Effect of Heart Rate on Aortic Insufficiency as Measured by a Dye
... atrium in such a way that its natural curvature held its tip against the lateral wall of the atrium. On the tip of this catheter was a smooth piece of solder connected to a fine insulated wire which traversed the lumen of the catheter. A 2 volt-1 millisecond square wave applied to this electrode and ...
... atrium in such a way that its natural curvature held its tip against the lateral wall of the atrium. On the tip of this catheter was a smooth piece of solder connected to a fine insulated wire which traversed the lumen of the catheter. A 2 volt-1 millisecond square wave applied to this electrode and ...
Heart failure cohort in Singapore with defined
... signs and symptoms of HF were as noted by the patient’s attending medical team and recorded in the clinical records. There were no further clinical evaluations of the patient by the study review team. The study review team used the New York Heart Association grading of dyspnoea, and the Killip and K ...
... signs and symptoms of HF were as noted by the patient’s attending medical team and recorded in the clinical records. There were no further clinical evaluations of the patient by the study review team. The study review team used the New York Heart Association grading of dyspnoea, and the Killip and K ...
Evolutionary origin of cardiac malformations
... extension of my previous study (1) of common cardiac malformations that occur as isolated anomalies and occasionally in syndromes of multiple organ congenital anomalies in humans and many other placental mammals . I presented evidence that the origin of these malformations dated back to the evolutio ...
... extension of my previous study (1) of common cardiac malformations that occur as isolated anomalies and occasionally in syndromes of multiple organ congenital anomalies in humans and many other placental mammals . I presented evidence that the origin of these malformations dated back to the evolutio ...
The Enigma of β2-Adrenergic Receptor Gi Signaling in the Heart
... stimulation of 1AR leads to PKA-dependent phosphorylation of a set of Ca2⫹ regulatory proteins, including sarcolemmal L-type Ca2⫹ channels, sarcoplasmic reticulum (SR) Ca2⫹-release channels (ryanodine receptors), SR Ca2⫹-ATPase (SERCA) and its regulator phospholamban (PLB), and some myofilament pro ...
... stimulation of 1AR leads to PKA-dependent phosphorylation of a set of Ca2⫹ regulatory proteins, including sarcolemmal L-type Ca2⫹ channels, sarcoplasmic reticulum (SR) Ca2⫹-release channels (ryanodine receptors), SR Ca2⫹-ATPase (SERCA) and its regulator phospholamban (PLB), and some myofilament pro ...
Vectorcardiographic evaluation of ventricular repolarization in
... Ventricular arrhythmia is a well-known cause of syncopal attacks and sudden cardiac death in humans. Ventricular repolarization (VR) is the most unstable phase in cardiac electrical activity and its regulation depends on the coordinated activity in multiple ion channels. Several physiological factor ...
... Ventricular arrhythmia is a well-known cause of syncopal attacks and sudden cardiac death in humans. Ventricular repolarization (VR) is the most unstable phase in cardiac electrical activity and its regulation depends on the coordinated activity in multiple ion channels. Several physiological factor ...
Arrhythmogenic Right Ventricular Dysplasia
... variety of presentation that mimic other diseases, including dyspnea, dizziness, palpitation, chest pain, but often heralded by syncope and SCD. On the other hand, patients may remain clinically asymptomatic for years, and the disease was found quiescent in the 3.7% of the general population[8]; wha ...
... variety of presentation that mimic other diseases, including dyspnea, dizziness, palpitation, chest pain, but often heralded by syncope and SCD. On the other hand, patients may remain clinically asymptomatic for years, and the disease was found quiescent in the 3.7% of the general population[8]; wha ...
About Your Pacemaker
... To adapt to these physiological conditions, the heart rate will be raised to more than 100 beats per minute. Different reasons, such as disease or age-related processes, can disturb the natural heart rhythm. Very common disorders are problems in the conduction system or possible blockage of the path ...
... To adapt to these physiological conditions, the heart rate will be raised to more than 100 beats per minute. Different reasons, such as disease or age-related processes, can disturb the natural heart rhythm. Very common disorders are problems in the conduction system or possible blockage of the path ...
CIMC Medical-Surgical Nursing I Practical Nursing
... contracting during systole, these vessels are being squeezed and cannot possibly fill with blood. The coronary arteries actually fill during diastole, when the heart is at rest. If there is an occlusion in one or more of these arteries, such as when a patient has plaque formation in one or more of t ...
... contracting during systole, these vessels are being squeezed and cannot possibly fill with blood. The coronary arteries actually fill during diastole, when the heart is at rest. If there is an occlusion in one or more of these arteries, such as when a patient has plaque formation in one or more of t ...
Treating Congestive Heart Failure in 2007
... voluminous hemorrhage, so too little blood enters ventricles) is detrimental because cardiac output falls. Increasing preload is a good idea (e.g. as occurs naturally during exercise, when splenic contraction increases volume of blood arriving at the heart), but to a certain limit. The more blood en ...
... voluminous hemorrhage, so too little blood enters ventricles) is detrimental because cardiac output falls. Increasing preload is a good idea (e.g. as occurs naturally during exercise, when splenic contraction increases volume of blood arriving at the heart), but to a certain limit. The more blood en ...
Lecture Notes - Honors Human Physiology
... However, there is an upward limit on heart rate. If the heart beats too rapidly, there is insufficient time for filling. This condition is called tachycardia. This begins to happen when heart rate exceeds ~170 beats/min. A limit on heart rate is imposed by the delay in conduction through the AV node ...
... However, there is an upward limit on heart rate. If the heart beats too rapidly, there is insufficient time for filling. This condition is called tachycardia. This begins to happen when heart rate exceeds ~170 beats/min. A limit on heart rate is imposed by the delay in conduction through the AV node ...
PR_3_2012 po kor BK.vp:CorelVentura 7.0
... Background: Granulocyte colony-stimulating factor (G-CSF) has been used in some animal models and humans with wellestablished cardiovascular diseases. However, its effects in the initial stage of progressive non-ischemic heart failure are unknown. Methods: Wistar rats (260–300 g) were divided into t ...
... Background: Granulocyte colony-stimulating factor (G-CSF) has been used in some animal models and humans with wellestablished cardiovascular diseases. However, its effects in the initial stage of progressive non-ischemic heart failure are unknown. Methods: Wistar rats (260–300 g) were divided into t ...
Risk Stratification for Sudden Cardiac Death after Acute Myocardial
... stratifying which patients are at greatest risk for sudden cardiac death after an AMI. Assessment of Left Ventricular Function The degree of left ventricular dysfunction is an important and widely used parameter to risk stratify patients postAMI, since mortality and re-infarction rates have been sho ...
... stratifying which patients are at greatest risk for sudden cardiac death after an AMI. Assessment of Left Ventricular Function The degree of left ventricular dysfunction is an important and widely used parameter to risk stratify patients postAMI, since mortality and re-infarction rates have been sho ...
7-Days Holter
... Atrial fibrillation (AF), the most common clinically significant cardiac arrhythmia, is associated with increased mortality and morbidity [1, 2], especially in hypertensive patients [3]. In general, hypertension is the most important risk factor for AF. Although many efforts have been made to develo ...
... Atrial fibrillation (AF), the most common clinically significant cardiac arrhythmia, is associated with increased mortality and morbidity [1, 2], especially in hypertensive patients [3]. In general, hypertension is the most important risk factor for AF. Although many efforts have been made to develo ...
Guideline for the Management of Heart Failure Caused by Systolic
... Radionuclide ventriculography also may be used to assess left ventricular and right ventricular ejection fractions. Although this modality provides reproducible quantification of the ejection fraction, it does not yield information about valvular function or wall thickness. Echocardiography should b ...
... Radionuclide ventriculography also may be used to assess left ventricular and right ventricular ejection fractions. Although this modality provides reproducible quantification of the ejection fraction, it does not yield information about valvular function or wall thickness. Echocardiography should b ...
Population prevalence, incidence, and predictors of
... there are few large epidemiological studies of its prevalence, incidence, and risk factors. The epidemiological features of AF are described in one of the largest population cohorts ever studied. Methods—The prevalence and incidence of AF were studied in the Renfrew/Paisley population cohort of 15 4 ...
... there are few large epidemiological studies of its prevalence, incidence, and risk factors. The epidemiological features of AF are described in one of the largest population cohorts ever studied. Methods—The prevalence and incidence of AF were studied in the Renfrew/Paisley population cohort of 15 4 ...
Diagnostic Value of Cardiovascular Magnetic
... identified (7.8%) and none of these patients had late gadolinium enhancement on the CMR scan. Cardiovascular magnetic resonance provides more reliable definition of the epicardial and endocardial borders and accurately determines wall thickness. Maron et al identified left ventricular hypertrophy la ...
... identified (7.8%) and none of these patients had late gadolinium enhancement on the CMR scan. Cardiovascular magnetic resonance provides more reliable definition of the epicardial and endocardial borders and accurately determines wall thickness. Maron et al identified left ventricular hypertrophy la ...
2/2014 - Repatriation Medical Authority
... "ICD-10-AM code" means a number assigned to a particular kind of injury or disease in The International Statistical Classification of Diseases and Related Health Problems, 10th Revision, Australian Modification (ICD-10-AM), Eighth Edition, effective date of 1 July 2013, copyrighted by the Independen ...
... "ICD-10-AM code" means a number assigned to a particular kind of injury or disease in The International Statistical Classification of Diseases and Related Health Problems, 10th Revision, Australian Modification (ICD-10-AM), Eighth Edition, effective date of 1 July 2013, copyrighted by the Independen ...
Appendix I - Cairdtech
... fluctuations of sinus rhythm cycle length after single ventricular premature beats (VPBs). HRT is a biphasic reaction and can be quantified by two numerical parameters (turbulence onset: TO; and turbulence slope: TS). Both parameters are potent risk stratifiers in post-MI patients which are independ ...
... fluctuations of sinus rhythm cycle length after single ventricular premature beats (VPBs). HRT is a biphasic reaction and can be quantified by two numerical parameters (turbulence onset: TO; and turbulence slope: TS). Both parameters are potent risk stratifiers in post-MI patients which are independ ...
Management of Rhythm and Conduction Disorders
... Large QRS complexes with variable morphology, turns around the iso-electric ligne Related to long QT syndrome , cranial traumatism, ...
... Large QRS complexes with variable morphology, turns around the iso-electric ligne Related to long QT syndrome , cranial traumatism, ...
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... third-degree block, prolonged QT and Wolff ParkinsonWhite syndrome.2Third-degree block is frequently diagnosed during pregnancy, around 16-18 weeks of gestation. Timing of delivery as well as type and time of pacemaker implantation after birth are still controversial issues. Pacemaker implantation i ...
... third-degree block, prolonged QT and Wolff ParkinsonWhite syndrome.2Third-degree block is frequently diagnosed during pregnancy, around 16-18 weeks of gestation. Timing of delivery as well as type and time of pacemaker implantation after birth are still controversial issues. Pacemaker implantation i ...
Evidence of Structural Remodeling in the Dyssynchronous Failing
... Details of the imaging sequence have been reported previously27,43. Hearts were placed in an acrylic container filled with Fomblin (Ausimon, Thorofare, NJ) and a 3D Fast SpinEcho (3D-FSE) sequence was used to acquire diffusion images. MR parameters varied slightly depending on heart size. The field ...
... Details of the imaging sequence have been reported previously27,43. Hearts were placed in an acrylic container filled with Fomblin (Ausimon, Thorofare, NJ) and a 3D Fast SpinEcho (3D-FSE) sequence was used to acquire diffusion images. MR parameters varied slightly depending on heart size. The field ...
Disordered Myocardial Ca2+ Homeostasis Results
... cells and impulse re-entry through the atrial tissue. Triggered activity as well as impairment of Ca2+ handling and cell-to-cell coupling that may lead to altered conduction properties and multiple re-entrant circuits are likely implicated in the development of AF (Tribulova et al. 1999, Kostin et a ...
... cells and impulse re-entry through the atrial tissue. Triggered activity as well as impairment of Ca2+ handling and cell-to-cell coupling that may lead to altered conduction properties and multiple re-entrant circuits are likely implicated in the development of AF (Tribulova et al. 1999, Kostin et a ...
The Effects of Maternal Systemic Lupus Erythematosus on the
... facial rash, photosensitivity, alopecia, Raynaud's phenomenon, seizures, and mouth or nose ulcers (Khamashta 2006). The requirements for diagnosis are assessed through patient history, hematologic tests-including complete blood counts and autoantibodies as well as physical examination. Individuals w ...
... facial rash, photosensitivity, alopecia, Raynaud's phenomenon, seizures, and mouth or nose ulcers (Khamashta 2006). The requirements for diagnosis are assessed through patient history, hematologic tests-including complete blood counts and autoantibodies as well as physical examination. Individuals w ...
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... the majority of the heart wall is composed of cardiac muscle cells, our findings related to the measurement of cell diameter confirm these findings. Unfortunately, we were unable to find sufficient data to compare the direct effects of various doses of steroids on cardiac myocyte size. A study publi ...
... the majority of the heart wall is composed of cardiac muscle cells, our findings related to the measurement of cell diameter confirm these findings. Unfortunately, we were unable to find sufficient data to compare the direct effects of various doses of steroids on cardiac myocyte size. A study publi ...
Cardio-vascular Physiology 3
... • The inferior leads (leads II, III and aVF) show the electrical activity from the inferior region (wall) of the heart - the apex of the left ventricle. • The lateral leads (I, aVL, V5 and V6) look at the electrical activity from the lateral wall of the heart. • The anterior leads, V1 through V6, an ...
... • The inferior leads (leads II, III and aVF) show the electrical activity from the inferior region (wall) of the heart - the apex of the left ventricle. • The lateral leads (I, aVL, V5 and V6) look at the electrical activity from the lateral wall of the heart. • The anterior leads, V1 through V6, an ...