Strain Rate Imaging in Normal and Reduced Diastolic
... does the stretching and thinning of the wall (Figure 7). The propagation velocity of this stretching wave can be measured as shown in Figure 2. Propagation velocity of the E wave is consistently lower than that of the A wave.The E and A waves of the mitral annulus seen by pulsed DTI represent the re ...
... does the stretching and thinning of the wall (Figure 7). The propagation velocity of this stretching wave can be measured as shown in Figure 2. Propagation velocity of the E wave is consistently lower than that of the A wave.The E and A waves of the mitral annulus seen by pulsed DTI represent the re ...
Estimation of maximal oxygen consumption and heart rate recovery
... (>16 y and <70 y) who performed a step test. VO2max was estimated from heart rate using three methods and the results compared. The magnitude of heart rate recovery (HRR) and the time constant of recovery based on different time intervals post-exercise were also estimated. Results: Estimated VO2max ...
... (>16 y and <70 y) who performed a step test. VO2max was estimated from heart rate using three methods and the results compared. The magnitude of heart rate recovery (HRR) and the time constant of recovery based on different time intervals post-exercise were also estimated. Results: Estimated VO2max ...
chapter 1. overview - IMIB-CHD
... The most commonly used terms ‘criss-cross heart’ and ‘superoinferior ventricles’ describe the hearts with the same or similar pathology from the different points of view and perspectives. The term ‘crisscross heart’ describes the directions of the two blood streams from the atria to the ventricular ...
... The most commonly used terms ‘criss-cross heart’ and ‘superoinferior ventricles’ describe the hearts with the same or similar pathology from the different points of view and perspectives. The term ‘crisscross heart’ describes the directions of the two blood streams from the atria to the ventricular ...
Teaching Rounds in Cardiac Electrophysiology
... Theoretically, APs may be present at either side of the posterior septum (left or right) or more centrally located (Section 3, Figure 2) and successful ablation will depend on which side of the septum the AP is located. The narrow QRS in lead V1 in the presence of preexcitation indicates a mitral an ...
... Theoretically, APs may be present at either side of the posterior septum (left or right) or more centrally located (Section 3, Figure 2) and successful ablation will depend on which side of the septum the AP is located. The narrow QRS in lead V1 in the presence of preexcitation indicates a mitral an ...
Standard PDF - Wiley Online Library
... from each of the 16 recorded linear microarray (LMA) channels. These signals were processed by analysing the activities recorded from pairs of adjacent electrodes (stereotrode). An action potential was considered to arise from a single IC neuronal somata and/or dendrites when two (but not more) adja ...
... from each of the 16 recorded linear microarray (LMA) channels. These signals were processed by analysing the activities recorded from pairs of adjacent electrodes (stereotrode). An action potential was considered to arise from a single IC neuronal somata and/or dendrites when two (but not more) adja ...
Multi-cue image integration for cardiac tissue characterization Antonio Reyes Porras P´erez
... complete and accurate characterization of the heart is essential to help diagnosing and treating any potential problems. To characterize cardiac function from different perspectives, large amounts of data of different nature are often acquired in clinical practice from the same patient, thus providi ...
... complete and accurate characterization of the heart is essential to help diagnosing and treating any potential problems. To characterize cardiac function from different perspectives, large amounts of data of different nature are often acquired in clinical practice from the same patient, thus providi ...
Guidelines for the Management of Patients with Acute Myocardial
... It is important that the medical profession play a significant role in critically evaluating the use of diagnostic procedures and therapies in the management or prevention of disease. Rigorous and expert analysis of the available data documenting relative benefits and risks of those procedures and t ...
... It is important that the medical profession play a significant role in critically evaluating the use of diagnostic procedures and therapies in the management or prevention of disease. Rigorous and expert analysis of the available data documenting relative benefits and risks of those procedures and t ...
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... (January et al. 2014). It is used to block the erratic electrical signals. Pulmonary vein isolation (PVI) is the most commonly used catheter ablation technique. PVI is usually done using laser energy, radiofrequency energy or intense cold to ablate (destroy) a small area of tissue in the left atrium ...
... (January et al. 2014). It is used to block the erratic electrical signals. Pulmonary vein isolation (PVI) is the most commonly used catheter ablation technique. PVI is usually done using laser energy, radiofrequency energy or intense cold to ablate (destroy) a small area of tissue in the left atrium ...
Respiratory and Circulatory Systems
... These vessels are so small that blood cells must move through them in single file. The walls of these tiny blood vessels are only one cell thick. Materials can easily diffuse into and out of them. In addition to transporting vital supplies to the cells, the circulatory system performs two other im ...
... These vessels are so small that blood cells must move through them in single file. The walls of these tiny blood vessels are only one cell thick. Materials can easily diffuse into and out of them. In addition to transporting vital supplies to the cells, the circulatory system performs two other im ...
Predisposing factors of valve regurgitation in complete
... annuloplasty (2,10,14). As described previously, the first 6 months of life should be the golden time for definitive repair (6,7,10,13,14,18) because not only preoperative regurgitation, but also pulmonary vascular obstructive disease hardly develops at this period (19,20). We have been performing c ...
... annuloplasty (2,10,14). As described previously, the first 6 months of life should be the golden time for definitive repair (6,7,10,13,14,18) because not only preoperative regurgitation, but also pulmonary vascular obstructive disease hardly develops at this period (19,20). We have been performing c ...
Atrial Fibrillation : Present Treatment Protocols by Drugs and Interventions Abstract
... An issue for concern about calcium channel blockers and beta blockers when used for initial ventricular rate control is their cardio-depressive effects, particularly in patients with heart failure. However, as a common practice – though not appropriately supported by data, one should feel comfortabl ...
... An issue for concern about calcium channel blockers and beta blockers when used for initial ventricular rate control is their cardio-depressive effects, particularly in patients with heart failure. However, as a common practice – though not appropriately supported by data, one should feel comfortabl ...
2013 ESC guidelines on the management of stable coronary artery
... Table 12 Characteristics of tests commonly used to diagnose the presence of coronary artery disease.. . . . . . . . . . . . . . . . . . . . 14 Table 13 Clinical pre-test probabilities in patients with stable chest pain symptoms . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . ...
... Table 12 Characteristics of tests commonly used to diagnose the presence of coronary artery disease.. . . . . . . . . . . . . . . . . . . . 14 Table 13 Clinical pre-test probabilities in patients with stable chest pain symptoms . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . ...
Ventricular Dysrhythmias Learning Outcomes 9.1 Describe the various
... 9.4 Idioventricular Rhythm What You Should Know Profound loss of cardiac output The patient will likely be unconscious Notify health care practitioner immediately This is a medical emergency Likely to require medication and/or pacing ECG strips must be saved and put in medical record ...
... 9.4 Idioventricular Rhythm What You Should Know Profound loss of cardiac output The patient will likely be unconscious Notify health care practitioner immediately This is a medical emergency Likely to require medication and/or pacing ECG strips must be saved and put in medical record ...
2014 AHA/ACC Guideline for the Management of Patients With Non
... Sabatine MS, Smalling RW, Zieman SJ, 2014 AHA/ACC Guideline for the Management of Patients With Non–ST-Elevation Acute Coronary Syndromes, Journal of the American College of Cardiology (2014), doi: 10.1016/j.jacc.2014.09.017. This is a PDF file of an unedited manuscript that has been accepted for pu ...
... Sabatine MS, Smalling RW, Zieman SJ, 2014 AHA/ACC Guideline for the Management of Patients With Non–ST-Elevation Acute Coronary Syndromes, Journal of the American College of Cardiology (2014), doi: 10.1016/j.jacc.2014.09.017. This is a PDF file of an unedited manuscript that has been accepted for pu ...
New Molecular Insights of Insulin in Diabetic Cardiomyopathy
... [Ca2+ ]i response in cardiomyocytes. The first phase of insulin-dependent [Ca2+ ]i increase involves extracellular Ca2+ influx through L-type calcium channel (LTCC) and activation of ryanodine receptor (RyR) Ca2+ channel which in turn releases Ca2+ from the sarcoendoplasmic reticulum (SR). The secon ...
... [Ca2+ ]i response in cardiomyocytes. The first phase of insulin-dependent [Ca2+ ]i increase involves extracellular Ca2+ influx through L-type calcium channel (LTCC) and activation of ryanodine receptor (RyR) Ca2+ channel which in turn releases Ca2+ from the sarcoendoplasmic reticulum (SR). The secon ...
2013 ESC guidelines on the management of stable coronary artery
... Table 12 Characteristics of tests commonly used to diagnose the presence of coronary artery disease.. . . . . . . . . . . . . . . . . . . . 14 Table 13 Clinical pre-test probabilities in patients with stable chest pain symptoms . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . ...
... Table 12 Characteristics of tests commonly used to diagnose the presence of coronary artery disease.. . . . . . . . . . . . . . . . . . . . 14 Table 13 Clinical pre-test probabilities in patients with stable chest pain symptoms . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . ...
Complimentary Slide Presentation.
... associated with a 6% absolute (46% relative) reduction in the composite of death, reinfarction, recurrent ischemia, heart failure and shock ...
... associated with a 6% absolute (46% relative) reduction in the composite of death, reinfarction, recurrent ischemia, heart failure and shock ...
Preview the material
... Overview of Arrhythmias Arrhythmias are relatively common in the pediatric cardiac intensive care unit. One study revealed 59% of neonates and 79% of older children have arrhythmias within 24 hours of surgery. An arrhythmia is any abnormality in the rate, regularity, or site of origin or a disturban ...
... Overview of Arrhythmias Arrhythmias are relatively common in the pediatric cardiac intensive care unit. One study revealed 59% of neonates and 79% of older children have arrhythmias within 24 hours of surgery. An arrhythmia is any abnormality in the rate, regularity, or site of origin or a disturban ...
Iron Deposition following Chronic Myocardial Infarction as a
... Purpose: Iron deposition has been shown to occur following myocardial infarction (MI). We investigated whether such focal iron deposition within chronic MI lead to electrical anomalies. Methods: Two groups of dogs (ex-vivo (n = 12) and in-vivo (n = 10)) were studied at 16 weeks post MI. Hearts of an ...
... Purpose: Iron deposition has been shown to occur following myocardial infarction (MI). We investigated whether such focal iron deposition within chronic MI lead to electrical anomalies. Methods: Two groups of dogs (ex-vivo (n = 12) and in-vivo (n = 10)) were studied at 16 weeks post MI. Hearts of an ...
Temperature dependence of cardiac performance in the lobster
... temperatures of 16°C and higher the mean amplitude of the heartbeat is less than 35% of its initial value at 2°C. The temperature dependence of the shape of the heartbeat is described in Fig.·5. Contractions develop and relax relatively slowly at the coldest temperatures but become faster as tempera ...
... temperatures of 16°C and higher the mean amplitude of the heartbeat is less than 35% of its initial value at 2°C. The temperature dependence of the shape of the heartbeat is described in Fig.·5. Contractions develop and relax relatively slowly at the coldest temperatures but become faster as tempera ...
Heart Murmurs - VeterinaryPartner.com - a VIN
... An acquired murmur is a murmur that a pet acquires during their life. These can be benign, but more often (especially in dogs) are associated with developing heart or valve disease. My pet’s murmur has a “grade.” What does this mean? Murmur grading is simply your veterinarian’s way of describing the ...
... An acquired murmur is a murmur that a pet acquires during their life. These can be benign, but more often (especially in dogs) are associated with developing heart or valve disease. My pet’s murmur has a “grade.” What does this mean? Murmur grading is simply your veterinarian’s way of describing the ...
Reverse Atrial Electrical Remodeling Induced by Continuous Positive Airway Pressure
... Background: Obstructive sleep apnea (OSA) has been associated with atrial enlargement in response to high arterial and pulmonary pressures and increased sympathetic tone. Continuous positive airway pressure (CPAP) is the gold standard treatment for OSA; its impact on atrial electrical remodeling has ...
... Background: Obstructive sleep apnea (OSA) has been associated with atrial enlargement in response to high arterial and pulmonary pressures and increased sympathetic tone. Continuous positive airway pressure (CPAP) is the gold standard treatment for OSA; its impact on atrial electrical remodeling has ...
Absent Pulmonary Valve Associated with Tetralogy of Fallot and
... septal defect (Fig. 2), and right aortic arch. At 2 months of age, cardiac catheterization and angiography confirmed the diagnosis of tetralogy of Fallot, complete atrioventricular septal defect (Rastelli type C), absent pulmonary valve and right aortic arch. There was a 70 mmHg systolic pressure gr ...
... septal defect (Fig. 2), and right aortic arch. At 2 months of age, cardiac catheterization and angiography confirmed the diagnosis of tetralogy of Fallot, complete atrioventricular septal defect (Rastelli type C), absent pulmonary valve and right aortic arch. There was a 70 mmHg systolic pressure gr ...