Antiarrhythmic Drugs
... An arrhythmia may occur as a result of heart disease or from a disorder that affects cardiovascular function. Conditions such as emotional stress, hypoxia, and electrolyte imbalance also may trigger an arrhythmia. An electrocardiogram (ECG) provides a record of the electrical activity of the heart. ...
... An arrhythmia may occur as a result of heart disease or from a disorder that affects cardiovascular function. Conditions such as emotional stress, hypoxia, and electrolyte imbalance also may trigger an arrhythmia. An electrocardiogram (ECG) provides a record of the electrical activity of the heart. ...
ethical and medical considerations in heart transplantation in children
... treatment be compared to the impact on the quality of life of these children? What is the role of pediatric bioethics commissions in making decisions regarding children with CMD, and which team would be capable enough to identify and solve the ethical considerations that appear around this disease, ...
... treatment be compared to the impact on the quality of life of these children? What is the role of pediatric bioethics commissions in making decisions regarding children with CMD, and which team would be capable enough to identify and solve the ethical considerations that appear around this disease, ...
lead I
... graphic recording of electric potentials generated by the heart. The signals are detected by means of metal electrodes attached to the extremities and chest wall and are then amplified and recorded by the electrocardiograph. • ECG leads actually display the instantaneous differences in potential bet ...
... graphic recording of electric potentials generated by the heart. The signals are detected by means of metal electrodes attached to the extremities and chest wall and are then amplified and recorded by the electrocardiograph. • ECG leads actually display the instantaneous differences in potential bet ...
to the S-ICD Brochure
... Is a shock from the S-ICD System painful? With both transvenous and subcutaneous ICDs, people have reported a wide range of experiences as a result of receiving a shock, from a mild thump to a kick in the chest. While the shock may be painful, it is over in an instant. This means your S-ICD System i ...
... Is a shock from the S-ICD System painful? With both transvenous and subcutaneous ICDs, people have reported a wide range of experiences as a result of receiving a shock, from a mild thump to a kick in the chest. While the shock may be painful, it is over in an instant. This means your S-ICD System i ...
Tasers -Circulation-2012-Zipes-2417-22
... replicate the clinical scenario of a frightened/fleeing/fighting individual. Several epidemiological studies have not shown a link between ECD shocks and sudden cardiac death.22,23 However, a recent review24 determined that single shocks in healthy people “…could have deleterious effects when used i ...
... replicate the clinical scenario of a frightened/fleeing/fighting individual. Several epidemiological studies have not shown a link between ECD shocks and sudden cardiac death.22,23 However, a recent review24 determined that single shocks in healthy people “…could have deleterious effects when used i ...
Ventricular Dimensions - Journal of Clinical Investigation
... were similar before and after sympathetic blockade. In three patients (No. 7, 8, and 10), 2 mg atropine was given intravenously to inhibit the vagal response during 1 l-Isopropylamino-3- (l-naphthyloxy) -2-propanol hydrochloride. ...
... were similar before and after sympathetic blockade. In three patients (No. 7, 8, and 10), 2 mg atropine was given intravenously to inhibit the vagal response during 1 l-Isopropylamino-3- (l-naphthyloxy) -2-propanol hydrochloride. ...
... during obstructive apnoeas may also be a cause of ventricular arrhythmias [26]. Myocardial ischaemia causes arrhythmias, but was demonstrated only in OSA patients with coronary heart disease [4]. Our patients showed concentric left ventricular hypertrophy and increased left atrial diameter (table 3) ...
Overview of implantable cardioverter defibrillator
... lead and a left ventricular pacing lead placed via the coronary sinus (Fig. 2). Depending on whether the patient has permanent atrial fibrillation, an atrial pacing lead may be used. When an ICD detects ventricular tachyarrhythmias based on physicianprogrammed algorithms, it initiates therapy by way ...
... lead and a left ventricular pacing lead placed via the coronary sinus (Fig. 2). Depending on whether the patient has permanent atrial fibrillation, an atrial pacing lead may be used. When an ICD detects ventricular tachyarrhythmias based on physicianprogrammed algorithms, it initiates therapy by way ...
Anomalies of cardiac venous drainage associated with
... cava is usually associated with other structural cardiac anomalies, such as atrial septal defect, tetralogy of Fallot, transposition of the great vessels[9,10]. Anderson et al. found that the presence of a LSVC, although not affecting the presence of cell types within the AV node, did lead to a signi ...
... cava is usually associated with other structural cardiac anomalies, such as atrial septal defect, tetralogy of Fallot, transposition of the great vessels[9,10]. Anderson et al. found that the presence of a LSVC, although not affecting the presence of cell types within the AV node, did lead to a signi ...
following acute myocardial infarction Prediction of sudden
... likely to have died from an acute arrhythmic event, most often ventricular tachycardia (VT) or ventricular fibrillation (VF). An important but largely unresolved question is what are the precipitating/predisposing factors that cause an AMI survivor, who may remain stable for months or even years foll ...
... likely to have died from an acute arrhythmic event, most often ventricular tachycardia (VT) or ventricular fibrillation (VF). An important but largely unresolved question is what are the precipitating/predisposing factors that cause an AMI survivor, who may remain stable for months or even years foll ...
Pediatric pacemakers and ICDs: how to optimize perioperative care
... procedure or total cavo-pulmonary connection (Fontan) for a single ventricle (12). The clinical significance of sinus bradycardia is age dependent, frequently asymptomatic, and rarely requires pacing. Current recommendations are displayed in Table 2. Bradycardia–tachycardia syndrome, an arrhythmia wh ...
... procedure or total cavo-pulmonary connection (Fontan) for a single ventricle (12). The clinical significance of sinus bradycardia is age dependent, frequently asymptomatic, and rarely requires pacing. Current recommendations are displayed in Table 2. Bradycardia–tachycardia syndrome, an arrhythmia wh ...
Biventricular ICD implant using endocardial LV lead
... Using aseptic technique, the old pacemaker pocket was opened and the existing RV pacing lead was capped off and buried deeply in to the pocket. Three separate left subclavian vein punctures were performed and the guidewires secured in place. First, a new RV bipolar active fixation dual coil shock lea ...
... Using aseptic technique, the old pacemaker pocket was opened and the existing RV pacing lead was capped off and buried deeply in to the pocket. Three separate left subclavian vein punctures were performed and the guidewires secured in place. First, a new RV bipolar active fixation dual coil shock lea ...
UNIVERSITY OF MALTA
... Using the whole-cell patch-clamp technique under voltage-clamp, IAB (evoked by voltage steps or ramps) was found to be time-independent, outwardly rectifying and highly permeable to NO3-, with a relative permeability sequence of NO3->I->Cl-. Further studies showed that IAB was insensitive to PKA and ...
... Using the whole-cell patch-clamp technique under voltage-clamp, IAB (evoked by voltage steps or ramps) was found to be time-independent, outwardly rectifying and highly permeable to NO3-, with a relative permeability sequence of NO3->I->Cl-. Further studies showed that IAB was insensitive to PKA and ...
Module I E.C.G. RHYTHM INTERPRETATION
... (right and left) is significantly slower that the movement through the ventricles. The larger mass of the ventricle requires the rapid flow of the electrical impulses resulting in the complete depolarization and contraction of the entire ventricle at almost the same time. This action results in the ...
... (right and left) is significantly slower that the movement through the ventricles. The larger mass of the ventricle requires the rapid flow of the electrical impulses resulting in the complete depolarization and contraction of the entire ventricle at almost the same time. This action results in the ...
Heart Rate Recovery Immediately After Treadmill
... recovery, a series of Kaplan-Meier curves was constructed describing mortality rates above and below all heart rate recovery values between the 10th and 90th percentiles of the entire cohort.19 A cutoff value of ⱕ18 beats per minute was considered abnormal, because this value yielded the highest log ...
... recovery, a series of Kaplan-Meier curves was constructed describing mortality rates above and below all heart rate recovery values between the 10th and 90th percentiles of the entire cohort.19 A cutoff value of ⱕ18 beats per minute was considered abnormal, because this value yielded the highest log ...
Confocal Imaging of Early Heart Development in Xenopus laevis
... 1995; Grow and Krieg, 1998), PitX2 (Ryan et al., 1998), VEGF (Cleaver et al., 1997), Tbx5 (Horb and Thomsen, 1999), and Vg1 (Hyatt and Yost, 1998). The analysis of cardiac-specific promoters, like cardiac actin (Taylor et al., 1989), and expression studies using dominant negative proteins (Fu et al. ...
... 1995; Grow and Krieg, 1998), PitX2 (Ryan et al., 1998), VEGF (Cleaver et al., 1997), Tbx5 (Horb and Thomsen, 1999), and Vg1 (Hyatt and Yost, 1998). The analysis of cardiac-specific promoters, like cardiac actin (Taylor et al., 1989), and expression studies using dominant negative proteins (Fu et al. ...
Atrioventricular Conduction in Atrial Fibrillation: Pathophysiology
... life between the patients who achieved resting heart rate <80/minute, compared to those with higher resting heart rate (Groenveld et al., 2009). A comparison of the rate control arms of the AFFIRM and RACE studies (mean heart rate 76.1 vs. 83.4/minute) showed no significant difference in the primary ...
... life between the patients who achieved resting heart rate <80/minute, compared to those with higher resting heart rate (Groenveld et al., 2009). A comparison of the rate control arms of the AFFIRM and RACE studies (mean heart rate 76.1 vs. 83.4/minute) showed no significant difference in the primary ...
cardiac output in man by a direct fick method
... There is a mass of physiological evidence that right auricular pressure, determining tension and length of myocardial fibres, is the major factor altering the output of the heart provided the rate remains constant. The first part of this work shows such effects in man, although rate and other factor ...
... There is a mass of physiological evidence that right auricular pressure, determining tension and length of myocardial fibres, is the major factor altering the output of the heart provided the rate remains constant. The first part of this work shows such effects in man, although rate and other factor ...
Print EKG Factors that affect the Heart Lab
... An electrocardiogram, also called an EKG or ECG, is a simple test that detects and records the electrical activity of the heart. It helps to detect and locate the source of heart problems. Electrical signals in the heart trigger heartbeats. These signals start at the top of the heart in an area call ...
... An electrocardiogram, also called an EKG or ECG, is a simple test that detects and records the electrical activity of the heart. It helps to detect and locate the source of heart problems. Electrical signals in the heart trigger heartbeats. These signals start at the top of the heart in an area call ...
Cardiac Resynchronisation Therapy: The Optimal QRS Duration
... pacing by atrial-synchronised pacing of the right ventricle and left ventricle via the coronary sinus to the basal or midventricular left ventricle region accomplishes reverse remodelling of the left ventricle, and this mode of therapy is now recommended by both European and US guidelines. Still, ho ...
... pacing by atrial-synchronised pacing of the right ventricle and left ventricle via the coronary sinus to the basal or midventricular left ventricle region accomplishes reverse remodelling of the left ventricle, and this mode of therapy is now recommended by both European and US guidelines. Still, ho ...
Hyperhomocysteinemia alters sinoatrial and atrioventricular nodal
... intercellular communication via formation of gap junction channels (GJCs). Changes in NMDA-R subunit composition and receptor density can alter cell-to-cell signal propagation in the myocardium and the specialized conduction system (SCS) of the heart. Communication between cells at the sinoatrial no ...
... intercellular communication via formation of gap junction channels (GJCs). Changes in NMDA-R subunit composition and receptor density can alter cell-to-cell signal propagation in the myocardium and the specialized conduction system (SCS) of the heart. Communication between cells at the sinoatrial no ...
60% 1.00% 1.80% - Providence Health
... Access to Advanced Clinical Research Providence Heart & Vascular Institute has a long tradition of supporting clinical trials. While vital to the advancement of medicine, clinical trials also allow patients to receive progressive treatments not widely available to the general public. Clinical trial ...
... Access to Advanced Clinical Research Providence Heart & Vascular Institute has a long tradition of supporting clinical trials. While vital to the advancement of medicine, clinical trials also allow patients to receive progressive treatments not widely available to the general public. Clinical trial ...
E lectrocardiographic criteria for vagotonia—validation with
... J.K. Lazzoli et al. / International Journal of Cardiology 87 (2003) 231–236 ...
... J.K. Lazzoli et al. / International Journal of Cardiology 87 (2003) 231–236 ...
CdLS AND CONGENITAL HEART ISSUES
... The kinds of heart issues that children with CdLS may be born with run from mild to severe. One of the most common heart defects seen in CdLS is a ventricular septal defect (VSD). A VSD is a hole in a particular wall of the heart. If the hole is relatively small at the time of birth, it may close up ...
... The kinds of heart issues that children with CdLS may be born with run from mild to severe. One of the most common heart defects seen in CdLS is a ventricular septal defect (VSD). A VSD is a hole in a particular wall of the heart. If the hole is relatively small at the time of birth, it may close up ...
Commotio Cordis
... Commercially available chest protectors may be inadequate in the prevention of sudden death due to commotio cordis. Reasons include the fact that the protector may move when the arms are raised, leaving the precordium exposed composite material the protector is made from does not adequately attenuat ...
... Commercially available chest protectors may be inadequate in the prevention of sudden death due to commotio cordis. Reasons include the fact that the protector may move when the arms are raised, leaving the precordium exposed composite material the protector is made from does not adequately attenuat ...