The Role of Adrenal Medullary Catecholamines in
... Diuretic therapy Several large studies have demonstrated that antihypertensive therapy reduced the incidence of cerebrovascular accidents but have failed to show any corresponding benefit in coronary heart disease [59-611. In the recent MR FIT TRIAL [62], hypertensive men with initial ECG abnormalit ...
... Diuretic therapy Several large studies have demonstrated that antihypertensive therapy reduced the incidence of cerebrovascular accidents but have failed to show any corresponding benefit in coronary heart disease [59-611. In the recent MR FIT TRIAL [62], hypertensive men with initial ECG abnormalit ...
Prognostic Significance of PVCs and resting heart rate, 2007
... alone cannot explain the different heart rates because regression analysis showed that resting heart rate did not change significantly with age (slope of less than 1 bpm per decade). When multiple regression analysis was performed to evaluate predictors of heart rate, age did not demonstrate a stati ...
... alone cannot explain the different heart rates because regression analysis showed that resting heart rate did not change significantly with age (slope of less than 1 bpm per decade). When multiple regression analysis was performed to evaluate predictors of heart rate, age did not demonstrate a stati ...
Saccular aneurysms of left ventricle
... bility is that a small area of congenitally defective myocardium may have bulged out as a consequence of the abnormally high left ventricular systolic pressure, and one similar example of a congenital diverticulum extending from the apex of the ventricle was described by Skapinker (i95I). The very l ...
... bility is that a small area of congenitally defective myocardium may have bulged out as a consequence of the abnormally high left ventricular systolic pressure, and one similar example of a congenital diverticulum extending from the apex of the ventricle was described by Skapinker (i95I). The very l ...
Clinical and echocardiogram profile of Cardiomyopathy at tertiary
... Background: Cardiomyopathies represent a heterogeneous group of diseases that often lead to progressive heart failure with significant morbidity and mortality. The improved recognition or of other factor, the incidence and prevalence of heart failure due to cardiomyopathy appears to be increasing. A ...
... Background: Cardiomyopathies represent a heterogeneous group of diseases that often lead to progressive heart failure with significant morbidity and mortality. The improved recognition or of other factor, the incidence and prevalence of heart failure due to cardiomyopathy appears to be increasing. A ...
Influence of Ejection Fraction on the Prognostic Value of
... left ventricular ejection fraction (LVEF) (1,2). When ⬍45%, LVEF is a powerful predictor of adverse events in patients with HF (3). However, few measures are available to risk-stratify HF patients with a normal or mildly reduced LVEF. In particular, although subjects with HF and an LVEF ⬎35% are at ...
... left ventricular ejection fraction (LVEF) (1,2). When ⬍45%, LVEF is a powerful predictor of adverse events in patients with HF (3). However, few measures are available to risk-stratify HF patients with a normal or mildly reduced LVEF. In particular, although subjects with HF and an LVEF ⬎35% are at ...
How to differentiate athlete`s heart from pathological
... athletes, as a result of cardiac adaptation to long-term training, or pathological in different conditions, such as chronic pressure overload (e.g. systemic hypertension, aortic stenosis), volume overload (e.g. aortic regurgitation), or myocardial disease (e.g. hypertrophic cardiomyopathy). Distinct ...
... athletes, as a result of cardiac adaptation to long-term training, or pathological in different conditions, such as chronic pressure overload (e.g. systemic hypertension, aortic stenosis), volume overload (e.g. aortic regurgitation), or myocardial disease (e.g. hypertrophic cardiomyopathy). Distinct ...
2011 ACCF/AHA Guideline for Coronary Artery Bypass Graft Surgery:
... write guidelines in partnership with representatives from other medical organizations and specialty groups. Writing committees are asked to perform a formal literature review; weigh the strength of evidence for or against particular tests, treatments, or procedures; and include estimates of expected ...
... write guidelines in partnership with representatives from other medical organizations and specialty groups. Writing committees are asked to perform a formal literature review; weigh the strength of evidence for or against particular tests, treatments, or procedures; and include estimates of expected ...
Multimodality Imaging Strategies for the Assessment of Aortic Stenosis
... mean gradient (40 mm Hg) proposed in the guidelines to identify severe AS.15 Indeed, an AVA of 1.0 cm2 corresponds to a mean gradient of 30 to 35 mm Hg rather than 40 mm Hg in a patient with NF rate, and as a consequence, several patients with moderate-to-severe AS might have discordant AVA-gradient ...
... mean gradient (40 mm Hg) proposed in the guidelines to identify severe AS.15 Indeed, an AVA of 1.0 cm2 corresponds to a mean gradient of 30 to 35 mm Hg rather than 40 mm Hg in a patient with NF rate, and as a consequence, several patients with moderate-to-severe AS might have discordant AVA-gradient ...
Electrocardiographic And Vectorcardiographic Criteria
... myocardium supplied by narrowed arteries without infarction if dilatation and hypertrophy of the left ventricle are present.28 Chronic ischemia could be a factor in the wall motion abnormalities in some of our patients;29 however, the clinical documentation of an infarction makes this the most proba ...
... myocardium supplied by narrowed arteries without infarction if dilatation and hypertrophy of the left ventricle are present.28 Chronic ischemia could be a factor in the wall motion abnormalities in some of our patients;29 however, the clinical documentation of an infarction makes this the most proba ...
PDF Article
... in this study (from 48 children or adult s with hypertrophic cardiomyopath y, 8 infants with hypertrophic cardiomyopathy and 68 control subjects) was fixed in formalin . Tissue blocks were taken from the full thickness of the ventricular wall in a plane perpendicular to the long axis of the left ven ...
... in this study (from 48 children or adult s with hypertrophic cardiomyopath y, 8 infants with hypertrophic cardiomyopathy and 68 control subjects) was fixed in formalin . Tissue blocks were taken from the full thickness of the ventricular wall in a plane perpendicular to the long axis of the left ven ...
2017 AHA/ACC Focused Update of the 2014 AHA/ACC Guideline
... When developing recommendations, the writing committee uses evidence-based methodologies that are based on all available data (4-7). Literature searches focus on randomized controlled trials (RCTs) but also include registries, nonrandomized comparative and descriptive studies, case series, cohort st ...
... When developing recommendations, the writing committee uses evidence-based methodologies that are based on all available data (4-7). Literature searches focus on randomized controlled trials (RCTs) but also include registries, nonrandomized comparative and descriptive studies, case series, cohort st ...
Systolic time intervals as simple
... electrocardiogram, and an external carotid pulse,5 – 12 can be measured by echocardiography.13 This approach is likely to be of benefit for several practical and clinical applications, such as LV function evaluation under difficult conditions. Moreover, this method could help to optimize different t ...
... electrocardiogram, and an external carotid pulse,5 – 12 can be measured by echocardiography.13 This approach is likely to be of benefit for several practical and clinical applications, such as LV function evaluation under difficult conditions. Moreover, this method could help to optimize different t ...
Effect of Altitude on the Heart and the Lungs
... Peripheral chemoreceptor afferent activity rises hyperbolically as hypoxia increases.4 Ventilation and sympathetic activity are augmented, as demonstrated by increased urinary and plasma concentration of catecholamines5 and skeletal muscle sympathetic activity.6 With exposure over days to weeks, the ...
... Peripheral chemoreceptor afferent activity rises hyperbolically as hypoxia increases.4 Ventilation and sympathetic activity are augmented, as demonstrated by increased urinary and plasma concentration of catecholamines5 and skeletal muscle sympathetic activity.6 With exposure over days to weeks, the ...
Acute Myocardial Infarction: Serial Cardiac MR Imaging Shows a
... extracellular contrast agents is generally owing to an increased distribution volume for these molecules within the infarct region, which is associated with a delayed washout as compared with healthy myocardium (6,8). In chronic myocardial infarction, delayed gadolinium enhancement is closely relate ...
... extracellular contrast agents is generally owing to an increased distribution volume for these molecules within the infarct region, which is associated with a delayed washout as compared with healthy myocardium (6,8). In chronic myocardial infarction, delayed gadolinium enhancement is closely relate ...
My title - rmib.somib.org.mx
... larger CD values than males, and participants with abnormal ECG had smaller values than those with normal ECG. There were no significant differences of CD values with respect to the time periods. HRV is an output signal from a complex nonlinear control system ($i.e.$, the cardiovascular system), whi ...
... larger CD values than males, and participants with abnormal ECG had smaller values than those with normal ECG. There were no significant differences of CD values with respect to the time periods. HRV is an output signal from a complex nonlinear control system ($i.e.$, the cardiovascular system), whi ...
Revo MRI™ Pacing System
... system consisting of a SureScan device and two SureScan leads; patients who have previously implanted devices, or broken or intermittent leads; or patients who have a lead impedance value of < 200 Ω or > 1,500 Ω. Do not scan patients with a SureScan pacing system implanted in sites other than the le ...
... system consisting of a SureScan device and two SureScan leads; patients who have previously implanted devices, or broken or intermittent leads; or patients who have a lead impedance value of < 200 Ω or > 1,500 Ω. Do not scan patients with a SureScan pacing system implanted in sites other than the le ...
EXPERIMENTAL & CLINICAL CARDIOLOGY
... long-term physical training [1]. It is characterized by an increase of left ventricular mass (up to 40%), left ventricular wall thickening (up to 20%) and enlargement of left ventricular cavity (up to 20%) [2]. Hypertrophic cardiomyopathy is an autozomal dominat genetic disease characterized by myoc ...
... long-term physical training [1]. It is characterized by an increase of left ventricular mass (up to 40%), left ventricular wall thickening (up to 20%) and enlargement of left ventricular cavity (up to 20%) [2]. Hypertrophic cardiomyopathy is an autozomal dominat genetic disease characterized by myoc ...
Failure of Glycogen Depletion to Improve Left Ventricular Function of
... lactate buildup and improves functional recovery on reperfusion in the isolated rabbit heart. Cardiac glycogen was reduced either by substituting N2 for O2 in the perfusate or by perfusion with substrate-free solution, before the onset of ischemia. Hearts were subjected to either 30 minutes of normo ...
... lactate buildup and improves functional recovery on reperfusion in the isolated rabbit heart. Cardiac glycogen was reduced either by substituting N2 for O2 in the perfusate or by perfusion with substrate-free solution, before the onset of ischemia. Hearts were subjected to either 30 minutes of normo ...
A practical approach to torsade de pointes
... pointes are self-limited (and associated either with no symptoms or with syncope), although occasional episodes degenerating to ventricular fibrillation can occur. Presumably it is this transition to ventricular fibrillation that accounts for deaths in patients with congenital long QT syndrome as we ...
... pointes are self-limited (and associated either with no symptoms or with syncope), although occasional episodes degenerating to ventricular fibrillation can occur. Presumably it is this transition to ventricular fibrillation that accounts for deaths in patients with congenital long QT syndrome as we ...
2011 ACCF/AHA Guideline for Coronary Artery Bypass Graft Surgery
... write guidelines in partnership with representatives from other medical organizations and specialty groups. Writing committees are asked to perform a formal literature review; weigh the strength of evidence for or against particular tests, treatments, or procedures; and include estimates of expected ...
... write guidelines in partnership with representatives from other medical organizations and specialty groups. Writing committees are asked to perform a formal literature review; weigh the strength of evidence for or against particular tests, treatments, or procedures; and include estimates of expected ...
Surgical Ablation of Atrial Fibrillation during Mitral
... trial fibrillation, which is associated with reduced survival and increased risk of stroke, is present in 30 to 50% of patients presenting for mitral-valve surgery.1,2 The development of open surgical procedures for the ablation of atrial fibrillation has led to their widespread application during c ...
... trial fibrillation, which is associated with reduced survival and increased risk of stroke, is present in 30 to 50% of patients presenting for mitral-valve surgery.1,2 The development of open surgical procedures for the ablation of atrial fibrillation has led to their widespread application during c ...
Diastolic Dysfunction
... The bottom portion of the instantaneous pressurevolume loop (Fig. 2B, arrows) is sometimes used to quantify passive ventricular properties (8,24), but it is important to note that this is distinctly different from the true EDPVR. In particular, at high filling pressures such as may exist in the hear ...
... The bottom portion of the instantaneous pressurevolume loop (Fig. 2B, arrows) is sometimes used to quantify passive ventricular properties (8,24), but it is important to note that this is distinctly different from the true EDPVR. In particular, at high filling pressures such as may exist in the hear ...
Cardiac Arrhythmias (Part 2)
... heart, the irregularity of the cycle length, associated drug therapy, the peripheral vascular vasomotor system, disease in organ systems other than the heart, and the degree of anxiety caused by the disease processes. Sinus bradyeardia, even with rates as low as 40 beats/min, may not be associated w ...
... heart, the irregularity of the cycle length, associated drug therapy, the peripheral vascular vasomotor system, disease in organ systems other than the heart, and the degree of anxiety caused by the disease processes. Sinus bradyeardia, even with rates as low as 40 beats/min, may not be associated w ...
Venous Stenosis After Transvenous Lead Placement: A Study of
... endothelial trauma during the procedure. This would explain why anticoagulant or antiplatelet administration does not alter the clinical course. Supporting this hypothesis is the finding of an increased risk of venous stenosis in patients who had multiple implant procedures. Multiple entries into the ...
... endothelial trauma during the procedure. This would explain why anticoagulant or antiplatelet administration does not alter the clinical course. Supporting this hypothesis is the finding of an increased risk of venous stenosis in patients who had multiple implant procedures. Multiple entries into the ...