Arrhythmias - Cardiac Associates
... Effects of abnormal rate and rhythm on the circulation Lightheadedness is a symptom that may result from a temporary drop in blood pressure and may be caused by an arrhythmia if the heart’s pumping capacity is sufficiently disturbed. Sometimes referred to as “fainting,” “giddiness” or “dizziness, ...
... Effects of abnormal rate and rhythm on the circulation Lightheadedness is a symptom that may result from a temporary drop in blood pressure and may be caused by an arrhythmia if the heart’s pumping capacity is sufficiently disturbed. Sometimes referred to as “fainting,” “giddiness” or “dizziness, ...
YOU CAN LIVE WITH IT! - Cardiovascular Consultants
... Effects of abnormal rate and rhythm on the circulation Lightheadedness is a symptom that may result from a temporary drop in blood pressure and may be caused by an arrhythmia if the heart’s pumping capacity is sufficiently disturbed. Sometimes referred to as “fainting,” “giddiness” or “dizziness, ...
... Effects of abnormal rate and rhythm on the circulation Lightheadedness is a symptom that may result from a temporary drop in blood pressure and may be caused by an arrhythmia if the heart’s pumping capacity is sufficiently disturbed. Sometimes referred to as “fainting,” “giddiness” or “dizziness, ...
Chapter 1: The cardiac pacemaker and conduction system develops
... myocardium and working myocardium. SR indicates sarcoplasmic reticulum. * indicates that conduction velocity is high in the ventricular conduction system. ...
... myocardium and working myocardium. SR indicates sarcoplasmic reticulum. * indicates that conduction velocity is high in the ventricular conduction system. ...
Water and sodium regulation in chronic heart failure: the role of
... is a wasting condition that occurs in a significant percentage of patients with CHF, and is associated with a particularly poor prognosis [13]. This group appears to have marked neurohormonal abnormalities, with patients demonstrating elevated levels of norepinephrine and a reduction in plasma sodiu ...
... is a wasting condition that occurs in a significant percentage of patients with CHF, and is associated with a particularly poor prognosis [13]. This group appears to have marked neurohormonal abnormalities, with patients demonstrating elevated levels of norepinephrine and a reduction in plasma sodiu ...
Congenital Pseudohorseshoe Lung Associated with Scimitar
... this pseudofusion displays congenital pseudohorseshoe lung. Nonexistence of the pleural membrane is a true horseshoe lung malformation (2, 3). We believe that this terminology should only be used in congenital malformations. Many diseases such as necrotizing pneumonia cause volume loss and a destroy ...
... this pseudofusion displays congenital pseudohorseshoe lung. Nonexistence of the pleural membrane is a true horseshoe lung malformation (2, 3). We believe that this terminology should only be used in congenital malformations. Many diseases such as necrotizing pneumonia cause volume loss and a destroy ...
Effect of Definition on Incidence of Postinfarction
... pericardial friction rub are accepted as indicative of pericarditis, whereas the average incidence is only 14% when a friction rub alone is required. Atypical T-wave evolution appears to be a very sensitive and reasonably specific ECG sign of regional postinfarction pericarditis. It is more sensitiv ...
... pericardial friction rub are accepted as indicative of pericarditis, whereas the average incidence is only 14% when a friction rub alone is required. Atypical T-wave evolution appears to be a very sensitive and reasonably specific ECG sign of regional postinfarction pericarditis. It is more sensitiv ...
MR Study of Myocardial Fiber Structure Using Diffusion Tensor
... characteristics may contribute significantly to the highly efficient and effective myocardial contraction and explain the predominant deformation in LV is radially-oriented during cardiac contraction. Such myocardial fiber pathway and connectivity characterization using DTI may provide insights into ...
... characteristics may contribute significantly to the highly efficient and effective myocardial contraction and explain the predominant deformation in LV is radially-oriented during cardiac contraction. Such myocardial fiber pathway and connectivity characterization using DTI may provide insights into ...
Chapter 11 cardiovascular system answer key
... System. Respiratory. .. Chapter 11 The Cardiovascular System 203.Week 12+13Chapter 11. . Key point: Drawing an analogy between the cardiovascular system and a mail. .. Answers to End of Chapter Review Questions.FIGURE 4.1 The circulatory system, showing the pathway for blood flow. Head and arms. .. ...
... System. Respiratory. .. Chapter 11 The Cardiovascular System 203.Week 12+13Chapter 11. . Key point: Drawing an analogy between the cardiovascular system and a mail. .. Answers to End of Chapter Review Questions.FIGURE 4.1 The circulatory system, showing the pathway for blood flow. Head and arms. .. ...
Alternative venous drainage of heart ventricles in rabbits
... The Coloured latex was injected into the v. cava caudalis after perfusion, the heart was removed and cleaned of connective tissue. Cardiac vein courses were analyzed macroscopically and microscopically (Leica M 320). The Corrosion casts were prepared with Spofacryl (SpofaDental a.s., Jičín, Czech R ...
... The Coloured latex was injected into the v. cava caudalis after perfusion, the heart was removed and cleaned of connective tissue. Cardiac vein courses were analyzed macroscopically and microscopically (Leica M 320). The Corrosion casts were prepared with Spofacryl (SpofaDental a.s., Jičín, Czech R ...
Introducing a novel mechanism to control heart rate in the ancestral
... back 0.5 billion years (Ota and Kuratani, 2007). Beyond their basal position in vertebrate evolution, hagfishes are biologically intriguing because of their anoxia tolerance and their legendary ability to produce copious amounts of slime (Hansen and Sidell, 1983; Stecyk and Farrell, 2006; Cox et al. ...
... back 0.5 billion years (Ota and Kuratani, 2007). Beyond their basal position in vertebrate evolution, hagfishes are biologically intriguing because of their anoxia tolerance and their legendary ability to produce copious amounts of slime (Hansen and Sidell, 1983; Stecyk and Farrell, 2006; Cox et al. ...
pathology of inflammatory native valvular heart disease
... angiography and suspected complications; To document infective endocarditis or rule this out; To determine the etiology of the valvular lesion – its natural history, surgical risk, post-operative prognosis and association with systemic disease; To validate new diagnostic imaging techniques; To asses ...
... angiography and suspected complications; To document infective endocarditis or rule this out; To determine the etiology of the valvular lesion – its natural history, surgical risk, post-operative prognosis and association with systemic disease; To validate new diagnostic imaging techniques; To asses ...
Reliaty Pacing System Analyzer
... use in patients with no AV conduction, the Wenckebach test may not be performed on such patients. Burst pacing Burst pacing can induce or accelerate dangerous arrhythmias. Always have cardiac emergency equipment (e.g., external pacemaker, defibrillator) in an operational status available for immedia ...
... use in patients with no AV conduction, the Wenckebach test may not be performed on such patients. Burst pacing Burst pacing can induce or accelerate dangerous arrhythmias. Always have cardiac emergency equipment (e.g., external pacemaker, defibrillator) in an operational status available for immedia ...
TotaI Excitation of the IsoIated Human Heart
... perfusion of the heart influenced the excitation of the ventricle. Five mongrel dogs, weighing 18 to 24 kg, were anesthetized with Na-pentobarbital (30 mg/kg). A midstemal thoracotomy was performed, and the heart was exposed. Multielectrode needIes were inserted into the ventricular wall, in one or ...
... perfusion of the heart influenced the excitation of the ventricle. Five mongrel dogs, weighing 18 to 24 kg, were anesthetized with Na-pentobarbital (30 mg/kg). A midstemal thoracotomy was performed, and the heart was exposed. Multielectrode needIes were inserted into the ventricular wall, in one or ...
PDF - Heart Rhythm Society
... elective replacement indicator, dual-chamber ICD, and CRT. The indications (clinical scenarios) were derived from common applications or anticipated uses, as well as from current clinical practice guidelines and results of studies examining device implantation. The 369 indications in this document w ...
... elective replacement indicator, dual-chamber ICD, and CRT. The indications (clinical scenarios) were derived from common applications or anticipated uses, as well as from current clinical practice guidelines and results of studies examining device implantation. The 369 indications in this document w ...
Impaired myocardial capillarogenesis and increased
... with a random start. Three slices of the left ventricle were selected by area-weighted sampling and processed according to the orientator method.31,32 Stereological analysis was performed on 12 random samples of differently orientated sections of the left ventricular myocardium including the inter v ...
... with a random start. Three slices of the left ventricle were selected by area-weighted sampling and processed according to the orientator method.31,32 Stereological analysis was performed on 12 random samples of differently orientated sections of the left ventricular myocardium including the inter v ...
Down Syndrome – a Primary Care Perspective
... does not cover the breadth of pneumococcal serotypes. PPV should be given after age 2 in order to mount a sufficient immunological response. It is recommended that all people with Down syndrome receive the annual influenza vaccine. Palivizumab (for RSV prophylaxis) may be recommended for those child ...
... does not cover the breadth of pneumococcal serotypes. PPV should be given after age 2 in order to mount a sufficient immunological response. It is recommended that all people with Down syndrome receive the annual influenza vaccine. Palivizumab (for RSV prophylaxis) may be recommended for those child ...
Anatomy of Cardiac Nodes and Atrioventricular Specialized
... the atrial walls, transmitting it to the AV node. Controversy surrounds how the impulse from the SA node reaches the AV node. Some authors have suggested the existence of specialized tracts between them.25 Our studies do not support this idea but favor the hypothesis that the working muscle fibers t ...
... the atrial walls, transmitting it to the AV node. Controversy surrounds how the impulse from the SA node reaches the AV node. Some authors have suggested the existence of specialized tracts between them.25 Our studies do not support this idea but favor the hypothesis that the working muscle fibers t ...
Predicting Heart Growth During Puberty: The Muscatine
... LVM. In girls, baseline aerobic fitness and fatness explained 45% of the variability in follow-up LVM. Because FFM did not enter in this model, we constructed an alternative model in which baseline aerobic fitness adjusted for FFM was entered. Using this approach, 43% of the variability in follow-up ...
... LVM. In girls, baseline aerobic fitness and fatness explained 45% of the variability in follow-up LVM. Because FFM did not enter in this model, we constructed an alternative model in which baseline aerobic fitness adjusted for FFM was entered. Using this approach, 43% of the variability in follow-up ...
... review of data on diagnostic or therapeutic efficacy and clinical outcomes is the primary basis for preparing recommendations in these guidelines. The ACC/AHA Task Force on Practice Guidelines and the ESC Committee on Practice Guidelines make every effort to avoid any actual or potential conflict of ...
ACC/AHA/ESC Guidelines for the Management of Patients
... review of data on diagnostic or therapeutic efficacy and clinical outcomes is the primary basis for preparing recommendations in these guidelines. The ACC/AHA Task Force on Practice Guidelines and the ESC Committee on Practice Guidelines make every effort to avoid any actual or potential conflict of ...
... review of data on diagnostic or therapeutic efficacy and clinical outcomes is the primary basis for preparing recommendations in these guidelines. The ACC/AHA Task Force on Practice Guidelines and the ESC Committee on Practice Guidelines make every effort to avoid any actual or potential conflict of ...
Ambulatory Blood Pressure and Metabolic Abnormalities in
... pathophysiological factors are associated with inappropriately high LV mass in hypertensive subjects. Adequate LV mass was defined by the 90% confidence interval (73% to 128%) of the distribution of %PLVM in 393 normal-weight normotensive subjects. In 185 hypertensive subjects (aged 56611 years; 60% ...
... pathophysiological factors are associated with inappropriately high LV mass in hypertensive subjects. Adequate LV mass was defined by the 90% confidence interval (73% to 128%) of the distribution of %PLVM in 393 normal-weight normotensive subjects. In 185 hypertensive subjects (aged 56611 years; 60% ...
THESIS BIOMECHANICS OF TRANS APICAL MITRAL VALVE
... and inflow fillings; however, both designs yielded elevated turbulence stresses within ...
... and inflow fillings; however, both designs yielded elevated turbulence stresses within ...
open the file... - Univera Healthcare
... Although the relationship between patent foramen ovale (PFO) and paradoxical embolus has been controversial for some time, evidence is accumulating that supports a causal relationship between the two. It is estimated that patients with PFO and a history of paradoxical embolism have a 3.4% and 3.8% y ...
... Although the relationship between patent foramen ovale (PFO) and paradoxical embolus has been controversial for some time, evidence is accumulating that supports a causal relationship between the two. It is estimated that patients with PFO and a history of paradoxical embolism have a 3.4% and 3.8% y ...
CHEST PAIN OVERVIEW
... Chest pain generally originates from one of the organs in the chest (heart, lung, or esophagus) or from the components of the chest wall (skin, muscle or bone). Occasionally, organs close to the chest, such as the gall bladder or stomach, may cause chest pain. Pain in the chest may also be the resul ...
... Chest pain generally originates from one of the organs in the chest (heart, lung, or esophagus) or from the components of the chest wall (skin, muscle or bone). Occasionally, organs close to the chest, such as the gall bladder or stomach, may cause chest pain. Pain in the chest may also be the resul ...
A congenital cardiovascular malformation in which there is an
... and right atrioventricular valvar orifices, an interatrial communication immediately above the atrioventricular valve, and a restrictive interventricular communication (interventricular pressure gradient) immediately below the atrioventricular valve. Atrioventricular Canal Defect, Partial (incomplet ...
... and right atrioventricular valvar orifices, an interatrial communication immediately above the atrioventricular valve, and a restrictive interventricular communication (interventricular pressure gradient) immediately below the atrioventricular valve. Atrioventricular Canal Defect, Partial (incomplet ...