Historical review of clinical electrocardiographic lead systems and
... according to Einthoven"s law which states that the magnitude of the deflection of lead II (where lead II by convention has a reversed polarity), then the central terminal of Wilson (which as pointed out above is the summation of the limb leads) will have a zero potential throughout the cardiac cycle ...
... according to Einthoven"s law which states that the magnitude of the deflection of lead II (where lead II by convention has a reversed polarity), then the central terminal of Wilson (which as pointed out above is the summation of the limb leads) will have a zero potential throughout the cardiac cycle ...
AHA Scientific Statement
... hronic kidney disease (CKD) is frequently encountered among patients presenting with acute coronary syndrome (ACS). Recent data from the National Cardiovascular Data Registry–Acute Coronary Treatment and Intervention Outcomes Network (NCDR-ACTION) reported CKD (defined as estimated creatinine cleara ...
... hronic kidney disease (CKD) is frequently encountered among patients presenting with acute coronary syndrome (ACS). Recent data from the National Cardiovascular Data Registry–Acute Coronary Treatment and Intervention Outcomes Network (NCDR-ACTION) reported CKD (defined as estimated creatinine cleara ...
The Effects and Safety of Exercise Training in Subjects With Chronic
... (odds ratio ¼ 0.71; 95% CI, 0.37e1.02). However, a meta-analysis by the ExTraMATCH42 collaborative group examined nine randomized studies, comprising a total of 801 subjects with a mean follow-up of 705 days, and found that exercise training reduced mortality (hazard ratio, 0.65; 95% CI, 0.46e0.92). ...
... (odds ratio ¼ 0.71; 95% CI, 0.37e1.02). However, a meta-analysis by the ExTraMATCH42 collaborative group examined nine randomized studies, comprising a total of 801 subjects with a mean follow-up of 705 days, and found that exercise training reduced mortality (hazard ratio, 0.65; 95% CI, 0.46e0.92). ...
Atrial fibrillation
... • Because the atria are beating rapidly and irregularly, blood does not flow through them as quickly. This makes the blood more likely to clot. If a clot is pumped out of the heart, it can travel to the brain, resulting in a stroke. People with atrial fibrillation are five to seven times more likel ...
... • Because the atria are beating rapidly and irregularly, blood does not flow through them as quickly. This makes the blood more likely to clot. If a clot is pumped out of the heart, it can travel to the brain, resulting in a stroke. People with atrial fibrillation are five to seven times more likel ...
the PDF - Heart Rhythm Society
... Biological, and Noninvasive Markers Background Numerous invasive and noninvasive techniques have been developed over the years to identify patients at risk for SCD.33–35 Currently, assessment of left ventricular (LV) ejection fraction is commonly used to guide primary prevention of SCD,20 but there ...
... Biological, and Noninvasive Markers Background Numerous invasive and noninvasive techniques have been developed over the years to identify patients at risk for SCD.33–35 Currently, assessment of left ventricular (LV) ejection fraction is commonly used to guide primary prevention of SCD,20 but there ...
Future Perspectives in the Pharmacological Treatment of Atrial
... in patients with heart failure [85]. Cardiac resynchronization therapy aims at the synchronization of electrical activation of the left and right sides of the heart thereby improving cardiac output [8687]. CRT therapy is now indicated in HF patients with NYHA class II to IV symptoms in spite of adeq ...
... in patients with heart failure [85]. Cardiac resynchronization therapy aims at the synchronization of electrical activation of the left and right sides of the heart thereby improving cardiac output [8687]. CRT therapy is now indicated in HF patients with NYHA class II to IV symptoms in spite of adeq ...
Single Coronary Artery from Single Sinus in Complete Transposition
... sinus origin of coronary artery. In this exceptional study, a new born baby girl of 16 day age who could not maintain her oxygen saturation, found to have complete transposition of aorta, which was associated with single sinus origin of her coronary artery which indicates that both coronary arteries ...
... sinus origin of coronary artery. In this exceptional study, a new born baby girl of 16 day age who could not maintain her oxygen saturation, found to have complete transposition of aorta, which was associated with single sinus origin of her coronary artery which indicates that both coronary arteries ...
Mitral annular calcification: a marker of severe coronary artery
... atherosclerosis.8 Later, Khoury and colleagues correlated the presence of aortic plaques and coronary artery disease.9 Boon and colleagues found an association of both mitral annular calcification and aortic valve calcification with age and vascular risk factors.10 Age, female sex, hypertension, dia ...
... atherosclerosis.8 Later, Khoury and colleagues correlated the presence of aortic plaques and coronary artery disease.9 Boon and colleagues found an association of both mitral annular calcification and aortic valve calcification with age and vascular risk factors.10 Age, female sex, hypertension, dia ...
Cost-effectiveness of implantable cardiac devices in patients with
... HRQoL treatment effect is assumed to be maintained for 5 years based on information in the CArdiac REsynchronization — Heart Failure (CARE-HF) trial,19 and then to decline to 0 by 10 years. Throughout the model, a decline in HRQoL is applied to reflect ageing, estimated using UK general population da ...
... HRQoL treatment effect is assumed to be maintained for 5 years based on information in the CArdiac REsynchronization — Heart Failure (CARE-HF) trial,19 and then to decline to 0 by 10 years. Throughout the model, a decline in HRQoL is applied to reflect ageing, estimated using UK general population da ...
Losartan Mylan film-coated tablet ENG SmPC
... and/or tongue) should be closely monitored (See section 4.8). Hypotension and electrolyte/fluid imbalance Symptomatic hypotension, especially after the first dose and after increasing of the dose, may occur in patients who are volume- and/or sodium-depleted by vigorous diuretic therapy, dietary salt ...
... and/or tongue) should be closely monitored (See section 4.8). Hypotension and electrolyte/fluid imbalance Symptomatic hypotension, especially after the first dose and after increasing of the dose, may occur in patients who are volume- and/or sodium-depleted by vigorous diuretic therapy, dietary salt ...
Accuracy and precision of echocardiography versus right heart
... similar to those previously reported by invasive studies [3,4,6–8]. Furthermore, Doppler echocardiography of the pulmonary circulation and the right heart has been repeatedly shown to be of prognostic relevance in patients with pulmonary hypertension, and useful for the screening of patients at risk ...
... similar to those previously reported by invasive studies [3,4,6–8]. Furthermore, Doppler echocardiography of the pulmonary circulation and the right heart has been repeatedly shown to be of prognostic relevance in patients with pulmonary hypertension, and useful for the screening of patients at risk ...
NIH Public Access
... on the date on which the prescription was filled. These criteria were formulated to exclude persons at high risk for death from causes unrelated to a shortterm effect of proarrhythmic medication (Tables 1 and 2 in the Supplementary Appendix, available with the full text of this article at NEJM.org). ...
... on the date on which the prescription was filled. These criteria were formulated to exclude persons at high risk for death from causes unrelated to a shortterm effect of proarrhythmic medication (Tables 1 and 2 in the Supplementary Appendix, available with the full text of this article at NEJM.org). ...
The outcomes of operations for 539 patients with Ebstein anomaly
... Mayo Clinic, 182 patients had tricuspid valve repair, and 337 had tricuspid valve replacement. The 30-day mortality was 5.9% for the entire cohort (2.7% after 2001). Late survival was 84.7% at 10 years and 71.2% at 20 years. In a multivariate analysis of overall mortality for the patients’ first ope ...
... Mayo Clinic, 182 patients had tricuspid valve repair, and 337 had tricuspid valve replacement. The 30-day mortality was 5.9% for the entire cohort (2.7% after 2001). Late survival was 84.7% at 10 years and 71.2% at 20 years. In a multivariate analysis of overall mortality for the patients’ first ope ...
Atrial Fibrillation: Diagnosis and Treatment
... Atrial fibrillation is the most common cardiac arrhythmia. It impairs cardiac function and increases the risk of stroke. The incidence of atrial fibrillation increases with age. Key treatment issues include deciding when to restore normal sinus rhythm, when to control rate only, and how to prevent t ...
... Atrial fibrillation is the most common cardiac arrhythmia. It impairs cardiac function and increases the risk of stroke. The incidence of atrial fibrillation increases with age. Key treatment issues include deciding when to restore normal sinus rhythm, when to control rate only, and how to prevent t ...
Hypertension and arrhythmia: blood pressure control
... pressure, ventricular and supraventricular arrhythmias, relevant non-invasive cardiac parameters for risk assessment in hypertensive patients and the effects of blood pressure control. ...
... pressure, ventricular and supraventricular arrhythmias, relevant non-invasive cardiac parameters for risk assessment in hypertensive patients and the effects of blood pressure control. ...
High diagnostic accuracy of NT-proBNP for cardiac origin of pleural effusions
... ABSTRACT: A prospective study was performed to evaluate the diagnostic accuracy of Nterminal-pro-B-type natriuretic peptide (NT-proBNP) levels, measured simultaneously in serum and pleural fluid, in identifying pleural effusions due to heart failure. Pleural fluid and serum samples from all patients ...
... ABSTRACT: A prospective study was performed to evaluate the diagnostic accuracy of Nterminal-pro-B-type natriuretic peptide (NT-proBNP) levels, measured simultaneously in serum and pleural fluid, in identifying pleural effusions due to heart failure. Pleural fluid and serum samples from all patients ...
Race and Sex Differences in QRS Interval and Associated Outcome
... LVEF was not available at the time of the index catheterization, LVEF data were obtained from the closest source within 3 months preceding and 1 month following the index catheterization. The sources of additional LVEF data included nuclear imaging, magnetic resonance imaging, or left ventriculograp ...
... LVEF was not available at the time of the index catheterization, LVEF data were obtained from the closest source within 3 months preceding and 1 month following the index catheterization. The sources of additional LVEF data included nuclear imaging, magnetic resonance imaging, or left ventriculograp ...
Intermittent hypoxia and sleep-disordered breathing: current concepts and perspectives
... stress with deleterious consequences. In OSA, a reduction in nitric oxide availability has been demonstrated, as well as an increase in levels of its derivatives [27, 28], although this has not always been confirmed [29]. It is viewed as being an important determinant of the endothelial dysfunction ...
... stress with deleterious consequences. In OSA, a reduction in nitric oxide availability has been demonstrated, as well as an increase in levels of its derivatives [27, 28], although this has not always been confirmed [29]. It is viewed as being an important determinant of the endothelial dysfunction ...
ECHOCARDIOGRAPHY ASSESSMENT OF SYSTOLIC FUNCTION
... are no longer recommended; however, using 2D echocardiography with modified Simpson’s rule with biplane planimetry of LV is currently recommended [16]. In everyday clinical practice the “eyeball” estimation of EF is often performed and experienced physicians get results comparable to those obtained ...
... are no longer recommended; however, using 2D echocardiography with modified Simpson’s rule with biplane planimetry of LV is currently recommended [16]. In everyday clinical practice the “eyeball” estimation of EF is often performed and experienced physicians get results comparable to those obtained ...
Application of mechanical circulatory support in
... the end of heart surgery; for case 2, the emergency cannulation was given at the bedside through right common carotid artery and right internal jugular venous cannulation to establish ECMO. Provided that the cannula models and size are selected appropriately, ECMO can be established quickly in the t ...
... the end of heart surgery; for case 2, the emergency cannulation was given at the bedside through right common carotid artery and right internal jugular venous cannulation to establish ECMO. Provided that the cannula models and size are selected appropriately, ECMO can be established quickly in the t ...
Carvedilol vs metoprolol succinate wide qrs syndrome
... patients with diastolic heart failure vs those with systolic heart failure.Apr 4, 2011 . Heart failure (HF) is a complex clinical syndrome caused by structural or. .. metoprolol succinate (β1 receptor selective blockers), and carvedilol (which. . LVEF of 30% or less, and wide QRS intervals (≥130 ms) ...
... patients with diastolic heart failure vs those with systolic heart failure.Apr 4, 2011 . Heart failure (HF) is a complex clinical syndrome caused by structural or. .. metoprolol succinate (β1 receptor selective blockers), and carvedilol (which. . LVEF of 30% or less, and wide QRS intervals (≥130 ms) ...
Cost-effectiveness of implantable cardiac devices in - Heart
... informing NICE decisions, have been based on data or populations from single clinical trials. These analyses do not, therefore, reflect the totality of randomised controlled trial evidence available, and have only limited information with which to explore the potential for cost-effectiveness (and dec ...
... informing NICE decisions, have been based on data or populations from single clinical trials. These analyses do not, therefore, reflect the totality of randomised controlled trial evidence available, and have only limited information with which to explore the potential for cost-effectiveness (and dec ...
Exercise and physical activity in relation to kinesiophobia
... secondary prevention and cardiac rehabilitation are seen from a physiotherapeutic perspective and physical activity and exercise therefore run like common threads. However, it is also important to highlight the fact that cardiac rehabilitation is comprehensive and refers to coordinated, multifaceted ...
... secondary prevention and cardiac rehabilitation are seen from a physiotherapeutic perspective and physical activity and exercise therefore run like common threads. However, it is also important to highlight the fact that cardiac rehabilitation is comprehensive and refers to coordinated, multifaceted ...
ST segment Elevation Myocardial Infarction (STEMI) with Brugada
... with a Common Genetic Variant. Heart Rhythm, In press). Here, a polymorphism in HERG (K897T) or LQTS mutations appear to synergize the electrical remodeling process that occurs following ischemia or MI. Whether a similar interaction occurs between the post-ischemic electrical remodeling and the gene ...
... with a Common Genetic Variant. Heart Rhythm, In press). Here, a polymorphism in HERG (K897T) or LQTS mutations appear to synergize the electrical remodeling process that occurs following ischemia or MI. Whether a similar interaction occurs between the post-ischemic electrical remodeling and the gene ...
Role of PET/ CT for the Identification of Cardiac Sarcoid Disease
... dle-aged adults（11,12） . Such middle-aged patients ...
... dle-aged adults（11,12） . Such middle-aged patients ...