The Treatment of Atrial Fibrillation - Michigan Medicine
... and this may result in symptoms of weakness, fatigue, dizziness, or shortness of breath. However, some patients who have atrial fibrillation are completely unaware of it, and have no symptoms at all. Atrial fibrillation may be “paroxysmal” or “persistent.” Paroxysmal atrial fibrillation refers to at ...
... and this may result in symptoms of weakness, fatigue, dizziness, or shortness of breath. However, some patients who have atrial fibrillation are completely unaware of it, and have no symptoms at all. Atrial fibrillation may be “paroxysmal” or “persistent.” Paroxysmal atrial fibrillation refers to at ...
Dilated cardiomyopathy in mice deficient for the lysosomal cysteine
... group of myocardial diseases characterized by cardiac dilation, decreased contractility of the myocardium, and congestive heart failure. Among the presently known causes of DCM are enteroviral infections, ischemia, and mutations in genes encoding sarcomeric and structural proteins essential for gene ...
... group of myocardial diseases characterized by cardiac dilation, decreased contractility of the myocardium, and congestive heart failure. Among the presently known causes of DCM are enteroviral infections, ischemia, and mutations in genes encoding sarcomeric and structural proteins essential for gene ...
The visualization and measurement of left ventricular deformation
... body at normal filling pressures [2]. The goal of recording and visualizing cardiac data sets is to recognize and predict heart diseases. The cardiac data set used in this work is a finite element model of the human left ventricle developed by Young et al. [3,4]. The deformation of the myocardium (hea ...
... body at normal filling pressures [2]. The goal of recording and visualizing cardiac data sets is to recognize and predict heart diseases. The cardiac data set used in this work is a finite element model of the human left ventricle developed by Young et al. [3,4]. The deformation of the myocardium (hea ...
Scientific programme, abstracts of poster presentations
... component structures of myocardial collagen networks (often derived from non-human or even non-cardiac tissue) is limited, further delineation of which will require application of more innovative technologies. Methods: Using ex-vivo right atrial tissue from patients undergoing coronary bypass, metho ...
... component structures of myocardial collagen networks (often derived from non-human or even non-cardiac tissue) is limited, further delineation of which will require application of more innovative technologies. Methods: Using ex-vivo right atrial tissue from patients undergoing coronary bypass, metho ...
Clinical relevance of cardiac arrhythmias generated by
... isolated cardiac tissues under a variety of conditions, including injury (12,13), changes in the ionic environment, hypoxia, acidosis (14,15), high concentrations of catecholamines (16), pharmacologic agents (17-20) and antiarrhythmic drugs (6,7,21,22) . Ventricular hypertrophy is also known to pred ...
... isolated cardiac tissues under a variety of conditions, including injury (12,13), changes in the ionic environment, hypoxia, acidosis (14,15), high concentrations of catecholamines (16), pharmacologic agents (17-20) and antiarrhythmic drugs (6,7,21,22) . Ventricular hypertrophy is also known to pred ...
Name of presentation
... • Most dogs with DCM are gone within 3 months of becoming symptomatic, if treated with furosemide & ACE. • Survival is likely much shorter – days to weeks – if untreated. • Adding Pimobendan increases mean survival to 130 days. • Median survival for dogs with DCM and Afib is 3 weeks, ...
... • Most dogs with DCM are gone within 3 months of becoming symptomatic, if treated with furosemide & ACE. • Survival is likely much shorter – days to weeks – if untreated. • Adding Pimobendan increases mean survival to 130 days. • Median survival for dogs with DCM and Afib is 3 weeks, ...
Primary vagally mediated decelerations in heart rate during tonic
... measured. For each animal, the number of control and peripherally blocked decelerations during quiet waking, SWS, and phasic and tonic REM sleep was totaled and the duration of each deceleration was measured. The mean R-R intervals for the 6 s immediately preceding and after the deceleration were ev ...
... measured. For each animal, the number of control and peripherally blocked decelerations during quiet waking, SWS, and phasic and tonic REM sleep was totaled and the duration of each deceleration was measured. The mean R-R intervals for the 6 s immediately preceding and after the deceleration were ev ...
Self instructional module on cardio version and defibrillation.
... rapid defibrillation, with 40% of patients discharged from the hospital and the overall longterm survival of these patients was favorable Graham-Garcia, & Andrews, . Evidence indicated that early defibrillation was the critical factor to influencing the survival of persons suffering from sudden card ...
... rapid defibrillation, with 40% of patients discharged from the hospital and the overall longterm survival of these patients was favorable Graham-Garcia, & Andrews, . Evidence indicated that early defibrillation was the critical factor to influencing the survival of persons suffering from sudden card ...
Impact of the Patient Torso Model on the Solution of the Inverse
... tools for visual assessment of cardiac ischemia. The accuracy of the inverse solution is influenced by fidelity of the patient torso model. As optimum, an individual torso model with real heart shape and position obtained from CT or MRI is desirable. However, imaging is not always available in clini ...
... tools for visual assessment of cardiac ischemia. The accuracy of the inverse solution is influenced by fidelity of the patient torso model. As optimum, an individual torso model with real heart shape and position obtained from CT or MRI is desirable. However, imaging is not always available in clini ...
Heart rate variability in myocardial infarction and heart failure
... the change of HRV in heart failure patients in order to seek the correlation between HRV and current clinical status [37,55–58]. Only a few studies have focused on HRV as a ...
... the change of HRV in heart failure patients in order to seek the correlation between HRV and current clinical status [37,55–58]. Only a few studies have focused on HRV as a ...
Cardiac output and peripheral resistance during larval development
... volume in developing Xenopus larvae. A close relationship was found between heart mass and stroke volume in mammals (26). Furthermore a parallel relationship between the growth of heart mass and the increase in stroke volume was also found in the chick embryo. Ventricular mass in the chick embryo in ...
... volume in developing Xenopus larvae. A close relationship was found between heart mass and stroke volume in mammals (26). Furthermore a parallel relationship between the growth of heart mass and the increase in stroke volume was also found in the chick embryo. Ventricular mass in the chick embryo in ...
Syncope and The Older Patient
... RBBB pattern in right precordial leads Transient/persistent ST elevation in v1-v3 Sudden cardiac death Structurally normal heart Association with young and healthy men from southeast asia who present with sudden cardiac death Brugada sign may be asymptomatic High risk of sudden cardiac death i ...
... RBBB pattern in right precordial leads Transient/persistent ST elevation in v1-v3 Sudden cardiac death Structurally normal heart Association with young and healthy men from southeast asia who present with sudden cardiac death Brugada sign may be asymptomatic High risk of sudden cardiac death i ...
Heart Health - UAW Retiree Medical Benefits Trust
... • You are a man aged 45 years or older or a woman aged 55 years or older. • Race. African Americans have a higher risk than Caucasians. ...
... • You are a man aged 45 years or older or a woman aged 55 years or older. • Race. African Americans have a higher risk than Caucasians. ...
Heart Disease
... Influences that allow heart to meet changing needs rapidly •Autonomic nervous system (ANS) •Sympathetic nervous system •Parasympathetic system – Cranial nerve X ...
... Influences that allow heart to meet changing needs rapidly •Autonomic nervous system (ANS) •Sympathetic nervous system •Parasympathetic system – Cranial nerve X ...
studies of cardio-regulation in the cockroach, periplaneta americana
... The possible significance of this will be discussed later. Even when the only connexion between the heart and the central nervous system was via one of the segmental nerves to the fourth abdominal chamber of the heart, stimulation of this nerve affected more than one chamber. It appears therefore th ...
... The possible significance of this will be discussed later. Even when the only connexion between the heart and the central nervous system was via one of the segmental nerves to the fourth abdominal chamber of the heart, stimulation of this nerve affected more than one chamber. It appears therefore th ...
Implantable Ventricular Assist Devices and Total Artificial Hearts
... biventricular device which completely replaces the function of the diseased heart. An internal battery required frequent recharging from an external power source. Many systems utilize a percutaneous power line, but a transcutaneous power-transfer coil allows for a system without lines traversing the ...
... biventricular device which completely replaces the function of the diseased heart. An internal battery required frequent recharging from an external power source. Many systems utilize a percutaneous power line, but a transcutaneous power-transfer coil allows for a system without lines traversing the ...
Heart Lect part 1
... •As a wave of electrical depolarization moves parallel to the direction of a lead, if it moves towards the positive pole of the lead a positive deflection occurs on the EKG, if it moves toward the negative pole of the lead a negative deflection occurs on the EKG Copyright © 2004 Pearson Education, I ...
... •As a wave of electrical depolarization moves parallel to the direction of a lead, if it moves towards the positive pole of the lead a positive deflection occurs on the EKG, if it moves toward the negative pole of the lead a negative deflection occurs on the EKG Copyright © 2004 Pearson Education, I ...
Estimation of maximal oxygen consumption and heart rate recovery
... two 20 cm steps. These can be challenging tests for an older population, resulting in poor compliance, and multiple steps are cumbersome for home visits. The Tecumseh step test offers advantages in that it is a 3 min step test which employs a single step with a comparatively low height (20 cm) to en ...
... two 20 cm steps. These can be challenging tests for an older population, resulting in poor compliance, and multiple steps are cumbersome for home visits. The Tecumseh step test offers advantages in that it is a 3 min step test which employs a single step with a comparatively low height (20 cm) to en ...
Single-Beat Noninvasive Imaging of Cardiac
... under baseline conditions there were 2 activation inputs for ventricular activation: 1) the accessory pathway, and 2) the AV node. The short half-life of adenosine (approximately 1.5 s) caused only a few QRS complexes to show altered morphology due to the single ventricular input. This ECG pattern w ...
... under baseline conditions there were 2 activation inputs for ventricular activation: 1) the accessory pathway, and 2) the AV node. The short half-life of adenosine (approximately 1.5 s) caused only a few QRS complexes to show altered morphology due to the single ventricular input. This ECG pattern w ...
Delaying shock for cardiopulmonary resuscitation
... performance of chest compressions. Attaching the monitor, the pulse check, establishing an airway, establishing intravenous access, rhythm evaluation, medication administration, and ventilation are just some of the distractions from continuous chest compressions. These interruptions of chest compres ...
... performance of chest compressions. Attaching the monitor, the pulse check, establishing an airway, establishing intravenous access, rhythm evaluation, medication administration, and ventilation are just some of the distractions from continuous chest compressions. These interruptions of chest compres ...
atrial fibrillation
... having a stroke. How long you have to take a blood thinner for after the procedure will depend on your stroke risk. • If you are on warfarin (Coumadin), your INR blood level will be checked. Warfarin (Coumadin) is the only blood thinner that needs to have INRs done. • You may take a rhythm control ...
... having a stroke. How long you have to take a blood thinner for after the procedure will depend on your stroke risk. • If you are on warfarin (Coumadin), your INR blood level will be checked. Warfarin (Coumadin) is the only blood thinner that needs to have INRs done. • You may take a rhythm control ...
Neural Control of Heart Rate: a Comparison between
... ventricle is the same in newborn and adult dogs (10). The parasympathetic response and the acetylcholinesterase content of atrial tissue of newborn rats were less than those of adult rats (23, 31, 32, 45). Urthaler et al. (43) have proposed that the target cell response to acetylcholine increases du ...
... ventricle is the same in newborn and adult dogs (10). The parasympathetic response and the acetylcholinesterase content of atrial tissue of newborn rats were less than those of adult rats (23, 31, 32, 45). Urthaler et al. (43) have proposed that the target cell response to acetylcholine increases du ...
Experiment HH-2: The Electrocardiogram and Heart Sounds
... the area just under each clavicle which will give a better recording. 6. Use an alcohol swab to clean a region of skin on the inside of the subject’s right wrist/clavicle. Let the area dry. Then, rough up the skin in that area with an emery board. this improves the conductivity of the electrodes. 7. ...
... the area just under each clavicle which will give a better recording. 6. Use an alcohol swab to clean a region of skin on the inside of the subject’s right wrist/clavicle. Let the area dry. Then, rough up the skin in that area with an emery board. this improves the conductivity of the electrodes. 7. ...
The Dissection of the Atrioventricular Node
... The chordae tendineae of the medial part of the anterior tricuspid leaflet are now cut and these portions of leaflet detached at their ring base and from the pars membranacea and central fibrous body (fig. iB). The atrial endocardium is removed from the region bounded by the eustachian valve, the co ...
... The chordae tendineae of the medial part of the anterior tricuspid leaflet are now cut and these portions of leaflet detached at their ring base and from the pars membranacea and central fibrous body (fig. iB). The atrial endocardium is removed from the region bounded by the eustachian valve, the co ...
materials and designs for 3d conformal
... and deoxygenated blood are collected into right atrium via vena cavae. Then the blood is transfer to the ventricles, completing the cardiac cycle. The valves located at the junctions make sure that the blood flows are unidirectional. The heart muscle, i.e. myocardium, is controlled by electrical si ...
... and deoxygenated blood are collected into right atrium via vena cavae. Then the blood is transfer to the ventricles, completing the cardiac cycle. The valves located at the junctions make sure that the blood flows are unidirectional. The heart muscle, i.e. myocardium, is controlled by electrical si ...