O A
... similar to that of control; however, there was focal haemorrhage in between the myocardial bundles (Figure 3a). Semithin sections revealed mild degree of swelling around the nuclei and congestion of the blood capillaries (Figure 3b). ...
... similar to that of control; however, there was focal haemorrhage in between the myocardial bundles (Figure 3a). Semithin sections revealed mild degree of swelling around the nuclei and congestion of the blood capillaries (Figure 3b). ...
Normal electrocardiographic findings: recognising physiological
... the sinus node with decreased automaticity resulting in a high prevalence of sinus bradycardia.16 17 In the absence of symptoms such as fatigue, dizziness or syncope, a heart rate ≥30 beats/min should be considered normal in a well-trained athlete. Sinus bradycardia disappears with an increase in he ...
... the sinus node with decreased automaticity resulting in a high prevalence of sinus bradycardia.16 17 In the absence of symptoms such as fatigue, dizziness or syncope, a heart rate ≥30 beats/min should be considered normal in a well-trained athlete. Sinus bradycardia disappears with an increase in he ...
ACC/AHA 2006 Guidelines for the Management of Patients
... †Immediate Past Chair. ‡Former Task Force member during this writing effort. This document was approved by the American College of Cardiology Foundation Board of Trustees in May 2006 and by the American Heart Association Science Advisory and Coordinating Committee in May 2006. When this document is ...
... †Immediate Past Chair. ‡Former Task Force member during this writing effort. This document was approved by the American College of Cardiology Foundation Board of Trustees in May 2006 and by the American Heart Association Science Advisory and Coordinating Committee in May 2006. When this document is ...
Study of the Myocardial Contraction and Relaxation Velocities
... under physical or pharmacological stress, enhancing the sensitivity and specificity of the examinations of patients at rest. However, the interpretation of the segmental function in these tests can be limited by the learning curve, quality of imaging, and accuracy of the interpretation of the result ...
... under physical or pharmacological stress, enhancing the sensitivity and specificity of the examinations of patients at rest. However, the interpretation of the segmental function in these tests can be limited by the learning curve, quality of imaging, and accuracy of the interpretation of the result ...
The Role of the Frank–Starling Law in the Transduction of Cellular
... common and consistent modelling framework representing the cardiac electrical and mechanical systems. We have used this model to investigate how feedback loops regulate heart contraction. These results show that feedback from muscle length on tension generation at the cellular level is an important ...
... common and consistent modelling framework representing the cardiac electrical and mechanical systems. We have used this model to investigate how feedback loops regulate heart contraction. These results show that feedback from muscle length on tension generation at the cellular level is an important ...
Conducting tissue of the heart in kwashiorkor
... conducting tissue in these cases of kwashiorkor is the wasting and disintegration of conducting fibres. The term myocytolysis is used to describe the latter process which is similar to the change of myolysis described by Chauhan, Nayak, and Ramalingaswami (I965) in protein deficient rhesus monkeys. ...
... conducting tissue in these cases of kwashiorkor is the wasting and disintegration of conducting fibres. The term myocytolysis is used to describe the latter process which is similar to the change of myolysis described by Chauhan, Nayak, and Ramalingaswami (I965) in protein deficient rhesus monkeys. ...
Matching Questions - Sinoe Medical Association
... B) Cardiac muscle cells are each innervated by a sympathetic nerve ending so that the nervous system can increase heart rate. C) The refractory period in skeletal muscle is much longer than that in cardiac muscle. D) The influx of potassium ions from extracellular sources is the initiating eve ...
... B) Cardiac muscle cells are each innervated by a sympathetic nerve ending so that the nervous system can increase heart rate. C) The refractory period in skeletal muscle is much longer than that in cardiac muscle. D) The influx of potassium ions from extracellular sources is the initiating eve ...
Full Text
... animal caps. However, cardiac differentiation markers are not observed in animal caps (Bouwmeester et al., 1996). This holds true also for animal caps treated with Cerberus protein (Piccolo et al., 1999). This indicates that several additional factors are responsible for heart induction (Okada, 1954 ...
... animal caps. However, cardiac differentiation markers are not observed in animal caps (Bouwmeester et al., 1996). This holds true also for animal caps treated with Cerberus protein (Piccolo et al., 1999). This indicates that several additional factors are responsible for heart induction (Okada, 1954 ...
Conducting tissue of the heart in kwashiorkor - Heart
... conducting tissue in these cases of kwashiorkor is the wasting and disintegration of conducting fibres. The term myocytolysis is used to describe the latter process which is similar to the change of myolysis described by Chauhan, Nayak, and Ramalingaswami (I965) in protein deficient rhesus monkeys. ...
... conducting tissue in these cases of kwashiorkor is the wasting and disintegration of conducting fibres. The term myocytolysis is used to describe the latter process which is similar to the change of myolysis described by Chauhan, Nayak, and Ramalingaswami (I965) in protein deficient rhesus monkeys. ...
Strain Rate Imaging: Real World Scenario? - e
... With the introduction of the newer indices, myocardial strain and Strain Rate (SR), there has now been a potential to overcome these limitations. Both, strain that signifies the magnitude of the myocardial deformation and SRs which represents the rate of deformation, are an energy-requiring process ...
... With the introduction of the newer indices, myocardial strain and Strain Rate (SR), there has now been a potential to overcome these limitations. Both, strain that signifies the magnitude of the myocardial deformation and SRs which represents the rate of deformation, are an energy-requiring process ...
PDF - Circulation: Heart Failure
... active endocarditis. Postoperative echocardiography showed a mean gradient of 4 mm Hg across the bioprothesis without regurgitation. The patient’s recovery was uneventful; and within 2 weeks, he had better exercise tolerance. Severe tricuspid valve stenosis due to pacemaker leads is uncommon. We pre ...
... active endocarditis. Postoperative echocardiography showed a mean gradient of 4 mm Hg across the bioprothesis without regurgitation. The patient’s recovery was uneventful; and within 2 weeks, he had better exercise tolerance. Severe tricuspid valve stenosis due to pacemaker leads is uncommon. We pre ...
Sodium channel β1 subunit mutations associated
... the frequency of these defects as a cause for more-typical Brugada syndrome is unknown. SCN5A mutations are also not identified in the majority of patients with cardiac conduction disease (15). Sodium channels are multisubunit protein complexes composed not only of pore-forming α subunits but also o ...
... the frequency of these defects as a cause for more-typical Brugada syndrome is unknown. SCN5A mutations are also not identified in the majority of patients with cardiac conduction disease (15). Sodium channels are multisubunit protein complexes composed not only of pore-forming α subunits but also o ...
Pharmacology Objectives 9
... 11) List the clinical indications for the use of digoxin and describe the benefits of its use in the treatment of chronic heat failure. Therapeutic indications for digoxin use are atrial fibrillation and congestive heart failure. In congestive heart failure the role of digoxin has been controversial ...
... 11) List the clinical indications for the use of digoxin and describe the benefits of its use in the treatment of chronic heat failure. Therapeutic indications for digoxin use are atrial fibrillation and congestive heart failure. In congestive heart failure the role of digoxin has been controversial ...
Isolated Heart Perfusion Systems
... which modulates the flow generated by the perfusion pump based on a perfusion pressure feedback loop. The controller also provides an accurate, low-cost way to indirectly measure coronary flow. The system can be adapted for direct, real-time coronary flow measurement allowing the study of myogene au ...
... which modulates the flow generated by the perfusion pump based on a perfusion pressure feedback loop. The controller also provides an accurate, low-cost way to indirectly measure coronary flow. The system can be adapted for direct, real-time coronary flow measurement allowing the study of myogene au ...
X35129134
... be considered as effective tools for identifying cardiac abnormalities. In this paper, attempts have been made to identify Intracardiac atria fibrillation from ECG time series in terms of Fractal Dimension. It has been seen that many Physical, Bio-physical, Geo-physical signals are irregular and in ...
... be considered as effective tools for identifying cardiac abnormalities. In this paper, attempts have been made to identify Intracardiac atria fibrillation from ECG time series in terms of Fractal Dimension. It has been seen that many Physical, Bio-physical, Geo-physical signals are irregular and in ...
PATTERNS OF HUMAN MYOCARDIAL OXYGEN EXTRACTION
... Coronary insufficiency. Patients judged to have coronary insufficiency on the basis of classical angina pectoris, documented myocardial infarction, and positive Master's test were placed in this group. In several cases the coronary vessels were assessed at operation, by coronary arteriography (9), o ...
... Coronary insufficiency. Patients judged to have coronary insufficiency on the basis of classical angina pectoris, documented myocardial infarction, and positive Master's test were placed in this group. In several cases the coronary vessels were assessed at operation, by coronary arteriography (9), o ...
Right Bundle-Branch Block and Left Anterior
... Tricuspid valves are being replaced with increasing frequency for rheumatic and traumatic disease as well as for Ebstein's anomaly. 1-15 However, comprehensive studies of conduction disturbances following tricuspid valve replacement have not been reported. The purposes of this study were threefold: ...
... Tricuspid valves are being replaced with increasing frequency for rheumatic and traumatic disease as well as for Ebstein's anomaly. 1-15 However, comprehensive studies of conduction disturbances following tricuspid valve replacement have not been reported. The purposes of this study were threefold: ...
topography of cardiac ganglia in the adult human heart - East
... Mustard, and Fontan operations, also result in trauma to the cardiac ganglia. 21-24 In addition, the current standard technique for orthotopic heart transplantation, as described by Shumway and colleagues, 2s'26 requires transection of atrial tissue through areas densely populated with cardiac gangl ...
... Mustard, and Fontan operations, also result in trauma to the cardiac ganglia. 21-24 In addition, the current standard technique for orthotopic heart transplantation, as described by Shumway and colleagues, 2s'26 requires transection of atrial tissue through areas densely populated with cardiac gangl ...
Reduced Ventricular Proarrhythmic Potential of the Novel Combined
... normal canine heart, this compound exerts atrial-predominant electrophysiological effects both in vivo and in vitro.9 In the anesthetized methoxamine-sensitized rabbit model of torsades de pointes ventricular tachyarrhythmia (TdP), intravenous AZD1305 increased the QT interval without inducing ventr ...
... normal canine heart, this compound exerts atrial-predominant electrophysiological effects both in vivo and in vitro.9 In the anesthetized methoxamine-sensitized rabbit model of torsades de pointes ventricular tachyarrhythmia (TdP), intravenous AZD1305 increased the QT interval without inducing ventr ...
Normal electrocardiographic findings: recognising
... the sinus node with decreased automaticity resulting in a high prevalence of sinus bradycardia.16 17 In the absence of symptoms such as fatigue, dizziness or syncope, a heart rate ≥30 beats/min should be considered normal in a well-trained athlete. Sinus bradycardia disappears with an increase in he ...
... the sinus node with decreased automaticity resulting in a high prevalence of sinus bradycardia.16 17 In the absence of symptoms such as fatigue, dizziness or syncope, a heart rate ≥30 beats/min should be considered normal in a well-trained athlete. Sinus bradycardia disappears with an increase in he ...
Care of the Patient with Temporary Pacemaker
... Pacemaker output (spike) on an ECG not equate to myocardial capture and cardiac output. Electrical events continue regardless of mechanical contraction o Deterioration of pacing threshold (Bantra, 2008) Due to myocardial inflammation at the lead electrode attachment site Increase in output v ...
... Pacemaker output (spike) on an ECG not equate to myocardial capture and cardiac output. Electrical events continue regardless of mechanical contraction o Deterioration of pacing threshold (Bantra, 2008) Due to myocardial inflammation at the lead electrode attachment site Increase in output v ...
Unusual origin of type 1 atrioventricular block
... infarction, Chagas disease, and AV nodal disease and in those who have had mitral valve surgery. Type 1 second-degree block is generally benign. When type 1 AV block occurs with bifascicular block, however, the risk of progression to complete heart block is significantly increased because of probable ...
... infarction, Chagas disease, and AV nodal disease and in those who have had mitral valve surgery. Type 1 second-degree block is generally benign. When type 1 AV block occurs with bifascicular block, however, the risk of progression to complete heart block is significantly increased because of probable ...
