Atrial Fibrillation After Lung Transplantation
... investigator abstracting the data. All cases of myocardial infarction were confirmed by an elevated troponin T above the 99th percentile with ischemic electrocardiographic changes. The Institutional Review Board of the University of Minnesota approved the study (Number: 0805E33181). ...
... investigator abstracting the data. All cases of myocardial infarction were confirmed by an elevated troponin T above the 99th percentile with ischemic electrocardiographic changes. The Institutional Review Board of the University of Minnesota approved the study (Number: 0805E33181). ...
Aerobic exercise training promotes physiological cardiac
... harbor a local hairpin structure that is then cropped by a nuclear enzyme Drosha and their cofactor Pasha (also known as DGCR8) into pre-miRNAs (⬃70 nucleotides). Together, RanGTP and exportin 5 transport the pre-miRNA into the cytoplasm. Subsequently, the enzyme Dicer removes the terminal loop of t ...
... harbor a local hairpin structure that is then cropped by a nuclear enzyme Drosha and their cofactor Pasha (also known as DGCR8) into pre-miRNAs (⬃70 nucleotides). Together, RanGTP and exportin 5 transport the pre-miRNA into the cytoplasm. Subsequently, the enzyme Dicer removes the terminal loop of t ...
the postmortem rigor of the mammalian heart and the influence of an
... by connecting them with a manometer. The main object of the investigations of Brouardel as well as of Strassman seems to have been to prove from a forensic point of view, that the heart after death passes into a state of rigorand this less than twenty years ago. Meirowsky,' 899, reports the experime ...
... by connecting them with a manometer. The main object of the investigations of Brouardel as well as of Strassman seems to have been to prove from a forensic point of view, that the heart after death passes into a state of rigorand this less than twenty years ago. Meirowsky,' 899, reports the experime ...
ASE/SCA Guidelines for Performing a Comprehensive
... descending; Cx, circumflex; RCA, right coronary artery. ...
... descending; Cx, circumflex; RCA, right coronary artery. ...
Percutaneous Transluminal Coronary Angioplasty in a Patient with
... procedure in routine daily practice. Despite improvements in coronary stent designs, difficulties in delivery may still be encountered in certain rare circumstances which affect the heart and/or coronary artery anatomical positions such as dextrocardia, hernia and coronary anomalies (1). Since there ...
... procedure in routine daily practice. Despite improvements in coronary stent designs, difficulties in delivery may still be encountered in certain rare circumstances which affect the heart and/or coronary artery anatomical positions such as dextrocardia, hernia and coronary anomalies (1). Since there ...
cardiac imaging guidelines - Chapter Affairs Extranet
... Generally brought on by exertion or emotional stress May radiate to the left arm or jaw Atypical angina (probable): Chest pain or discomfort (arm or jaw pain) that lacks one of the characteristics of definite or typical angina. Non-anginal chest pain: Chest pain or discomfort that meets one ...
... Generally brought on by exertion or emotional stress May radiate to the left arm or jaw Atypical angina (probable): Chest pain or discomfort (arm or jaw pain) that lacks one of the characteristics of definite or typical angina. Non-anginal chest pain: Chest pain or discomfort that meets one ...
Paper - Journal of American Science
... Abstract: The cardioprotective effects of melatonin are consistent with its ability to scavenge free radical. However free radicals are considered as preconditioning factors, helping the heart to withstand consequent attacks of ischemic reperfusion injury. So, this study aimed to clarify whether mel ...
... Abstract: The cardioprotective effects of melatonin are consistent with its ability to scavenge free radical. However free radicals are considered as preconditioning factors, helping the heart to withstand consequent attacks of ischemic reperfusion injury. So, this study aimed to clarify whether mel ...
amine actions on cardiac ganglion neurones
... neurones in the cardiac ganglion. There was an increase in spike frequency in pacemaker neurones, accompanied by a depolarization and an increase in the rate of repolarization of the 'pacemaker potential'. DA also produced a transient decrease in pacemaker spike frequency which preceded its excitato ...
... neurones in the cardiac ganglion. There was an increase in spike frequency in pacemaker neurones, accompanied by a depolarization and an increase in the rate of repolarization of the 'pacemaker potential'. DA also produced a transient decrease in pacemaker spike frequency which preceded its excitato ...
The heart is also there! : Unexpected cardiac findings on chest CT
... and a very common incidental finding, as there are no symptoms or hemodynamic abnormalities usually associated. Fig. 25 on page 31 Caseous calcification of the mitral annulus, also called liquefactive necrosis, is a chronic degenerative process of the mitral valve fibrous ring. It is a common disord ...
... and a very common incidental finding, as there are no symptoms or hemodynamic abnormalities usually associated. Fig. 25 on page 31 Caseous calcification of the mitral annulus, also called liquefactive necrosis, is a chronic degenerative process of the mitral valve fibrous ring. It is a common disord ...
![[D] DiPietro JA, Costigan KA, Cristofalo EA, Lu Y, Bird CW, McShane CA, Crino J. Choroid plexus cysts do not affect fetal neurodevelopment. J Perinatol. 2006 26:622-7.](http://s1.studyres.com/store/data/018572500_1-6b1bc264f022de4249b6f7ce468f2ea7-300x300.png)
[D] DiPietro JA, Costigan KA, Cristofalo EA, Lu Y, Bird CW, McShane CA, Crino J. Choroid plexus cysts do not affect fetal neurodevelopment. J Perinatol. 2006 26:622-7.
... Fetal movement measures were based on the actograph signal, which ranges from 0 to 100 in a.u. A movement bout was considered to begin when the first spike of the actograph attained amplitude of 15 U and end when there was a cessation of 15 Unit signals for at least 10 s. The number of movements and ...
... Fetal movement measures were based on the actograph signal, which ranges from 0 to 100 in a.u. A movement bout was considered to begin when the first spike of the actograph attained amplitude of 15 U and end when there was a cessation of 15 Unit signals for at least 10 s. The number of movements and ...
Metabolic Abnormalities Changes in Hypothalamic - VU-AMS
... muscle sympathetic nerve activity, elevated levels were found in subjects with metabolic syndrome (11, 12). However, Grassi et al. (12) showed that different measures of SNS activity show divergent associations with the metabolic syndrome; therefore, evidence for the relationship between purely symp ...
... muscle sympathetic nerve activity, elevated levels were found in subjects with metabolic syndrome (11, 12). However, Grassi et al. (12) showed that different measures of SNS activity show divergent associations with the metabolic syndrome; therefore, evidence for the relationship between purely symp ...
Systematic and comparative morphologies of the extrinsic cardiac
... patterns of the great arteries from the aortic arch were observed. Both types consisted of two branches, the common brachiocephalic trunk and the left subclavian artery. In Type A, the common brachiocephalic trunk is composed of the brachiocephalic artery (common trunk of the right common carotid an ...
... patterns of the great arteries from the aortic arch were observed. Both types consisted of two branches, the common brachiocephalic trunk and the left subclavian artery. In Type A, the common brachiocephalic trunk is composed of the brachiocephalic artery (common trunk of the right common carotid an ...
Common Pulmonary Vein Atresia
... 1). These strands, however, demonstrate the relationship between CPVA and total anomalous pulmonary venous return. It then becomes only a matter of degree whether the cases of Hastreiter7 and Hauck,8 which showed a confluence of pulmonary veins and a small accessory pulmonary vein draining one of th ...
... 1). These strands, however, demonstrate the relationship between CPVA and total anomalous pulmonary venous return. It then becomes only a matter of degree whether the cases of Hastreiter7 and Hauck,8 which showed a confluence of pulmonary veins and a small accessory pulmonary vein draining one of th ...
Frequently Asked Questions on the Training Pathways
... standard would better ensure higher quality and safety. In addition, as stated in the Clinical Competency Statement, the Heart Rhythm Society training pathway is for device implantation in patients who have not yet had a sustained ventricular arrhythmia (primary prevention); all patients with other ...
... standard would better ensure higher quality and safety. In addition, as stated in the Clinical Competency Statement, the Heart Rhythm Society training pathway is for device implantation in patients who have not yet had a sustained ventricular arrhythmia (primary prevention); all patients with other ...
Obstructive Sleep Apnea and its Relationship to Cardiac Arrhythmias
... OSA and Cardiac Arrhythmias. Obstructive sleep apnea (OSA) affects approximately 4% of middleaged men and 2% of middle-aged women. Cardiac arrhythmias are common problems in patients with OSA, even though the true prevalence and clinical relevance of cardiac arrhythmias remains to be determined. The ...
... OSA and Cardiac Arrhythmias. Obstructive sleep apnea (OSA) affects approximately 4% of middleaged men and 2% of middle-aged women. Cardiac arrhythmias are common problems in patients with OSA, even though the true prevalence and clinical relevance of cardiac arrhythmias remains to be determined. The ...
Septal myocardial protection during cardiac surgery
... Postoperative right ventricular (RV) failure is difficult to treat and develops from functional impairment of the underlying free wall and septum. This report describes the vital importance of the ventricular septum in RV structure /function relationships, demonstrates how the helical ventricular my ...
... Postoperative right ventricular (RV) failure is difficult to treat and develops from functional impairment of the underlying free wall and septum. This report describes the vital importance of the ventricular septum in RV structure /function relationships, demonstrates how the helical ventricular my ...
Cardiac Resynchronization Therapy Defibrillator
... and your heart might stop beating (cardiac arrest). VT can sometimes be treated with medication. In other cases, an external defibrillator—such as those used by paramedics—or a CRT-D system may be used to stop the abnormal signals and return your heart to a more normal rhythm. ...
... and your heart might stop beating (cardiac arrest). VT can sometimes be treated with medication. In other cases, an external defibrillator—such as those used by paramedics—or a CRT-D system may be used to stop the abnormal signals and return your heart to a more normal rhythm. ...
Shape and Volume Changes During "Isovolumetric Relaxation" in
... RAO projection and that wall motion was parallel during the period of interest. It was further reasoned, and checked in a number of instances, that when quantitating very small changes in volume an analysis in a single plane would give satisfactory results. Thus, only the RAO projections were traced ...
... RAO projection and that wall motion was parallel during the period of interest. It was further reasoned, and checked in a number of instances, that when quantitating very small changes in volume an analysis in a single plane would give satisfactory results. Thus, only the RAO projections were traced ...
Predictors of right ventricular failure after left ventricular assist device
... varying mostly due to differences in RVF definition, different types of LVADs, and differences in patient populations included in studies. RVF complicating LVAD implantation is associated with worse postoperative mortality and morbidity including worse end-organ function, longer hospital length of s ...
... varying mostly due to differences in RVF definition, different types of LVADs, and differences in patient populations included in studies. RVF complicating LVAD implantation is associated with worse postoperative mortality and morbidity including worse end-organ function, longer hospital length of s ...
Getting to the heart of regeneration in zebrafish
... finding implies that heart regeneration may share some mechanisms with a process like fin regeneration, where a proliferative domain is maintained in a specific region of the blastema as regeneration proceeds distally [31,32]. That differentiated zebrafish CMs can actively enter mitosis seems clear, ...
... finding implies that heart regeneration may share some mechanisms with a process like fin regeneration, where a proliferative domain is maintained in a specific region of the blastema as regeneration proceeds distally [31,32]. That differentiated zebrafish CMs can actively enter mitosis seems clear, ...
Pattern of mortality in sudden death: an autopsy study
... cardiac death is a clinical syndrome that accounts for over half of all the mortality related to ischemic heart diseases. Death occurs within minutes or hours of onset of an arrhythmia, usually ventricular fibrillation and in most instances, no evidence of any recent coronary thrombosis or acute myo ...
... cardiac death is a clinical syndrome that accounts for over half of all the mortality related to ischemic heart diseases. Death occurs within minutes or hours of onset of an arrhythmia, usually ventricular fibrillation and in most instances, no evidence of any recent coronary thrombosis or acute myo ...
Association between Normal Aging and Phasic Left Atrial Volume as
... Changes in LA function may be secondary to LV myocardial fibrosis and diastolic dysfunction in these patients. In patients who suffered myocardial infarction with non-ST elevation, there were progressive increases in LAVmax and LAVmin, with decreased active and passive LA empty volumes.18 Phasic LA ...
... Changes in LA function may be secondary to LV myocardial fibrosis and diastolic dysfunction in these patients. In patients who suffered myocardial infarction with non-ST elevation, there were progressive increases in LAVmax and LAVmin, with decreased active and passive LA empty volumes.18 Phasic LA ...
Determination of anaerobic threshold for assessment of
... Response time of the whole system was determined in the following way in seven normal subjects. First, all subjects underwent two 6 min exercise sessions by the Bruce protocol; stages I and III and the steady state in '902 were confirmed after 3 min. On a separate day, subjects underwent the same am ...
... Response time of the whole system was determined in the following way in seven normal subjects. First, all subjects underwent two 6 min exercise sessions by the Bruce protocol; stages I and III and the steady state in '902 were confirmed after 3 min. On a separate day, subjects underwent the same am ...
Protection of Cardiac Cell-to-Cell Coupling Attenuate Myocardial
... The role of myocardial Cx43 in protecting the heart from malignant arrhythmias Therapy to prevent death due to arrhythmias involves invasive procedures, i.e. implantable cardioverter defibrillator to protect from sudden cardiac death when VF occurs, catheter ablation of arrhythmogenic loci and resyn ...
... The role of myocardial Cx43 in protecting the heart from malignant arrhythmias Therapy to prevent death due to arrhythmias involves invasive procedures, i.e. implantable cardioverter defibrillator to protect from sudden cardiac death when VF occurs, catheter ablation of arrhythmogenic loci and resyn ...
Electrocardiography
Electrocardiography (ECG or EKG*) is the process of recording the electrical activity of the heart over a period of time using electrodes placed on a patient's body. These electrodes detect the tiny electrical changes on the skin that arise from the heart muscle depolarizing during each heartbeat.In a conventional 12 lead ECG, ten electrodes are placed on the patient's limbs and on the surface of the chest. The overall magnitude of the heart's electrical potential is then measured from twelve different angles (""leads"") and is recorded over a period of time (usually 10 seconds). In this way, the overall magnitude and direction of the heart's electrical depolarization is captured at each moment throughout the cardiac cycle. The graph of voltage versus time produced by this noninvasive medical procedure is referred to as an electrocardiogram (abbreviated ECG or EKG).During each heartbeat, a healthy heart will have an orderly progression of depolarization that starts with pacemaker cells in the sinoatrial node, spreads out through the atrium, passes through the atrioventricular node down into the bundle of His and into the Purkinje fibers spreading down and to the left throughout the ventricles. This orderly pattern of depolarization gives rise to the characteristic ECG tracing. To the trained clinician, an ECG conveys a large amount of information about the structure of the heart and the function of its electrical conduction system. Among other things, an ECG can be used to measure the rate and rhythm of heartbeats, the size and position of the heart chambers, the presence of any damage to the heart's muscle cells or conduction system, the effects of cardiac drugs, and the function of implanted pacemakers.