Standard PDF - Wiley Online Library
... illustrates such an analysis process. These blanking intervals represented only 3% of the signal durations during sinus rhythm and up to 18% of signal duration during AF. Following artifact removal, the activity generated by individual IC neuronal somata could be characterized by their specific ampl ...
... illustrates such an analysis process. These blanking intervals represented only 3% of the signal durations during sinus rhythm and up to 18% of signal duration during AF. Following artifact removal, the activity generated by individual IC neuronal somata could be characterized by their specific ampl ...
risks of exercise
... In middle-aged and older adults, exercise-related deaths are generally due to plaque rupture and thrombosis formation, leading to AMI, or to malignant ventricular arrhythmias. In apparently healthy individuals with no prior history of cardiovascular disease, the presentation is generally AMI rather ...
... In middle-aged and older adults, exercise-related deaths are generally due to plaque rupture and thrombosis formation, leading to AMI, or to malignant ventricular arrhythmias. In apparently healthy individuals with no prior history of cardiovascular disease, the presentation is generally AMI rather ...
Congenital Left Main Coronary Artery Fistula to Right Atrium : A
... which was not investigated. There were no special symptoms related to heart or any other organ in her past medical history. In physical examination the patient was acyanotic, well developed and well nourished. Weight = 16 kg, height = 110 cm, BP = 100/60 mm Hg. Chest auscultation disclosed a grade 3 ...
... which was not investigated. There were no special symptoms related to heart or any other organ in her past medical history. In physical examination the patient was acyanotic, well developed and well nourished. Weight = 16 kg, height = 110 cm, BP = 100/60 mm Hg. Chest auscultation disclosed a grade 3 ...
Therapeutic Embolization of Anomalous Systemic Arterial Supply to
... grade III/VI, was audible loudest at the left lower parasternal area. The liver was 3 cm below the right costal margin, and mild bilateral subcostal retraction was found. Two-dimensional echocardiography revealed dilation and hypertrophy of the left ventricle and left atrium. The intracardiac anatom ...
... grade III/VI, was audible loudest at the left lower parasternal area. The liver was 3 cm below the right costal margin, and mild bilateral subcostal retraction was found. Two-dimensional echocardiography revealed dilation and hypertrophy of the left ventricle and left atrium. The intracardiac anatom ...
A study of inflammatory markers and their
... of CHF. Therefore, the present study was undertaken with the aim to evaluate the association between inflammatory markers and CHF and to correlate them with severity of CHF. A total of 42 subjects were initially classified into 2 groups. First group was control group. Second group was CHF group, whi ...
... of CHF. Therefore, the present study was undertaken with the aim to evaluate the association between inflammatory markers and CHF and to correlate them with severity of CHF. A total of 42 subjects were initially classified into 2 groups. First group was control group. Second group was CHF group, whi ...
PDF - Heart Rhythm Society
... common clinical scenarios where implantable cardioverterdefibrillators (ICDs) and cardiac resynchronization therapy (CRT), also known as biventricular pacing, are frequently considered. These implanted devices are also collectively referred to as cardiovascular implantable electronic devices (CIEDs) ...
... common clinical scenarios where implantable cardioverterdefibrillators (ICDs) and cardiac resynchronization therapy (CRT), also known as biventricular pacing, are frequently considered. These implanted devices are also collectively referred to as cardiovascular implantable electronic devices (CIEDs) ...
(PIL) - (eMC)
... 2. POSOLOGY AND METHOD OF ADMINISTRATION When used for detection of myocardial ischaemia and of viable myocardium within the scope of an echocardiographic examination (dobutamine stress echocardiography), dobutamine may only be administered by a physician with sufficient experience in conducting ca ...
... 2. POSOLOGY AND METHOD OF ADMINISTRATION When used for detection of myocardial ischaemia and of viable myocardium within the scope of an echocardiographic examination (dobutamine stress echocardiography), dobutamine may only be administered by a physician with sufficient experience in conducting ca ...
Outcome of Heart Failure with Preserved Ejection Fraction in a
... We used Cox proportional-hazards analysis to identify factors associated with an increased risk of death after hospitalization for heart failure. Candidate variables were included in the initial Cox regression model if they were associated with death in a univariate analysis (P<0.20). Backward varia ...
... We used Cox proportional-hazards analysis to identify factors associated with an increased risk of death after hospitalization for heart failure. Candidate variables were included in the initial Cox regression model if they were associated with death in a univariate analysis (P<0.20). Backward varia ...
Evaluation of Syncope
... from any cause (hazard ratio [HR] = 1.3; 95% confidence interval [CI], 1.1 to 1.5) and cardiovascular events (HR = 1.3; 95% CI, 1.0 to 1.6). When syncope is secondary to a cardiac etiology, the risk of death from any cause is more than twofold (HR = 2.0; 95% CI, 1.5 to 2.7). Neurally mediated and o ...
... from any cause (hazard ratio [HR] = 1.3; 95% confidence interval [CI], 1.1 to 1.5) and cardiovascular events (HR = 1.3; 95% CI, 1.0 to 1.6). When syncope is secondary to a cardiac etiology, the risk of death from any cause is more than twofold (HR = 2.0; 95% CI, 1.5 to 2.7). Neurally mediated and o ...
Guidelines and Standards for Performance of a Pediatric
... important to obtain the information required for the diagnosis and proper treatment of the pediatric patient. The general categories of indications are provided below, with emphasis placed on the indications for a pediatric echocardiogram versus a standard adult study. For detailed age-specific list ...
... important to obtain the information required for the diagnosis and proper treatment of the pediatric patient. The general categories of indications are provided below, with emphasis placed on the indications for a pediatric echocardiogram versus a standard adult study. For detailed age-specific list ...
Development and validation of an algorithm to
... right atrial flutter, “lower loop reentry” has been the term proposed for counterclockwise reentry around the inferior vena cava where the anterior arm of the circuit is the inferior vena cava - tricuspid valve isthmus and the posterior arm is the low posterior right atrium wall with conduction acro ...
... right atrial flutter, “lower loop reentry” has been the term proposed for counterclockwise reentry around the inferior vena cava where the anterior arm of the circuit is the inferior vena cava - tricuspid valve isthmus and the posterior arm is the low posterior right atrium wall with conduction acro ...
Guidelines and Standards for Performance of a Pediatric
... important to obtain the information required for the diagnosis and proper treatment of the pediatric patient. The general categories of indications are provided below, with emphasis placed on the indications for a pediatric echocardiogram versus a standard adult study. For detailed age-specific list ...
... important to obtain the information required for the diagnosis and proper treatment of the pediatric patient. The general categories of indications are provided below, with emphasis placed on the indications for a pediatric echocardiogram versus a standard adult study. For detailed age-specific list ...
Inspection of Neck Veins - Turner White Communications
... patient’s cardiopulmonary status. An inspection of the neck veins involves an evaluation of their physical appearance, an analysis of the venous pulse, and an estimation of central venous pressure (CVP). The right internal jugular vein is typically the best neck vein to inspect in most patients. Jug ...
... patient’s cardiopulmonary status. An inspection of the neck veins involves an evaluation of their physical appearance, an analysis of the venous pulse, and an estimation of central venous pressure (CVP). The right internal jugular vein is typically the best neck vein to inspect in most patients. Jug ...
Catheter Ablation in New Zealand
... electrical conduction in the heart (arrhythmia). It is a complex and evolving area, with interventions including, but not exclusively, catheter ablation, medical therapy, pacemaker and implantable cardioverter-defibrillator insertion. Catheter ablation involves the passing of a catheter through the ...
... electrical conduction in the heart (arrhythmia). It is a complex and evolving area, with interventions including, but not exclusively, catheter ablation, medical therapy, pacemaker and implantable cardioverter-defibrillator insertion. Catheter ablation involves the passing of a catheter through the ...
Trans-Septal Puncture Procedures and Devices
... by the dilator, and is most commonly a Mullins TS introducer (Medtronic, Minneapolis, Minnesota). The radius of the end of the catheter is available in different sizes, allowing variable reach within the RA. The needle is then inserted into the dilator, and allowed to freely rotate as it is advanced ...
... by the dilator, and is most commonly a Mullins TS introducer (Medtronic, Minneapolis, Minnesota). The radius of the end of the catheter is available in different sizes, allowing variable reach within the RA. The needle is then inserted into the dilator, and allowed to freely rotate as it is advanced ...
Standards for the use of cardiopulmonary exercise testing
... role of a central nervous system governor [29]. VO2max attainment is evidenced by failure of VO2 to increase despite increasing work rate [30]. However, flattening of the VO2 versus power relationship is not seen often in routine clinical practice, and therefore a more realistic goal is to assess pe ...
... role of a central nervous system governor [29]. VO2max attainment is evidenced by failure of VO2 to increase despite increasing work rate [30]. However, flattening of the VO2 versus power relationship is not seen often in routine clinical practice, and therefore a more realistic goal is to assess pe ...
Lowgrade systolic murmurs in healthy middleaged individuals
... middle-aged and older individuals may be associated with various degrees of aortic valve sclerosis. Aortic valve sclerosis is thought to form the basis of most systolic murmurs in people in these age groups and is associated with a 50% increased risk of death from cardiovascular disease (CVD) [1–3]. ...
... middle-aged and older individuals may be associated with various degrees of aortic valve sclerosis. Aortic valve sclerosis is thought to form the basis of most systolic murmurs in people in these age groups and is associated with a 50% increased risk of death from cardiovascular disease (CVD) [1–3]. ...
fellowship training program - Boston Children`s Hospital
... floor, and to respond to urgent consults from other services. At present, fellows are expected to take coverage every fourth night in the ICU for approximately three months and perform night float coverage for two months (divided time) during the first eighteen months of training. Ample backup suppo ...
... floor, and to respond to urgent consults from other services. At present, fellows are expected to take coverage every fourth night in the ICU for approximately three months and perform night float coverage for two months (divided time) during the first eighteen months of training. Ample backup suppo ...
19 Congenital Heart Disease in Children and Adults
... syndrome and abnormalities of laterality). This will also lead to an improved understanding of the genetic regulation of cardiac development. Understanding the aetiology and genetic basis for congenital cardiac malformations has practical implications for counselling. Risks of sibling recurrence hav ...
... syndrome and abnormalities of laterality). This will also lead to an improved understanding of the genetic regulation of cardiac development. Understanding the aetiology and genetic basis for congenital cardiac malformations has practical implications for counselling. Risks of sibling recurrence hav ...
Sports related rehabilitation following myocardial infarction
... of all ages, in hospital or community settings, who have had myocardial infarction, coronary artery bypass graft or percutaneous transluminal coronary angioplasty, or who have angina pectoris or coronary artery disease defined by angiography. DATA COLLECTION AND ANALYSIS: Studies were selected indep ...
... of all ages, in hospital or community settings, who have had myocardial infarction, coronary artery bypass graft or percutaneous transluminal coronary angioplasty, or who have angina pectoris or coronary artery disease defined by angiography. DATA COLLECTION AND ANALYSIS: Studies were selected indep ...
Full Text - Journal of Preventive Cardiology
... SCD is unexpected death that occurs within one hour from the start of symptoms when death is witnessed, and within 24 hours of being seen alive and well when it is unwitnessed.13 The majority of SCD’s are not witnessed and if witnessed information is obtained, it is unreliable. Furthermore, in many ...
... SCD is unexpected death that occurs within one hour from the start of symptoms when death is witnessed, and within 24 hours of being seen alive and well when it is unwitnessed.13 The majority of SCD’s are not witnessed and if witnessed information is obtained, it is unreliable. Furthermore, in many ...
Percutaneous Mitral Valve Intervention and modelling with multi
... heart failure patients exhibiting at least moderate regurgitation.2 Severity of MR predicts mortality3 and increased morbidity in ischaemic and non-ischaemic aetiologies4, regardless of revascularisation techniqueas well as in asymptomatic patients.5 Mitral valve repair, by surgical or interventiona ...
... heart failure patients exhibiting at least moderate regurgitation.2 Severity of MR predicts mortality3 and increased morbidity in ischaemic and non-ischaemic aetiologies4, regardless of revascularisation techniqueas well as in asymptomatic patients.5 Mitral valve repair, by surgical or interventiona ...
Chapter 6
... Mosby items and derived items © 2011, 2006 by Mosby, Inc., an affiliate of Elsevier Inc. ...
... Mosby items and derived items © 2011, 2006 by Mosby, Inc., an affiliate of Elsevier Inc. ...
Untitled
... This Appropriate Use Criteria (AUC) has been developed to serve as a supplement to the Clinical Practice Guidelines (CPG).1-5 It does not replace the CPGs which are evidence based. The objective of the AUC document is to combine the best available scientific evidence with the collective judgement of ...
... This Appropriate Use Criteria (AUC) has been developed to serve as a supplement to the Clinical Practice Guidelines (CPG).1-5 It does not replace the CPGs which are evidence based. The objective of the AUC document is to combine the best available scientific evidence with the collective judgement of ...
PDF
... rate were well controlled. An ejection systolic murmur and click were auscultated over the aortic area. Electrocardiogram showed sinus rhythm and left ventricular hypertrophy. A transthoracic echocardiogram showed normal biventricular size and systolic function, well-seated mechanical aortic prosthe ...
... rate were well controlled. An ejection systolic murmur and click were auscultated over the aortic area. Electrocardiogram showed sinus rhythm and left ventricular hypertrophy. A transthoracic echocardiogram showed normal biventricular size and systolic function, well-seated mechanical aortic prosthe ...
Electrocardiography
Electrocardiography (ECG or EKG*) is the process of recording the electrical activity of the heart over a period of time using electrodes placed on a patient's body. These electrodes detect the tiny electrical changes on the skin that arise from the heart muscle depolarizing during each heartbeat.In a conventional 12 lead ECG, ten electrodes are placed on the patient's limbs and on the surface of the chest. The overall magnitude of the heart's electrical potential is then measured from twelve different angles (""leads"") and is recorded over a period of time (usually 10 seconds). In this way, the overall magnitude and direction of the heart's electrical depolarization is captured at each moment throughout the cardiac cycle. The graph of voltage versus time produced by this noninvasive medical procedure is referred to as an electrocardiogram (abbreviated ECG or EKG).During each heartbeat, a healthy heart will have an orderly progression of depolarization that starts with pacemaker cells in the sinoatrial node, spreads out through the atrium, passes through the atrioventricular node down into the bundle of His and into the Purkinje fibers spreading down and to the left throughout the ventricles. This orderly pattern of depolarization gives rise to the characteristic ECG tracing. To the trained clinician, an ECG conveys a large amount of information about the structure of the heart and the function of its electrical conduction system. Among other things, an ECG can be used to measure the rate and rhythm of heartbeats, the size and position of the heart chambers, the presence of any damage to the heart's muscle cells or conduction system, the effects of cardiac drugs, and the function of implanted pacemakers.