Original Article: A study of right ventricular infarction in inferior wall
... this will lead to worsening of symptoms. This treatment strategy would differ from therapy for pump failure caused by acute left ventricular infarction due to need for maintaining the RV preload in acute RV infarction.22 Our observations suggest that RVI occurs in more than one-third of patients wit ...
... this will lead to worsening of symptoms. This treatment strategy would differ from therapy for pump failure caused by acute left ventricular infarction due to need for maintaining the RV preload in acute RV infarction.22 Our observations suggest that RVI occurs in more than one-third of patients wit ...
Reciprocal of Wall Thickness
... (A) and thickness (H) of the section. Although A and H vary during the cardiac cycle, Vm is constant because the myocardium is incompressible. Isotropic wall tension, the average of circumferential and meridional wall tension (Te and T,), is invariant and takes the same value for every direction per ...
... (A) and thickness (H) of the section. Although A and H vary during the cardiac cycle, Vm is constant because the myocardium is incompressible. Isotropic wall tension, the average of circumferential and meridional wall tension (Te and T,), is invariant and takes the same value for every direction per ...
Basic science behind the cardiovascular benefits of exercise
... changes that are considered physiological, there are, however, an extremely small proportion of athletes who develop pronounced morphological changes that overlap with phenotypic expressions of cardiac pathology associated with sudden cardiac death, namely hypertrophic cardiomyopathy, dilated cardio ...
... changes that are considered physiological, there are, however, an extremely small proportion of athletes who develop pronounced morphological changes that overlap with phenotypic expressions of cardiac pathology associated with sudden cardiac death, namely hypertrophic cardiomyopathy, dilated cardio ...
Second Heart Sound in Pulmonary Hypertension - Heart
... had additional anomalous pulmonary venous drainComment. The second heart sound of patients age; one had an ostium primum defect; the rewith slight mitral regurgitation is normal, apart mainder had ostium secundum defects. The from a slightly higher incidence of constancy of diagnosis in each patient ...
... had additional anomalous pulmonary venous drainComment. The second heart sound of patients age; one had an ostium primum defect; the rewith slight mitral regurgitation is normal, apart mainder had ostium secundum defects. The from a slightly higher incidence of constancy of diagnosis in each patient ...
complete auriculo-ventricular dissociation with high ventricular rate
... organic heart disease; the exception was a woman whose dissociation developed after tonsillectomy (White, 1916). In'Hewlett's own case the P-R interval was considerably prolonged, and during attacks of dissociation the ventricles usually, although not invariably, beat more rapidly than the auricles; ...
... organic heart disease; the exception was a woman whose dissociation developed after tonsillectomy (White, 1916). In'Hewlett's own case the P-R interval was considerably prolonged, and during attacks of dissociation the ventricles usually, although not invariably, beat more rapidly than the auricles; ...
Heart Rhythms, Let`s Keep It Simple! Linda Latour, RN/CN III 7100
... Rhythm: irregularly irregular Rate: slow or fast No identifiable P’s QRS usually narrow but may be wide with conduction defect ...
... Rhythm: irregularly irregular Rate: slow or fast No identifiable P’s QRS usually narrow but may be wide with conduction defect ...
Cardiac Resynchronization Therapy for Patients With Left
... earlier systematic reviews focused on randomized efficacy trials, the generalizability of their results to clinical practice were unknown (particularly with respect to response rates, clinical effects, and safety when these devices are used in routine practice outside of clinical trial centers and i ...
... earlier systematic reviews focused on randomized efficacy trials, the generalizability of their results to clinical practice were unknown (particularly with respect to response rates, clinical effects, and safety when these devices are used in routine practice outside of clinical trial centers and i ...
The Use of Central Venous Pressure in Critically Ill Patients
... intersection of the pump function and circuit function, it is possible to have a very dynamic heart in association with a large blood volume and a low CVP. A simple example is exercise. During exercise, the CVP in a normal subject is only in the range of 2–4 mmHg and yet this is associated with very ...
... intersection of the pump function and circuit function, it is possible to have a very dynamic heart in association with a large blood volume and a low CVP. A simple example is exercise. During exercise, the CVP in a normal subject is only in the range of 2–4 mmHg and yet this is associated with very ...
Timolol Maleate Ophthalmic Solution on Heart Rate and Selected
... Key words: Cardiomyopathy; Doppler; Echocardiography; Feline. ...
... Key words: Cardiomyopathy; Doppler; Echocardiography; Feline. ...
Modeling left ventricular diastolic dysfunction: classification and key
... http://www.tbiomed.com/content/8/1/14 ...
... http://www.tbiomed.com/content/8/1/14 ...
Heart failure with preserved ejection fraction: Current management
... Comorbidities impose serious risk on rehospitalisation rates in HFpEF[16]. This is particularly important for systolic and diastolic blood pressure [17, 18]. Therefore ACEi, ARB, CCB, diuretics and beta-blockers are recommended to control blood pressure These substance classes can induce a regressio ...
... Comorbidities impose serious risk on rehospitalisation rates in HFpEF[16]. This is particularly important for systolic and diastolic blood pressure [17, 18]. Therefore ACEi, ARB, CCB, diuretics and beta-blockers are recommended to control blood pressure These substance classes can induce a regressio ...
Ashburn DA, Blackstone EH, Wells WJ, Jonas RA, Pigula FA
... 2-ventricle repair, 33%; Fontan repair, 20%; 1.5-ventricle repair, 5%; heart transplant, 2%; death before reaching definitive repair, 38%; and alive without definitive repair, 2%. Patient-related factors discriminating among end states primarily included adequacy of right-sided heart structures, deg ...
... 2-ventricle repair, 33%; Fontan repair, 20%; 1.5-ventricle repair, 5%; heart transplant, 2%; death before reaching definitive repair, 38%; and alive without definitive repair, 2%. Patient-related factors discriminating among end states primarily included adequacy of right-sided heart structures, deg ...
Right Ventricular Volume Determinations in 18 Patients
... Preoperative right ventricular volumes calculated by Simpson's rule and modified by Graham et al.51' 60 reflect the severity of right ventricular hypoplasia (tables 2 and 3). Right ventricular end-diastolic volumes (RVEDV) were less than 2.0 ml in four patients (tables 2 and 3). Since RVEDV increase ...
... Preoperative right ventricular volumes calculated by Simpson's rule and modified by Graham et al.51' 60 reflect the severity of right ventricular hypoplasia (tables 2 and 3). Right ventricular end-diastolic volumes (RVEDV) were less than 2.0 ml in four patients (tables 2 and 3). Since RVEDV increase ...
Aortic diameter and pressure-flow sequence identify
... nephrine and high impulse cardiopulmonary resuscitation with and without epinephrine. The differences in peak left ventricular and aortic pressures during vest and high impulse cardiopulmonary resuscitation were attributable to a flail chest, which developed in one of the seven dogs studied and whic ...
... nephrine and high impulse cardiopulmonary resuscitation with and without epinephrine. The differences in peak left ventricular and aortic pressures during vest and high impulse cardiopulmonary resuscitation were attributable to a flail chest, which developed in one of the seven dogs studied and whic ...
Association of Left Ventricular Dilation at Listing for Heart Transplant
... dysfunction in children with dilated cardiomyopathy at the time of listing for cardiac transplantation are associated with survival while waiting for and early after transplant. Methods and Results—We analyzed echocardiographic data obtained within 6 months of listing for heart transplant and clinic ...
... dysfunction in children with dilated cardiomyopathy at the time of listing for cardiac transplantation are associated with survival while waiting for and early after transplant. Methods and Results—We analyzed echocardiographic data obtained within 6 months of listing for heart transplant and clinic ...
Regulation of Ventricular Contraction
... figure 2 (before infusion) with the first segeach strip of tracing in (A) and (B). ment of the right panel (after 1 infusion). The same series of frequency graded stimuli of arterial pressure was small during stellate were then once again applied with the reganglion stimulation, the increased contra ...
... figure 2 (before infusion) with the first segeach strip of tracing in (A) and (B). ment of the right panel (after 1 infusion). The same series of frequency graded stimuli of arterial pressure was small during stellate were then once again applied with the reganglion stimulation, the increased contra ...
Left Ventricular End-Diastolic Pressure-Volume
... To estimate changes in compliance, we evaluated the effects of sepsis on the end-diastolic pressure-volume relationship (EDPVR) in the left ventricle of rats that had undergone an open thorax procedure. Sepsis was induced in male Wistar Hannover rats (n 7; 240 to 270 g) by intraperitoneal administra ...
... To estimate changes in compliance, we evaluated the effects of sepsis on the end-diastolic pressure-volume relationship (EDPVR) in the left ventricle of rats that had undergone an open thorax procedure. Sepsis was induced in male Wistar Hannover rats (n 7; 240 to 270 g) by intraperitoneal administra ...
with abnormalities of atrioventricular conduction Genetic study of
... there were 63 first degree relatives (20 parents, 27 siblings, and i6 children). Forty-six of the 50 living first degree relatives had clinical examinations, electrocardiograms, and chest radiographs. Adequate diagnostic information was obtained on five of the I3 first degree relatives who had died. ...
... there were 63 first degree relatives (20 parents, 27 siblings, and i6 children). Forty-six of the 50 living first degree relatives had clinical examinations, electrocardiograms, and chest radiographs. Adequate diagnostic information was obtained on five of the I3 first degree relatives who had died. ...
Cardiac Resynchronization for the Implanter
... posterolateral LV epicardial electrode placed at the time of cardiac operation: • Those with pacers already in place • Those with large, hypocontractile LV’s who are likely to need pacing • Some Maze patients • Those who may need ICD’s ...
... posterolateral LV epicardial electrode placed at the time of cardiac operation: • Those with pacers already in place • Those with large, hypocontractile LV’s who are likely to need pacing • Some Maze patients • Those who may need ICD’s ...
Assessment of Aortic Stiffness in Marfan Syndrome Using
... within the normal range, (P < 0.001). Aortic root size at the level of the sinuses of Valsalva and aortic annulus diameter were significantly increased in the patient group. Values for the AoS parameters are presented in Table III. The TD between the intervals from QRS to the onset of ascending aort ...
... within the normal range, (P < 0.001). Aortic root size at the level of the sinuses of Valsalva and aortic annulus diameter were significantly increased in the patient group. Values for the AoS parameters are presented in Table III. The TD between the intervals from QRS to the onset of ascending aort ...
Relation Between Right Ventricular Function and Increased Right
... study evaluated the effect of lateral wall scar on reverse remodeling and the clinical response to cardiac resynchronization therapy. For the most part, these patients did not have severe pulmonary hypertension. To include a patient population with a wider range of pulmonary hypertension, we also in ...
... study evaluated the effect of lateral wall scar on reverse remodeling and the clinical response to cardiac resynchronization therapy. For the most part, these patients did not have severe pulmonary hypertension. To include a patient population with a wider range of pulmonary hypertension, we also in ...
Aortic valve dynamics as a tool for pump speed assessment
... 3.2.2 Other complications related to suboptimal pump flow during axial flow pump support Identification of the optimal pump speed setting and thus pump flow for a particular patient is substantial. When pump flow is not within a certain optimal range, the pump might perform ineffectively which could ...
... 3.2.2 Other complications related to suboptimal pump flow during axial flow pump support Identification of the optimal pump speed setting and thus pump flow for a particular patient is substantial. When pump flow is not within a certain optimal range, the pump might perform ineffectively which could ...
PDF - Oxford Academic
... significantly vary with follow up, the rise in pulmonary blood flow for a given exercise load is therefore due to an increasing stroke volume. Epstein et a/.[l8], studying healthy corrected atrial septal defect patients (youngest 14 years) demonstrated a reduction in the rise in cardiac output (meas ...
... significantly vary with follow up, the rise in pulmonary blood flow for a given exercise load is therefore due to an increasing stroke volume. Epstein et a/.[l8], studying healthy corrected atrial septal defect patients (youngest 14 years) demonstrated a reduction in the rise in cardiac output (meas ...
Hypertrophic cardiomyopathy
Hypertrophic cardiomyopathy (HCM) is a primary disease of the myocardium (the muscle of the heart) in which a portion of the myocardium is hypertrophied (thickened) without any obvious cause, creating functional impairment of the cardiac muscle. It is a leading cause of sudden cardiac death in young athletes.The occurrence of hypertrophic cardiomyopathy is a significant cause of sudden unexpected cardiac death in any age group and as a cause of disabling cardiac symptoms. Younger people are likely to have a more severe form of hypertrophic cardiomyopathy.HCM is frequently asymptomatic until sudden cardiac death, and for this reason some suggest routinely screening certain populations for this disease.A cardiomyopathy is a disease that affects the muscle of the heart. With HCM, the myocytes (cardiac contractile cells) in the heart increase in size, which results in the thickening of the heart muscle. In addition, the normal alignment of muscle cells is disrupted, a phenomenon known as myocardial disarray. HCM also causes disruptions of the electrical functions of the heart. HCM is most commonly due to a mutation in one of nine sarcomeric genes that results in a mutated protein in the sarcomere, the primary component of the myocyte (the muscle cell of the heart). These are predominantly single-point missense mutations in the genes for beta-myosin heavy chain (MHC), myosin-binding protein C, cardiac troponinT, or tropomyosin. These mutations cause myofibril and myocyte structural abnormalities and possible deficiencies in force generation. Not to be confused with dilated cardiomyopathy or any other cardiomyopathy.While most literature so far focuses on European, American, and Japanese populations, HCM appears in all ethnic groups. The prevalence of HCM is about 0.2% to 0.5% of the general population.