
A mathematical model of left ventricular contraction and
... It is important to note that, although the causes differ, the clinical features and neurohumoral changes are indistinguishable between HFpEF and HFrEF, suggesting a mechanistic association. The processes involved on heart failure have been investigated for many decades but despite this the underlyin ...
... It is important to note that, although the causes differ, the clinical features and neurohumoral changes are indistinguishable between HFpEF and HFrEF, suggesting a mechanistic association. The processes involved on heart failure have been investigated for many decades but despite this the underlyin ...
NON-INVASIVE DETERMINATION OF THE
... Anaerobic threshold (AT) is a frequently used term that sometimes causes a little confusion. It is defined as the physiological point during exercise at which muscular lactate production exceeds the rate of lactate oxidation, and as a result, lactate shows up in the system and may be balanced or not ...
... Anaerobic threshold (AT) is a frequently used term that sometimes causes a little confusion. It is defined as the physiological point during exercise at which muscular lactate production exceeds the rate of lactate oxidation, and as a result, lactate shows up in the system and may be balanced or not ...
this PDF file
... are major criteria in the definition of arrhythmogenic cardiomyopathy very well characterising conduction delay of the right ventricle. Another clue for ECG definition is QRS fragmentation is all leads including “pre-silons” (QRS fragmentation in the Q wave), “topsilons” (QRS fragmentation in the R ...
... are major criteria in the definition of arrhythmogenic cardiomyopathy very well characterising conduction delay of the right ventricle. Another clue for ECG definition is QRS fragmentation is all leads including “pre-silons” (QRS fragmentation in the Q wave), “topsilons” (QRS fragmentation in the R ...
Measurement of Left Ventricular Diameter In the Dog by Cardiac
... of the heart and motion pictures (64 frames/sec) of the oscilloscope face were made for approximately 15-second periods under each of the various conditions studied in the six dogs. Respiration was suspended after moderate pulmonary inflation during each filming period to lower the diaphragm beneath ...
... of the heart and motion pictures (64 frames/sec) of the oscilloscope face were made for approximately 15-second periods under each of the various conditions studied in the six dogs. Respiration was suspended after moderate pulmonary inflation during each filming period to lower the diaphragm beneath ...
From cardiac electrical activity to the ECG
... The heart consists of four chambers, the left and right ventricle and the left and right atrium. In figure 2.1 a drawing of the anatomy of the heart is shown. The atria are separated from the ventricles by the base, where the the four cardiac valves are situated; the tricuspid valve between the righ ...
... The heart consists of four chambers, the left and right ventricle and the left and right atrium. In figure 2.1 a drawing of the anatomy of the heart is shown. The atria are separated from the ventricles by the base, where the the four cardiac valves are situated; the tricuspid valve between the righ ...
Epub ahead of print - Journal of Clinical and Translational
... recellularization. Far from an inert scaffold, the role of ECM has been increasingly recognized in cell signaling, differentiation and tissue homeostasis (Choi et al. 2017). Additionally, it is through membrane receptors known as integrins and mechanosensitive ion channels in the ECM by which cells ...
... recellularization. Far from an inert scaffold, the role of ECM has been increasingly recognized in cell signaling, differentiation and tissue homeostasis (Choi et al. 2017). Additionally, it is through membrane receptors known as integrins and mechanosensitive ion channels in the ECM by which cells ...
time course of isovolumetric relaxation
... superimposable. Dog right ventricular trabecular muscle; cross-sectional area 0.85 mm2; stimulation rate 12/min; temperature 330 C. Shortening record set to zero before each contraction. ...
... superimposable. Dog right ventricular trabecular muscle; cross-sectional area 0.85 mm2; stimulation rate 12/min; temperature 330 C. Shortening record set to zero before each contraction. ...
Comparative Ultrastructural Morphometry Of The Relationship
... the grey seal in which T-tubules are also wide (450 nm) [14], the heart rate drops from 120 beats/min to 4 beats/min during diving [15]. T-tubules as invaginations of the sarcolemma increase surface area of cell membrane available in myocyte for metabolic exchanges. In animals in which they feature ...
... the grey seal in which T-tubules are also wide (450 nm) [14], the heart rate drops from 120 beats/min to 4 beats/min during diving [15]. T-tubules as invaginations of the sarcolemma increase surface area of cell membrane available in myocyte for metabolic exchanges. In animals in which they feature ...
Left Atrial Fibrosis
... AF, some operators deliver additional lesion sets to further divide atrial tissue, eliminate rotors, or destroy ganglia. Catheter ablation for AF has provided unique opportunities to investigate in situ atrial fibrosis, with the aim of understanding the mechanisms of AF induction and maintenance mor ...
... AF, some operators deliver additional lesion sets to further divide atrial tissue, eliminate rotors, or destroy ganglia. Catheter ablation for AF has provided unique opportunities to investigate in situ atrial fibrosis, with the aim of understanding the mechanisms of AF induction and maintenance mor ...
Interatrial septal thickness as a marker of structural and functional
... pulmonary vein isolation (CPVI). All ablated PVs were revisited after a waiting period of at least 30 minutes. PVs with evidence of reconnection were reisolated. For patients who remained in SR after CPVI, an inducibility test with 10 mA pacing was performed in the high right atrium or coronary sinu ...
... pulmonary vein isolation (CPVI). All ablated PVs were revisited after a waiting period of at least 30 minutes. PVs with evidence of reconnection were reisolated. For patients who remained in SR after CPVI, an inducibility test with 10 mA pacing was performed in the high right atrium or coronary sinu ...
Chapter 37
... • Ectopic focus of atrial tissue fires an impulse before the next sinus impulse is due. • Clinical manifestations • Interventions ...
... • Ectopic focus of atrial tissue fires an impulse before the next sinus impulse is due. • Clinical manifestations • Interventions ...
cardiac structure and function in young athletes
... of 13 endurance-trained and 7 non-athletic male adolescents (x ± SE, age = 15.33 ± 0.33 and 15.15 ± 0.23 years, respectively). The volunteers underwent echocardiography at rest to determine left ventricular end diastole dimension (LVDd) and end systole dimension (LVDs), left ventricular posterior wa ...
... of 13 endurance-trained and 7 non-athletic male adolescents (x ± SE, age = 15.33 ± 0.33 and 15.15 ± 0.23 years, respectively). The volunteers underwent echocardiography at rest to determine left ventricular end diastole dimension (LVDd) and end systole dimension (LVDs), left ventricular posterior wa ...
β2-Adrenoceptors Antiarrhythmic Effects in Wild Type Mice Fed a
... The systematic intake of an unbalanced diet is an important risk factor for cardiovascular diseases, the leading cause of death in the entire world. Most of the studies address this issue using genetically manipulated mice. This study aims to investigate the effect of the intake of a cholesterol-enr ...
... The systematic intake of an unbalanced diet is an important risk factor for cardiovascular diseases, the leading cause of death in the entire world. Most of the studies address this issue using genetically manipulated mice. This study aims to investigate the effect of the intake of a cholesterol-enr ...
Original Article - Circulation: Arrhythmia and Electrophysiology
... atrial standstill in addition to QT prolongation (QTc, 522 ms; Figure 2D), whereas the thyroid function was normally controlled. Her mother (I:2) and son (III:3) showed QT prolongation, while her brother (II:3) had both LQTS and BrS. Genetic screening revealed that the proband and these 3 family mem ...
... atrial standstill in addition to QT prolongation (QTc, 522 ms; Figure 2D), whereas the thyroid function was normally controlled. Her mother (I:2) and son (III:3) showed QT prolongation, while her brother (II:3) had both LQTS and BrS. Genetic screening revealed that the proband and these 3 family mem ...
opinions and hypotheses
... combined biventricular pacemaker and defibrillator because sudden cardiac death accounts for 30 to 50% of the deaths in class IV patients.3,4,19,28 –31 Longer follow-up and other controlled studies will be required to determine the role and safety of biventricular pacing in the treatment of CHF and ...
... combined biventricular pacemaker and defibrillator because sudden cardiac death accounts for 30 to 50% of the deaths in class IV patients.3,4,19,28 –31 Longer follow-up and other controlled studies will be required to determine the role and safety of biventricular pacing in the treatment of CHF and ...
the relationship between electrical and mechanical - Heart
... pressure in the right ventricle 5 mm. Hg above the initial level in order to open the pulmonary valves. (d) The average time interval between the beginning of Q and the beginning of brachial artery systole (Q-BA8) was found to be 0160 sec. in 30 cases. Assuming that the pulse wave velocity does not ...
... pressure in the right ventricle 5 mm. Hg above the initial level in order to open the pulmonary valves. (d) The average time interval between the beginning of Q and the beginning of brachial artery systole (Q-BA8) was found to be 0160 sec. in 30 cases. Assuming that the pulse wave velocity does not ...
AEDs - SISC
... is an abrupt loss of heart function. If it’s not treated within minutes, it quickly leads to death. Most sudden cardiac arrests result from ventricular fibrillation. This is a rapid and unsynchronized heart rhythm starting in the heart’s lower pumping chambers (the ventricles). The heart must be “defi ...
... is an abrupt loss of heart function. If it’s not treated within minutes, it quickly leads to death. Most sudden cardiac arrests result from ventricular fibrillation. This is a rapid and unsynchronized heart rhythm starting in the heart’s lower pumping chambers (the ventricles). The heart must be “defi ...
What Is the Optimal Serum Potassium Level in Cardiovascular
... SCD more than a beta-blocker (53) (Fig. 2). In elderly hypertensives, this combination reduced the risk of SCD by two-thirds (59). Some workers have found no relationship between serum potassium and ventricular ectopy (60 – 62). However, these were small studies, and treatment was for four weeks, co ...
... SCD more than a beta-blocker (53) (Fig. 2). In elderly hypertensives, this combination reduced the risk of SCD by two-thirds (59). Some workers have found no relationship between serum potassium and ventricular ectopy (60 – 62). However, these were small studies, and treatment was for four weeks, co ...
NIH Public Access - IUPUI ScholarWorks
... using a canine model of myocardial infarction. The results show a persistent elevation of NGF levels in aorta and coronary sinus within 1 month after myocardial infarction. NGF and growth associated protein 43 are transported retrogradely to the left stellate ganglion through retrograde axonal trans ...
... using a canine model of myocardial infarction. The results show a persistent elevation of NGF levels in aorta and coronary sinus within 1 month after myocardial infarction. NGF and growth associated protein 43 are transported retrogradely to the left stellate ganglion through retrograde axonal trans ...
Titin isoform switching is a major cardiac adaptive response in
... time, chamber dilation and elevated end-diastolic pressures lead to congestive heart failure if no intervention is sought (23, 35). However, hibernating grizzly bears tolerate extremely low heart rates without ventricular chamber dilation (30). The mechanisms that circumvent chamber dilation are not ...
... time, chamber dilation and elevated end-diastolic pressures lead to congestive heart failure if no intervention is sought (23, 35). However, hibernating grizzly bears tolerate extremely low heart rates without ventricular chamber dilation (30). The mechanisms that circumvent chamber dilation are not ...