Sunao Tawara: Discoverer of the atrioventricular conduction system
... and the neurogenic theory [1–4]. The discovery by Sunao Tawara of the atrioventricular (AV) conduction system, reported in a monograph in German in 1906, not only solved the problem of the mechanism for a synchronous contraction of four cardiac chambers, but also gave Einthoven and other electrocard ...
... and the neurogenic theory [1–4]. The discovery by Sunao Tawara of the atrioventricular (AV) conduction system, reported in a monograph in German in 1906, not only solved the problem of the mechanism for a synchronous contraction of four cardiac chambers, but also gave Einthoven and other electrocard ...
The Role of BNP in Atrial Fibrillation
... (81%) were men, the average age at enrolment was 54 years, and the average age at first diagnosis was 45 years. The demographics of the study group thus closely mirrors that of the much larger groups involved in our own LAF surveys and, once again, puts “paid” to the still widely held notion that af ...
... (81%) were men, the average age at enrolment was 54 years, and the average age at first diagnosis was 45 years. The demographics of the study group thus closely mirrors that of the much larger groups involved in our own LAF surveys and, once again, puts “paid” to the still widely held notion that af ...
Morning Hypertension: A Pitfall of Current Hypertensive Management
... JMS ABPM study, we reported that morning BP surge is associated with silent cerebral infarcts and represents a risk for cerebrovascular disorders.4 In this study, both early morning BP levels and morning BP surge were important as risk factors for stroke. In regard to the relationship with hypertens ...
... JMS ABPM study, we reported that morning BP surge is associated with silent cerebral infarcts and represents a risk for cerebrovascular disorders.4 In this study, both early morning BP levels and morning BP surge were important as risk factors for stroke. In regard to the relationship with hypertens ...
Tetralogy of Fallot | SpringerLink
... The aetiology is multifactorial, but reported associations include untreated maternal diabetes, phenylketonuria, and intake of retinoic acid. Associated chromosomal anomalies can include trisomies 21, 18, and 13, but recent experience points to the much more frequent association of microdeletions of ...
... The aetiology is multifactorial, but reported associations include untreated maternal diabetes, phenylketonuria, and intake of retinoic acid. Associated chromosomal anomalies can include trisomies 21, 18, and 13, but recent experience points to the much more frequent association of microdeletions of ...
Estimating coupling directions in the cardiorespiratory system using
... supine position. In contrast to that, the connection between heart rate and systolic blood pressure dominates the upright position. In all these approaches, the considered data have been on a beatto-beat basis. There are only a few works that use continuous signals [18,19]. The most important differ ...
... supine position. In contrast to that, the connection between heart rate and systolic blood pressure dominates the upright position. In all these approaches, the considered data have been on a beatto-beat basis. There are only a few works that use continuous signals [18,19]. The most important differ ...
EuroEcho-Imaging 2013, Istanbul, Final Programme
... Association of Cardiovascular Imaging (EACVI). The aim of EuroEcho-Imaging 2013 is to create an exciting forum for both clinicians and scientists to present and discuss the most up-to-date research and clinical findings on the broad spectrum of echocardiography and other cardiovascular imaging modal ...
... Association of Cardiovascular Imaging (EACVI). The aim of EuroEcho-Imaging 2013 is to create an exciting forum for both clinicians and scientists to present and discuss the most up-to-date research and clinical findings on the broad spectrum of echocardiography and other cardiovascular imaging modal ...
Dr Dhiraj Gupta
... I have earned repute for my expertise in treating patients suffering from Atrial Fibrillation (AF), and I work closely with the British Heart Foundation to provide education and training to their staff nationally. I am also member of the Medical Advisory Committee of the national charity, AF Associa ...
... I have earned repute for my expertise in treating patients suffering from Atrial Fibrillation (AF), and I work closely with the British Heart Foundation to provide education and training to their staff nationally. I am also member of the Medical Advisory Committee of the national charity, AF Associa ...
Lyme Carditis—Diagnosis, Treatment and Prognosis
... negative serology does not rule out early infection. In contrast, in late-stage Lyme disease elevated IgG levels are almost always present. This means that seronegative late-stage infection is non-existent (9). Other often newer methods, such as the lymphocyte transformation test, Borrelia antigen t ...
... negative serology does not rule out early infection. In contrast, in late-stage Lyme disease elevated IgG levels are almost always present. This means that seronegative late-stage infection is non-existent (9). Other often newer methods, such as the lymphocyte transformation test, Borrelia antigen t ...
Assessment of wasted myocardial work: a novel method - AJP
... In brief, we used an empiric reference curve for the LVP profile. This curve was obtained by pooling LVP data from a number of patients with different pathologies, and for each patient, the durations of isovolumic contraction (IVC), LV ejection, and isovolumic relaxation (IVR), defined by echocardio ...
... In brief, we used an empiric reference curve for the LVP profile. This curve was obtained by pooling LVP data from a number of patients with different pathologies, and for each patient, the durations of isovolumic contraction (IVC), LV ejection, and isovolumic relaxation (IVR), defined by echocardio ...
Cardiac Neural Crest in Zebrafish Embryos Contributes to
... regions are cranial to somite 1. It was unexpected that uncaging fluorescein in premigratory neural crest cells at the level of somites 1–3 yielded no fluorescent cells that could be visualized grossly in the zebrafish heart (Fig. 3). The labeled cells migrated essentially ventrally with very little de ...
... regions are cranial to somite 1. It was unexpected that uncaging fluorescein in premigratory neural crest cells at the level of somites 1–3 yielded no fluorescent cells that could be visualized grossly in the zebrafish heart (Fig. 3). The labeled cells migrated essentially ventrally with very little de ...
Mobilization of Antioxidant Vitamin Pools and
... studies have recently shown an inverse relationship between vitamin E and A consumption and the risk of cardiovascular disease.4,5 Furthermore, experimental evidence has shown depletion of these antioxidant vitamins in different cardiac abnormalities.6 –9 However, there is also experimental evidence ...
... studies have recently shown an inverse relationship between vitamin E and A consumption and the risk of cardiovascular disease.4,5 Furthermore, experimental evidence has shown depletion of these antioxidant vitamins in different cardiac abnormalities.6 –9 However, there is also experimental evidence ...
Rate control versus rhythm control in NSTEMI.
... RATE Control versus RHYTHM Control in NSTEMI - There are no clinical trials on comparison of rate ...
... RATE Control versus RHYTHM Control in NSTEMI - There are no clinical trials on comparison of rate ...
Document
... d‑Ribose is a simple 5‑carbon sugar found in all living cells. It forms part of the backbone of ribonucleic acid (RNA); is a structural component of DNA, ATP, GTP, nicotinamide adenine dinucleotide (NADH), and coenzyme‑A; and plays a critical role in driving energy production. Ribose is formed natur ...
... d‑Ribose is a simple 5‑carbon sugar found in all living cells. It forms part of the backbone of ribonucleic acid (RNA); is a structural component of DNA, ATP, GTP, nicotinamide adenine dinucleotide (NADH), and coenzyme‑A; and plays a critical role in driving energy production. Ribose is formed natur ...
Cardiac norepinephrine transporter protein expression is inversely
... chambers receive bilateral innervation from the right and left stellate ganglia; however, the majority of the right ventricular innervation arises in the left stellate ganglion, and there is substantial ipsilateral innervation to the atrial appendages (41). The cardiac targets of stellate axons are ...
... chambers receive bilateral innervation from the right and left stellate ganglia; however, the majority of the right ventricular innervation arises in the left stellate ganglion, and there is substantial ipsilateral innervation to the atrial appendages (41). The cardiac targets of stellate axons are ...
with abnormalities of atrioventricular conduction Genetic study of
... In the io families available for genetic analysis 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 f ...
... In the io families available for genetic analysis 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 f ...
Morphological Changes of the QRS Complex as a Marker of
... homeostasis, e.g. by controlling arterial pressure, gastrointestinal motility and secretion, emptying of the urinary bladder, body temperature etc. The ANS is capable of regulating visceral functions very rapidly and intensely, e.g., it can double the heart rate within 3 to 5 seconds from normal lev ...
... homeostasis, e.g. by controlling arterial pressure, gastrointestinal motility and secretion, emptying of the urinary bladder, body temperature etc. The ANS is capable of regulating visceral functions very rapidly and intensely, e.g., it can double the heart rate within 3 to 5 seconds from normal lev ...
Jo Ellen Rodgers, PharmD, FCCP, BCPS
... Lectures (Required Courses) Adrenergic Blockers (PHCY 510), 2016-present Cardiovascular System: Blood Lipids and Atherosclerosis (PHCY 502), 2015-present Cardiovascular System: Alterations in Blood Pressure (PHCY 502), 2015-present Cardiovascular System: Heart Failure (PHCY 502), 2015-present Cardio ...
... Lectures (Required Courses) Adrenergic Blockers (PHCY 510), 2016-present Cardiovascular System: Blood Lipids and Atherosclerosis (PHCY 502), 2015-present Cardiovascular System: Alterations in Blood Pressure (PHCY 502), 2015-present Cardiovascular System: Heart Failure (PHCY 502), 2015-present Cardio ...
Physiological Relevance of Hydrolysis of Atrial Natriuretic Peptide
... increase in ANP levels without affecting its transcriptional levels. These observations support that ECE-1 cleaves ANP in a physiological context. All of ECE-1–/– embryos die in utero before E13.5 on a 129SvEv background (20). Premorbid ECE-1–/– embryos exhibited peripheral vascular dilatation and p ...
... increase in ANP levels without affecting its transcriptional levels. These observations support that ECE-1 cleaves ANP in a physiological context. All of ECE-1–/– embryos die in utero before E13.5 on a 129SvEv background (20). Premorbid ECE-1–/– embryos exhibited peripheral vascular dilatation and p ...
AHA/ASA Guideline
... 2. In patients who are to undergo CEA, aspirin is recommended perioperatively and postoperatively unless contraindicated (Class I; Level of Evidence C). 3. It is reasonable to consider performing CEA in asymptomatic patients who have >70% stenosis of the internal carotid artery if the risk of periop ...
... 2. In patients who are to undergo CEA, aspirin is recommended perioperatively and postoperatively unless contraindicated (Class I; Level of Evidence C). 3. It is reasonable to consider performing CEA in asymptomatic patients who have >70% stenosis of the internal carotid artery if the risk of periop ...
Cardiac Interbeat Interval Dynamics From Childhood to
... interval dynamics. Reduced HR variability and loss of HR complexity have been reported with increasing age.2– 8,11,12 However, previous studies have important limitations related to analyses based solely on traditional time- and frequencydomain measures,2–5,7 on short-term (,3 hours) ECG recordings, ...
... interval dynamics. Reduced HR variability and loss of HR complexity have been reported with increasing age.2– 8,11,12 However, previous studies have important limitations related to analyses based solely on traditional time- and frequencydomain measures,2–5,7 on short-term (,3 hours) ECG recordings, ...
An adaptive singular spectrum analysis approach to murmur
... The duration, and not intensity, of the murmur is a guide to the severity of mitral valve narrowing. However, murmur may diminish in intensity as the stenosis increases. Pericarditis and cardiac tamponade are clinical problems that involve the potential space surrounding the heart or pericardium. Pe ...
... The duration, and not intensity, of the murmur is a guide to the severity of mitral valve narrowing. However, murmur may diminish in intensity as the stenosis increases. Pericarditis and cardiac tamponade are clinical problems that involve the potential space surrounding the heart or pericardium. Pe ...
Effect of healthy aging on left ventricular relaxation and - AJP
... history, clinical exam, and selected diagnostic tests as previously described (43). To enrich the total sample, subjects were additionally recruited from a random sample of ⬇20,000 employees at Texas Health Resources, the third largest employer in the Dallas-Fort Worth metroplex and a diverse health ...
... history, clinical exam, and selected diagnostic tests as previously described (43). To enrich the total sample, subjects were additionally recruited from a random sample of ⬇20,000 employees at Texas Health Resources, the third largest employer in the Dallas-Fort Worth metroplex and a diverse health ...
table of contents
... heart has already been doing extra work before birth. Symptoms of early heart failure may include fast breathing, difficulty with feeding, fast heart rate and low blood pressure. ...
... heart has already been doing extra work before birth. Symptoms of early heart failure may include fast breathing, difficulty with feeding, fast heart rate and low blood pressure. ...
Myocardial infarction
Myocardial infarction (MI) or acute myocardial infarction (AMI), commonly known as a heart attack, occurs when blood flow stops to a part of the heart causing damage to the heart muscle. The most common symptom is chest pain or discomfort which may travel into the shoulder, arm, back, neck, or jaw. Often it is in the center or left side of the chest and lasts for more than a few minutes. The discomfort may occasionally feel like heartburn. Other symptoms may include shortness of breath, nausea, feeling faint, a cold sweat, or feeling tired. About 30% of people have atypical symptoms, with women more likely than men to present atypically. Among those over 75 years old, about 5% have had an MI with little or no history of symptoms. An MI may cause heart failure, an irregular heartbeat, or cardiac arrest.Most MIs occur due to coronary artery disease. Risk factors include high blood pressure, smoking, diabetes, lack of exercise, obesity, high blood cholesterol, poor diet, and excessive alcohol intake, among others. The mechanism of an MI often involves the rupture of an atherosclerotic plaque, leading to complete blockage of a coronary artery. MIs are less commonly caused by coronary artery spasms, which may be due to cocaine, significant emotional stress, and extreme cold, among others. A number of tests are useful to help with diagnosis, including electrocardiograms (ECGs), blood tests, and coronary angiography. An ECG may confirm an ST elevation MI if ST elevation is present. Commonly used blood tests include troponin and less often creatine kinase MB.Aspirin is an appropriate immediate treatment for a suspected MI. Nitroglycerin or opioids may be used to help with chest pain; however, they do not improve overall outcomes. Supplemental oxygen should be used in those with low oxygen levels or shortness of breath. In ST elevation MIs treatments which attempt to restore blood flow to the heart are typically recommended and include angioplasty, where the arteries are pushed open, or thrombolysis, where the blockage is removed using medications. People who have a non-ST elevation myocardial infarction (NSTEMI) are often managed with the blood thinner heparin, with the additional use angioplasty in those at high risk. In people with blockages of multiple coronary arteries and diabetes, bypass surgery (CABG) may be recommended rather than angioplasty. After an MI, lifestyle modifications, along with long term treatment with aspirin, beta blockers, and statins, are typically recommended.Worldwide, more than 3 million people have ST elevation MIs and 4 million have NSTEMIs each year. STEMIs occur about twice as often in men as women. About one million people have an MI each year in the United States. In the developed world the risk of death in those who have had an STEMI is about 10%. Rates of MI for a given age have decreased globally between 1990 and 2010.