Dyspnoea after pneumonectomy
... the observation [9] that a right-to-left shunt can also appear in patients with an atrial septum defect (ASD) in the absence of elevated right-sided heart pressures, especially if the ASD is located low in the atrial septum, several authors [2, 6, 8] have indicated the possibility that altered anato ...
... the observation [9] that a right-to-left shunt can also appear in patients with an atrial septum defect (ASD) in the absence of elevated right-sided heart pressures, especially if the ASD is located low in the atrial septum, several authors [2, 6, 8] have indicated the possibility that altered anato ...
Clinical Indications for Echocardiography Echocardiography is
... M-mode echocardiography, tissue velocity imaging, 2D and 3D echocardiography, and contrast echocardiography). It does not include recommendations specifically relating to the practice of transoesophageal echocardiography and stress echocardiography, although attention is drawn where utilisation of o ...
... M-mode echocardiography, tissue velocity imaging, 2D and 3D echocardiography, and contrast echocardiography). It does not include recommendations specifically relating to the practice of transoesophageal echocardiography and stress echocardiography, although attention is drawn where utilisation of o ...
Work and Heart Disease
... the other jobs conformed to the general pattern. These differences may be related to the fact that the foreman's job is unpredictable, with a high degree of responsibility, while the controls operators and hot-strip and slab handlers have the most routine type of work, suggesting that the resting pu ...
... the other jobs conformed to the general pattern. These differences may be related to the fact that the foreman's job is unpredictable, with a high degree of responsibility, while the controls operators and hot-strip and slab handlers have the most routine type of work, suggesting that the resting pu ...
The Physiological and Evolutionary Significance of
... the ancestral state was terrestrial with an S/P of 2 (species A) and more interestingly that, each time lineage invaded an aquatic habitat and acquired diving behaviors (species C, D, and F), they also evolved an S/P 1 condition. Specifically, the heart became a single pressure pump, in which the di ...
... the ancestral state was terrestrial with an S/P of 2 (species A) and more interestingly that, each time lineage invaded an aquatic habitat and acquired diving behaviors (species C, D, and F), they also evolved an S/P 1 condition. Specifically, the heart became a single pressure pump, in which the di ...
PE357 Care of Your Child with a Pacemaker
... There are a few conditions for which children need pacemakers. Your doctor will discuss your child’s condition and why they need pacing. Some common reasons children need pacing are: Heart block: The electrical system in the heart (see picture on page 2) is “blocked” and stops impulses from travelin ...
... There are a few conditions for which children need pacemakers. Your doctor will discuss your child’s condition and why they need pacing. Some common reasons children need pacing are: Heart block: The electrical system in the heart (see picture on page 2) is “blocked” and stops impulses from travelin ...
Systolic and Diastolic Heart Failure
... Classification of heart failure is based on which heart function or which side of the heart is most affected by the condition. Systolic heart failure – failure of contraction to pump blood out of the chambers. This is measured by ejection fraction (EF) or the percentage of blood that is ejected ou ...
... Classification of heart failure is based on which heart function or which side of the heart is most affected by the condition. Systolic heart failure – failure of contraction to pump blood out of the chambers. This is measured by ejection fraction (EF) or the percentage of blood that is ejected ou ...
management of patients with repaired congenital heart disease
... 1) symptoms of a low cardiac output (such as dyspnea on exertion, fatigue, or syncope). 2) subtle neurologic abnormalities (such as headache, dizziness, or visual disturbances) due to erythrocytosis and hyperviscosity. 3) symptoms of congestive heart failure11. In addition, arrhythmias (atrial fibri ...
... 1) symptoms of a low cardiac output (such as dyspnea on exertion, fatigue, or syncope). 2) subtle neurologic abnormalities (such as headache, dizziness, or visual disturbances) due to erythrocytosis and hyperviscosity. 3) symptoms of congestive heart failure11. In addition, arrhythmias (atrial fibri ...
What is a heart attack
... associated with an increased risk of heart attack because cholesterol is the major component of the plaques deposited in arterial walls. Cholesterol, like oil, cannot dissolve in the blood unless it is combined with special proteins called lipoproteins. (Without combining with lipoproteins, choleste ...
... associated with an increased risk of heart attack because cholesterol is the major component of the plaques deposited in arterial walls. Cholesterol, like oil, cannot dissolve in the blood unless it is combined with special proteins called lipoproteins. (Without combining with lipoproteins, choleste ...
Heart Failure and Transplantation
... Lee DS, Gona P, Vasan RS, et al. Relation of disease pathogenesis and risk factors to heart failure with preserved or reduced ejection fraction: insights from the framingham heart study of the national heart, lung, and blood institute. Circulation. 2009;119:3070-7. Ammar KA, Jacobsen SJ, Mahoney DW, ...
... Lee DS, Gona P, Vasan RS, et al. Relation of disease pathogenesis and risk factors to heart failure with preserved or reduced ejection fraction: insights from the framingham heart study of the national heart, lung, and blood institute. Circulation. 2009;119:3070-7. Ammar KA, Jacobsen SJ, Mahoney DW, ...
Anatomy of the Heart of the Amphibia II. Cryptobranchus alleganiensis
... broad cardiac ligament connects twothirds of its right dorsal wall to the anteroventralwall of the right duct of Cuvier (Fig. 4B); in one specimen, the ligament extends fully along the right dorsal wall (i.e., from the right base to the apex). A right lateral coronary vein is found along the surface ...
... broad cardiac ligament connects twothirds of its right dorsal wall to the anteroventralwall of the right duct of Cuvier (Fig. 4B); in one specimen, the ligament extends fully along the right dorsal wall (i.e., from the right base to the apex). A right lateral coronary vein is found along the surface ...
Influence of Torso Model Complexity on the Noninvasive
... Location of premature ectopic ventricular activity was assessed noninvasively in five patients using integral body surface potential maps and inverse solution in terms of a single dipole. Precision of the inverse solution was studied using three different torso models: homogeneous torso model, inhom ...
... Location of premature ectopic ventricular activity was assessed noninvasively in five patients using integral body surface potential maps and inverse solution in terms of a single dipole. Precision of the inverse solution was studied using three different torso models: homogeneous torso model, inhom ...
Clinical Diagnosis of Heart Failure
... found to correlate positively with future risk of progression to heart failure.26 In patients with heart failure, increased jugular venous pressure has been shown to be an adverse prognostic indicator, predicting rates of hospitalization and correlating with risk of death from heart failure.23 More ...
... found to correlate positively with future risk of progression to heart failure.26 In patients with heart failure, increased jugular venous pressure has been shown to be an adverse prognostic indicator, predicting rates of hospitalization and correlating with risk of death from heart failure.23 More ...
The Sequence of Normal Recovery of Excitability in the
... determined from the same electrode sites. The example shown is representative of findings in other experiments with respect to major features of the orders of excitation and recovery and their relation to each other. Endocardial and intramural recovery sequence in the left ventricle was investigated ...
... determined from the same electrode sites. The example shown is representative of findings in other experiments with respect to major features of the orders of excitation and recovery and their relation to each other. Endocardial and intramural recovery sequence in the left ventricle was investigated ...
ACCURATE ESTIMATION OF ENTROPY IN VERY SHORT
... Department of Internal Medicine (Cardiovascular Division) and the Cardiovascular Research Center, University of Virginia Health System ...
... Department of Internal Medicine (Cardiovascular Division) and the Cardiovascular Research Center, University of Virginia Health System ...
Right ventricular dysfunction in chronic heart failure patients
... All these findings support the idea that the presence of the right ventricular systolic dysfunction is connected with adverse haemodynamic and humoral response and survival. Therefore, it is highly important to evaluate right ventricular function in patients with chronic heart failure. The prognosti ...
... All these findings support the idea that the presence of the right ventricular systolic dysfunction is connected with adverse haemodynamic and humoral response and survival. Therefore, it is highly important to evaluate right ventricular function in patients with chronic heart failure. The prognosti ...
Determinants of Duration and Mean Rate of Ventricular Ejection
... mean aortic pressure and temperature were held constant. At any given heart rate the duration of ejection per beat was prolonged as stroke volume was augmented, as noted above. However, as can be seen from figure 2, at any given stroke volume, the duration of ejection per beat was shorter at the hig ...
... mean aortic pressure and temperature were held constant. At any given heart rate the duration of ejection per beat was prolonged as stroke volume was augmented, as noted above. However, as can be seen from figure 2, at any given stroke volume, the duration of ejection per beat was shorter at the hig ...
The Prognostic Value of the Left Ventricular End Diastolic Volume
... independent risk factors for development of these arrhythmia. Our results fit with studies done by Moss et al study [12] Bardy et al study [13]. And Bristow et al [14] in which all they reached the conclusion that abnormal left function (measured by left ventricular end diastolic volume & low ejecti ...
... independent risk factors for development of these arrhythmia. Our results fit with studies done by Moss et al study [12] Bardy et al study [13]. And Bristow et al [14] in which all they reached the conclusion that abnormal left function (measured by left ventricular end diastolic volume & low ejecti ...
Vital Capacity and Congestive Heart Failure
... other contributing factor. Examination of the correlation of VC with other relevant variables reveals only trivial correlations (table 8). Most, however, are negative, suggesting that although small, there is a real association of low VCs with factors which reflect or promote cardiovascular disease. ...
... other contributing factor. Examination of the correlation of VC with other relevant variables reveals only trivial correlations (table 8). Most, however, are negative, suggesting that although small, there is a real association of low VCs with factors which reflect or promote cardiovascular disease. ...
Management of Acute Decompensated Heart Failure
... • A clinical syndrome resulting from any structural or functional cardiac defect limiting ventricular filling, a syndrome is described by specific symptoms and signs • Around 5.8 million people in the United States have heart failure. • About one in five people who have heart failure die within one ...
... • A clinical syndrome resulting from any structural or functional cardiac defect limiting ventricular filling, a syndrome is described by specific symptoms and signs • Around 5.8 million people in the United States have heart failure. • About one in five people who have heart failure die within one ...
Medical Policy Microvolt T
... HPHC policies are based on medical science, and written for the majority of people with a given condition. Coverage described in this policy is standard under most HPHC plans. Specific benefits may vary by product and/or employer group. Please reference appropriate member materials (e.g., Benefit Ha ...
... HPHC policies are based on medical science, and written for the majority of people with a given condition. Coverage described in this policy is standard under most HPHC plans. Specific benefits may vary by product and/or employer group. Please reference appropriate member materials (e.g., Benefit Ha ...
T
... cardiac shunts have been limited to adult or subadult animals, excluding the possibility that shunts may be physiologically important in juveniles or during embryonic development. For example, during the embryonic stage, all amniotes (mammals, birds, and reptiles) possess central vascular shunts tha ...
... cardiac shunts have been limited to adult or subadult animals, excluding the possibility that shunts may be physiologically important in juveniles or during embryonic development. For example, during the embryonic stage, all amniotes (mammals, birds, and reptiles) possess central vascular shunts tha ...
Coronary Artery Bypass Graft
... Balloon catheter system for aortic occlusion and cardioplegic arrest 5-8 cm left anterior thoracotomy incision ...
... Balloon catheter system for aortic occlusion and cardioplegic arrest 5-8 cm left anterior thoracotomy incision ...
acute myocardial infarction in an elderly patient with severe aortic
... contrast echocardiography to evaluate the deterioration of blood flow in the hypertrophied myocardium of AS patients, the myocardial blood flow in the subendocardium was significantly lower than that in normal individuals, whereas there was no significant difference in the subepicardial blood flow. ...
... contrast echocardiography to evaluate the deterioration of blood flow in the hypertrophied myocardium of AS patients, the myocardial blood flow in the subendocardium was significantly lower than that in normal individuals, whereas there was no significant difference in the subepicardial blood flow. ...
Liver function tests in patients with acute heart failure
... that an episode of acute decompensation affects not only the cardiovascular system itself, but may also deteriorate the function of other organs, caus‑ ing serious clinical consequences. Traditionally, this phenomenon has been investigated on the cardio‑ renal axis and the term “cardiorenal syndrome ...
... that an episode of acute decompensation affects not only the cardiovascular system itself, but may also deteriorate the function of other organs, caus‑ ing serious clinical consequences. Traditionally, this phenomenon has been investigated on the cardio‑ renal axis and the term “cardiorenal syndrome ...
proforma for registration of subjects for dissertation
... structures and are found in fruit, vegetables, grains, bark, roots, stems, flowers, tea, and wine. These natural products were known for their beneficial effects on health long before flavonoids were isolated as the effective compounds. Furthermore, epidemiologic studies suggest a protective role of ...
... structures and are found in fruit, vegetables, grains, bark, roots, stems, flowers, tea, and wine. These natural products were known for their beneficial effects on health long before flavonoids were isolated as the effective compounds. Furthermore, epidemiologic studies suggest a protective role of ...
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.