Real-Time MR Imaging of Aortic Flow: Influence of Breathing on Left
... smokers (⬎15 cigarettes per day, ⬎25 packyears) and seven were former heavy smokers (⬎15 cigarettes per day, ⬎15 packyears) who stopped smoking more then 9 years prior to entering this study (each patient smoked ⬎25 pack-years). The volunteers and the patients underwent a physical examination that i ...
... smokers (⬎15 cigarettes per day, ⬎25 packyears) and seven were former heavy smokers (⬎15 cigarettes per day, ⬎15 packyears) who stopped smoking more then 9 years prior to entering this study (each patient smoked ⬎25 pack-years). The volunteers and the patients underwent a physical examination that i ...
Placing the Risks Into Perspective - Scholar Commons
... The present scientific statement addresses the risks of exercise in both young and adult individuals, but it is critically important to recognize that these age groups have markedly different causes of exercise-related deaths and therefore markedly different risk-to-benefit ratios for vigorous exerc ...
... The present scientific statement addresses the risks of exercise in both young and adult individuals, but it is critically important to recognize that these age groups have markedly different causes of exercise-related deaths and therefore markedly different risk-to-benefit ratios for vigorous exerc ...
The DAVID (Dual Chamber and VVI Implantable Defibrillator) II Trial
... Statistical design and analysis. The DAVID II trial was designed as a 1-sided (noninferiority) trial testing the null hypothesis that the effect of atrial pacing, like DDDR-70 in the DAVID trial, will worsen the combined end point of total mortality and heart failure hospitalization, as compared wit ...
... Statistical design and analysis. The DAVID II trial was designed as a 1-sided (noninferiority) trial testing the null hypothesis that the effect of atrial pacing, like DDDR-70 in the DAVID trial, will worsen the combined end point of total mortality and heart failure hospitalization, as compared wit ...
- Boehringer Ingelheim (Canada)
... rapidly can produce peripheral vasodilation, PERSANTINE should be used with caution in patients with hypotension, coronary artery disease, including rapidly worsening angina, left ventricular outflow obstruction, (including subvalvular aortic stenosis), or hemodynamic instability. In rare cases, suc ...
... rapidly can produce peripheral vasodilation, PERSANTINE should be used with caution in patients with hypotension, coronary artery disease, including rapidly worsening angina, left ventricular outflow obstruction, (including subvalvular aortic stenosis), or hemodynamic instability. In rare cases, suc ...
Myocardial function by echocardiography for risk stratification
... During the final phases of my Ph.D., I have been working as a junior doctor at the Department of Cardiology, collecting valuable bedside experience. I would like to thank my clinical supervisor, Dr. Arne Andreassen for precious advice in both clinical and academic matters. There are also several co ...
... During the final phases of my Ph.D., I have been working as a junior doctor at the Department of Cardiology, collecting valuable bedside experience. I would like to thank my clinical supervisor, Dr. Arne Andreassen for precious advice in both clinical and academic matters. There are also several co ...
Primary vagally mediated decelerations in heart rate during tonic
... previously observed baroreceptor-mediated decelerations, which occur mainly during transition from SWS to desynchronized sleep and more frequently during phasic REM than any other stage of REM sleep (7). It is surprising that this phenomenon of a primary deceleration has not been previously describe ...
... previously observed baroreceptor-mediated decelerations, which occur mainly during transition from SWS to desynchronized sleep and more frequently during phasic REM than any other stage of REM sleep (7). It is surprising that this phenomenon of a primary deceleration has not been previously describe ...
Basic Concepts of Diastolic Function
... impaired relaxation, impaired compliance, or both. Epidemiologic studies suggest 50% of cases with heart failure have preserved systolic function, meaning that at least half of heart failure is isolated diastolic heart failure. LV diastolic dysfunction is an independent predictor of postoperative co ...
... impaired relaxation, impaired compliance, or both. Epidemiologic studies suggest 50% of cases with heart failure have preserved systolic function, meaning that at least half of heart failure is isolated diastolic heart failure. LV diastolic dysfunction is an independent predictor of postoperative co ...
Anatomy of the Atrioventricular Conduction System in
... were most often cardiac, either related to the congenital anomaly (most cases) or a complication of it (for example, one patient died of brain abscess secondary to subacute bacterial endocarditis). In a few instances, death was related to the presence of associated noneardiae congenital anomalies. M ...
... were most often cardiac, either related to the congenital anomaly (most cases) or a complication of it (for example, one patient died of brain abscess secondary to subacute bacterial endocarditis). In a few instances, death was related to the presence of associated noneardiae congenital anomalies. M ...
Mitral Stenosis
... The increased left atrial pressure associated with mitral stenosis leads to left atrial enlargement, pulmonary hypertension, right ventricular enlargement and tricuspid regurgitation. Left atrial size should be measured in the short axis view of the aortic valve, as this view has best been correlate ...
... The increased left atrial pressure associated with mitral stenosis leads to left atrial enlargement, pulmonary hypertension, right ventricular enlargement and tricuspid regurgitation. Left atrial size should be measured in the short axis view of the aortic valve, as this view has best been correlate ...
Arrhythmia/Electrophysiology
... with chronic AF include increased risk for both thromboembolism and stroke.2 Left untreated, paroxysmal AF often progresses to permanent AF, which is resistant to therapy.3 Although underlying anatomic or pathophysiological factors may fuel this progression,3 AF itself may lead to its own perpetuati ...
... with chronic AF include increased risk for both thromboembolism and stroke.2 Left untreated, paroxysmal AF often progresses to permanent AF, which is resistant to therapy.3 Although underlying anatomic or pathophysiological factors may fuel this progression,3 AF itself may lead to its own perpetuati ...
Diagnosis of Cardiac Tamponade.
... Classic clinical findings have been described for tamponade. However, these findings are often obvious only when the patient is unstable due to tamponade. Ideally, tamponade is diagnosed early, when the patient suffers no more than dyspnea, weakness, or perhaps right heart failure. It is common to a ...
... Classic clinical findings have been described for tamponade. However, these findings are often obvious only when the patient is unstable due to tamponade. Ideally, tamponade is diagnosed early, when the patient suffers no more than dyspnea, weakness, or perhaps right heart failure. It is common to a ...
Delayed-enhancement cardiac MRI in the evaluation of
... layer, and in more severe ischemic damage can have a more complete gradient of transmurality, becoming a full-thickness scar (Table 1) . This pattern is secondary to the wavefront phenomenon of ischemic cell death [18] and characteristically occurs in the distribution corresponding to coronary arter ...
... layer, and in more severe ischemic damage can have a more complete gradient of transmurality, becoming a full-thickness scar (Table 1) . This pattern is secondary to the wavefront phenomenon of ischemic cell death [18] and characteristically occurs in the distribution corresponding to coronary arter ...
PDF - Circulation: Arrhythmia and Electrophysiology
... Figure 7. Schematic for activation in clockwise bundle-branch re-entrant ventricular tachycardia. The anatomy of bundle-branches is drawn, as previously described by Massing and James.7 The left bundle-branch divides in the basal septum at a variable length below aortic valve to anterior and poster ...
... Figure 7. Schematic for activation in clockwise bundle-branch re-entrant ventricular tachycardia. The anatomy of bundle-branches is drawn, as previously described by Massing and James.7 The left bundle-branch divides in the basal septum at a variable length below aortic valve to anterior and poster ...
Junctional Ectopic Tachycardia after Congenital Heart Surgery
... tory period of every ventricular contraction (24). It has the highest efficacy rate for the treatment of JET and is therefore the first-line treatment option to restore sinus rhythm and slow the heart rate (1, 8, 27). Amiodarone should be administered whenever JET leads to hemodynamic instability. ...
... tory period of every ventricular contraction (24). It has the highest efficacy rate for the treatment of JET and is therefore the first-line treatment option to restore sinus rhythm and slow the heart rate (1, 8, 27). Amiodarone should be administered whenever JET leads to hemodynamic instability. ...
Pulse pressure as a haemodynamic variable in systolic heart failure
... were randomised to ibopamine, an oral dopamine agonist, or placebo. All subjects had to have symptoms of heart failure at rest despite optimal therapy, within the 2 months before randomisation or have been recently admitted to hospital with worsening heart failure. Hospitalised patients were exclude ...
... were randomised to ibopamine, an oral dopamine agonist, or placebo. All subjects had to have symptoms of heart failure at rest despite optimal therapy, within the 2 months before randomisation or have been recently admitted to hospital with worsening heart failure. Hospitalised patients were exclude ...
Cardiovascular magnetic resonance imaging in ischemic heart
... patients with typical or atypical chest pain or correlates suspected of being due to CAD and who have a low or intermediate cardiovascular risk profile, as well as in asymptomatic patients with high cardiovascular risk profiles, such as diabetics, or in patients with known CAD during follow-up (10). E ...
... patients with typical or atypical chest pain or correlates suspected of being due to CAD and who have a low or intermediate cardiovascular risk profile, as well as in asymptomatic patients with high cardiovascular risk profiles, such as diabetics, or in patients with known CAD during follow-up (10). E ...
Left Ventricular Dynamic Geometry in the Intact and Open Chest Dog
... common to assume a shape or symmetry (for example, an elliptical chamber) to study ventricular shape changes. Measuring devices fixed anatomically, such as radiopaque markers or ultrasonic crystals, are assumed to bear a fixed and physically meaningful relationship to the deforming ventricle (for ex ...
... common to assume a shape or symmetry (for example, an elliptical chamber) to study ventricular shape changes. Measuring devices fixed anatomically, such as radiopaque markers or ultrasonic crystals, are assumed to bear a fixed and physically meaningful relationship to the deforming ventricle (for ex ...
Acute Ischemic Stroke Management
... in the cranium puts pressure and irritates brain tissue and structures. If left untreated, this will cause cell death and/or herniation. ...
... in the cranium puts pressure and irritates brain tissue and structures. If left untreated, this will cause cell death and/or herniation. ...
Triumph of the trials
... AFFIRM and RACE would give all the answers "I was disappointed" The issue is quality of life, not mortality, but that wasn't studied ...
... AFFIRM and RACE would give all the answers "I was disappointed" The issue is quality of life, not mortality, but that wasn't studied ...
Flip and See ECG
... In 1887, Augustus Waller invented the electrode. This electrode allowed the electrical currents to be measured through intact skin, which was a tremendous boon to both patients and medical personnel. The electrode was a large magnetic plate that hooked up to a capillary electrometer, a column of mer ...
... In 1887, Augustus Waller invented the electrode. This electrode allowed the electrical currents to be measured through intact skin, which was a tremendous boon to both patients and medical personnel. The electrode was a large magnetic plate that hooked up to a capillary electrometer, a column of mer ...
ECG Interpretation and Clinical Significance
... addition, as a multiskilled health care employee you may be required to determine if an ECG is normal or abnormal and be able to respond to a cardiac emergency, if necessary. You will follow your scope of practice and the policy at your place of employment when evaluating and reporting dysrhythmias. ...
... addition, as a multiskilled health care employee you may be required to determine if an ECG is normal or abnormal and be able to respond to a cardiac emergency, if necessary. You will follow your scope of practice and the policy at your place of employment when evaluating and reporting dysrhythmias. ...
Noninvasive electrocardiographic imaging for cardiac
... right bundle branch (RBB) block (subject R), a conduction abnormality in which conduction through the right bundle branch of the specialized conduction system is blocked, and the impulse originating in the sinoatrial node is conducted from atria to ventricles through the left bundle branch (LBB) onl ...
... right bundle branch (RBB) block (subject R), a conduction abnormality in which conduction through the right bundle branch of the specialized conduction system is blocked, and the impulse originating in the sinoatrial node is conducted from atria to ventricles through the left bundle branch (LBB) onl ...
SUDDEN CARDIAC DEATH IN YOUNG PEOPLE – FORENSIC
... Life and death are two aspects of the same reality, interrelated sides of existential dualism. Defining death, considered as a dark and cryptic side of existential binominal (in which participates along with life), encounters difficulties, until now it could not be made a definition that includes al ...
... Life and death are two aspects of the same reality, interrelated sides of existential dualism. Defining death, considered as a dark and cryptic side of existential binominal (in which participates along with life), encounters difficulties, until now it could not be made a definition that includes al ...
CHANGES IN AUTONOMIC TONE RESULTING FROM CIRCUMFERENTIAL PULMONARY VEIN ISOLATION by GEOFFREY SEABORN
... activity and cardiovascular mortality. HRV analysis is performed by measuring variability in time intervals between a series of consecutive heartbeats. Since this variability is the result of constant modulation by the sympathetic and parasympathetic nervous systems during sinus rhythm, HRV reflects ...
... activity and cardiovascular mortality. HRV analysis is performed by measuring variability in time intervals between a series of consecutive heartbeats. Since this variability is the result of constant modulation by the sympathetic and parasympathetic nervous systems during sinus rhythm, HRV reflects ...