Rate Control vs Rhythm Control in Patients With
... marked vascular pathology requiring surgical intervention); history of hemorrhagic stroke; ischemic stroke during the 3 months preceding entrance into the trial; any mitral stenosis or other valvular disease suitable for surgical treatment; R-R intervals exceeding 3 s; ventricular response to AF of ...
... marked vascular pathology requiring surgical intervention); history of hemorrhagic stroke; ischemic stroke during the 3 months preceding entrance into the trial; any mitral stenosis or other valvular disease suitable for surgical treatment; R-R intervals exceeding 3 s; ventricular response to AF of ...
New Targets to Treat the Structural Remodeling of the
... same impact among different HF etiologies and in the different stages of evolution? If inflammation pathways are redundant in HF, theoretically it is not sensible to focus intervention on individual cytokines rather than on the cytokine network. Therefore, much work is needed to clarify the physiolo ...
... same impact among different HF etiologies and in the different stages of evolution? If inflammation pathways are redundant in HF, theoretically it is not sensible to focus intervention on individual cytokines rather than on the cytokine network. Therefore, much work is needed to clarify the physiolo ...
Heart to Heart
... factors for coronary heart disease and cerebrovascular disease, such as stroke. Hypertension usually occurs without any symptoms. Hypertension, left untreated over the long term, can lead to damage of the heart and blood vessels leading to stroke or heart attack. When your blood pressure is extremel ...
... factors for coronary heart disease and cerebrovascular disease, such as stroke. Hypertension usually occurs without any symptoms. Hypertension, left untreated over the long term, can lead to damage of the heart and blood vessels leading to stroke or heart attack. When your blood pressure is extremel ...
Prevalence and characteristics of ectopic atrial tachycardia
... The prevalence of IST in a random sample of 604 middle-aged subjects was 1.16%. The systolic and diastolic ambulatory blood pressures were higher among the subjects with IST than subjects with SR (P < 0.001). The other laboratory, echocardiographic and personality measurements, with the exception of ...
... The prevalence of IST in a random sample of 604 middle-aged subjects was 1.16%. The systolic and diastolic ambulatory blood pressures were higher among the subjects with IST than subjects with SR (P < 0.001). The other laboratory, echocardiographic and personality measurements, with the exception of ...
082301 prognostic Importance of Elevated Jugular Venous
... with an increased risk of hospitalization for heart failure (relative risk, 1.32; 95 percent confidence interval, 1.08 to 1.62; P<0.01), death or hospitalization for heart failure (relative risk, 1.30; 95 percent confidence interval, 1.11 to 1.53; P<0.005), and death from pump failure (relative risk ...
... with an increased risk of hospitalization for heart failure (relative risk, 1.32; 95 percent confidence interval, 1.08 to 1.62; P<0.01), death or hospitalization for heart failure (relative risk, 1.30; 95 percent confidence interval, 1.11 to 1.53; P<0.005), and death from pump failure (relative risk ...
Left Heart Failure With a Normal Ejection Fraction: Identification of
... Journal of Cardiac Failure Vol. 11 No. 3 April 2005 ...
... Journal of Cardiac Failure Vol. 11 No. 3 April 2005 ...
The Only EKG Book You`ll Ever Need, 5th Edition
... transmission by the conducting sy stem are generally not seen on the EKG; these ev ents simply do not generate sufficient v oltage to be recorded by surface electrodes. The wav es produced by my ocardial depolarization and repolarization are recorded on EKG paper and, lik e any ty pe of wav e, have ...
... transmission by the conducting sy stem are generally not seen on the EKG; these ev ents simply do not generate sufficient v oltage to be recorded by surface electrodes. The wav es produced by my ocardial depolarization and repolarization are recorded on EKG paper and, lik e any ty pe of wav e, have ...
Current Perceptions of the Epidemiology of Atrial Fibrillation
... to 1%, increasing with advancing age.3,4 AF is uncommon before 60 years of age, but its prevalence increases markedly thereafter, afflicting approximately 10% of the population by 80 years of age.4 Approximately one third of all patients who have AF are aged 80 years or older, and it is estimated th ...
... to 1%, increasing with advancing age.3,4 AF is uncommon before 60 years of age, but its prevalence increases markedly thereafter, afflicting approximately 10% of the population by 80 years of age.4 Approximately one third of all patients who have AF are aged 80 years or older, and it is estimated th ...
Device-Based Therapy of Cardiac Rhythm Abnormalities
... patients in sinus rhythm, with documented periods of asystole greater than or equal to 3.0 seconds or any escape rate less than 40 bpm, or with an escape rhythm that is below the AV node. (LOE: C) n Third-degree ...
... patients in sinus rhythm, with documented periods of asystole greater than or equal to 3.0 seconds or any escape rate less than 40 bpm, or with an escape rhythm that is below the AV node. (LOE: C) n Third-degree ...
Exercise 31 ECGHeartsounds
... The ability of the cardiac muscle to contract is intrinsic, e.g. it does not depend on the nervous system to initiate its contraction, and it continues even if all connections are severed. Two systems exert their effects on heart activity: one is the autonomic nervous system, and the other is the in ...
... The ability of the cardiac muscle to contract is intrinsic, e.g. it does not depend on the nervous system to initiate its contraction, and it continues even if all connections are severed. Two systems exert their effects on heart activity: one is the autonomic nervous system, and the other is the in ...
Three-dimensional alignment of the aggregated myocytes in the
... experimental groups. Immediately prior to euthenasia, fractional shortening was obtained in conscious mice from transthoracic echocardiograms (Acuson, Sonoma Health Products. Imaging was performed by M-mode at the midventricular level. LV, left ventricle. *P value ⬍0.05 was considered significant. ...
... experimental groups. Immediately prior to euthenasia, fractional shortening was obtained in conscious mice from transthoracic echocardiograms (Acuson, Sonoma Health Products. Imaging was performed by M-mode at the midventricular level. LV, left ventricle. *P value ⬍0.05 was considered significant. ...
View PDF - CiteSeerX
... Gray et al., 1995; Garfinkel and Qu, 1999). Sudden cardiac death during ventricular fibrillation (VF) results in compromised mechanical pump function of the heart. Cardiac contraction is initiated by electrical depolarisation, but turbulent patterns of excitation during VF result in desynchronised car ...
... Gray et al., 1995; Garfinkel and Qu, 1999). Sudden cardiac death during ventricular fibrillation (VF) results in compromised mechanical pump function of the heart. Cardiac contraction is initiated by electrical depolarisation, but turbulent patterns of excitation during VF result in desynchronised car ...
Provocation of sudden heart rate oscillation with adenosine exposes
... rhythm. Adenosine was injected at incremental doses until atrioventricular block or sinus pauses lasting 3 s occurred. The QT duration and morphology were studied at baseline and at the time of maximal bradycardia and subsequent tachycardia. Despite similar degree of adenosine-induced bradycardia (l ...
... rhythm. Adenosine was injected at incremental doses until atrioventricular block or sinus pauses lasting 3 s occurred. The QT duration and morphology were studied at baseline and at the time of maximal bradycardia and subsequent tachycardia. Despite similar degree of adenosine-induced bradycardia (l ...
Which Is The Appropriate Arrhythmia Burden To Offer RF
... 12-lead ECGs in a large healthy military population, with a much lower incidence seen in younger patients below the age of 20 (4.6%) compared to those older than 50 years of age (21.7%).2 In another study published by Hinkle et al., the incidence of asymptomatic ventricular arrhythmias was 62% in a ...
... 12-lead ECGs in a large healthy military population, with a much lower incidence seen in younger patients below the age of 20 (4.6%) compared to those older than 50 years of age (21.7%).2 In another study published by Hinkle et al., the incidence of asymptomatic ventricular arrhythmias was 62% in a ...
Assessment of diastolic dysfunction and heart failure with integrated
... Diastolic dysfunction and diastolic heart failure In population based studies the prevalence of heart failure is 2-3%, but in the elderly it can reach the 20%, out of whom approximately 50% have diastolic heart failure with a similar prognosis (DHF). Similar studies have shown that the prevalence of ...
... Diastolic dysfunction and diastolic heart failure In population based studies the prevalence of heart failure is 2-3%, but in the elderly it can reach the 20%, out of whom approximately 50% have diastolic heart failure with a similar prognosis (DHF). Similar studies have shown that the prevalence of ...
Role of miRNAs in cardiac fibrosis
... decreasing the expression of the mRNAs controlled by that miR [26][23]. Even though miR based therapies are promising for the treatment of heart failure, there are limitations to overcome before these promising therapies can be safely and successfully applied in patients. miRs have a broad spectrum ...
... decreasing the expression of the mRNAs controlled by that miR [26][23]. Even though miR based therapies are promising for the treatment of heart failure, there are limitations to overcome before these promising therapies can be safely and successfully applied in patients. miRs have a broad spectrum ...
Why, where, and when do cardiac myocytes express - AJP
... Ca2⫹ channels (VOCs), thereby causing a brief influx of Ca2⫹. The Ca2⫹ influx is sensed and amplified by Ca2⫹ release channels known as ryanodine receptors (RyRs), which are expressed on the sarcoplasmic reticulum (SR) in close apposition to the VOCs. The RyRs are activated by the Ca2⫹ permeating ac ...
... Ca2⫹ channels (VOCs), thereby causing a brief influx of Ca2⫹. The Ca2⫹ influx is sensed and amplified by Ca2⫹ release channels known as ryanodine receptors (RyRs), which are expressed on the sarcoplasmic reticulum (SR) in close apposition to the VOCs. The RyRs are activated by the Ca2⫹ permeating ac ...
Duration of the Phases of Left Ventricular Systole
... the duration of the phases of systole. He demonstrated in the frog heart that augmentation of filling prolonged ejection, shortened the strain (isovolumie) phase, and delayed aortic valve closure. These results were later confirmed by Peserico10 in the turtle heart, hy Katz2 in the isolated dog hear ...
... the duration of the phases of systole. He demonstrated in the frog heart that augmentation of filling prolonged ejection, shortened the strain (isovolumie) phase, and delayed aortic valve closure. These results were later confirmed by Peserico10 in the turtle heart, hy Katz2 in the isolated dog hear ...
Assessment of Left Ventricular Mass by Cardiovascular Magnetic
... Study, among others, showed that increased left ventricular (LV) mass is associated with a significant excess of cardiovascular mortality and morbidity.1 This is independent of the presence of coronary artery disease2 or hypertension,1 with a tripling of the mortality rate in subjects with1–3 and wi ...
... Study, among others, showed that increased left ventricular (LV) mass is associated with a significant excess of cardiovascular mortality and morbidity.1 This is independent of the presence of coronary artery disease2 or hypertension,1 with a tripling of the mortality rate in subjects with1–3 and wi ...
The effect of baroreceptor activity on cardiovascular regulation
... cardiovascular system. Patients usually expire in a manometer, achieving in this way stable pressure (e.g. 40 mmHg) for 10-15 sec. The fourth stage of the procedure, where there is an AP increase and a reduction of the heart rate, can be used for BRS calculation46. Aside from the baroreceptors stimu ...
... cardiovascular system. Patients usually expire in a manometer, achieving in this way stable pressure (e.g. 40 mmHg) for 10-15 sec. The fourth stage of the procedure, where there is an AP increase and a reduction of the heart rate, can be used for BRS calculation46. Aside from the baroreceptors stimu ...
Avoiding Untimely Implantable Cardioverter/Defibrillator
... Clinical workup and decision tree are shown in Figure 1. Patient characteristics were obtained at baseline. Reevaluation visits were scheduled for each patient 3 months after diagnosis. Only patients with complete data sets were analyzed. At each visit, echocardiograms were performed using standard ...
... Clinical workup and decision tree are shown in Figure 1. Patient characteristics were obtained at baseline. Reevaluation visits were scheduled for each patient 3 months after diagnosis. Only patients with complete data sets were analyzed. At each visit, echocardiograms were performed using standard ...
2016 Annual Report: Pediatric Cardiology
... Collaborative studies within the Department of Pediatrics include protocols to evaluate stroke, migraine, and complications of sickle cell disease and childhood cancer. Ongoing areas of research interest include epidemiologic studies of congenital heart disease, particularly within the state of Texa ...
... Collaborative studies within the Department of Pediatrics include protocols to evaluate stroke, migraine, and complications of sickle cell disease and childhood cancer. Ongoing areas of research interest include epidemiologic studies of congenital heart disease, particularly within the state of Texa ...
Acidosis slows electrical conduction through the atrio
... studied using optical mapping. Hearts excised were loaded with RH237 as described above. The isolated right atrial preparation was prepared as described above and mounted in a custommade chamber to allow superfusion with Tyrode’s solution and simultaneous recording of surface electrograms and optica ...
... studied using optical mapping. Hearts excised were loaded with RH237 as described above. The isolated right atrial preparation was prepared as described above and mounted in a custommade chamber to allow superfusion with Tyrode’s solution and simultaneous recording of surface electrograms and optica ...