Ferrari_ nature
... subsequently evaluated in a single-blind study of 46 patients with CAD, who were randomly allocated to ivabradine or placebo25. The primary outcome was collateral flow index, measured invasively during a 1 min coronary artery balloon occlusion at baseline, and repeated at 6 months' follow-up. Ivabra ...
... subsequently evaluated in a single-blind study of 46 patients with CAD, who were randomly allocated to ivabradine or placebo25. The primary outcome was collateral flow index, measured invasively during a 1 min coronary artery balloon occlusion at baseline, and repeated at 6 months' follow-up. Ivabra ...
Coronary Sinus Catheter Placement
... extracorporeal circulation (ECC), were included. All patients had a left ventricular ejection fraction ⬎ 50%. Cardiac medications, including -blockers, calcium entry blockers, nitrates, and antihypertensive agents, were continued and administered on the morning of the operation. The patients were p ...
... extracorporeal circulation (ECC), were included. All patients had a left ventricular ejection fraction ⬎ 50%. Cardiac medications, including -blockers, calcium entry blockers, nitrates, and antihypertensive agents, were continued and administered on the morning of the operation. The patients were p ...
lecture outline: the heart
... Travel down interventricular septum to apex, then up outer ventricular walls towards coronary sulcus. (In right ventricle, some bundle branch cells run in moderator band from the interventricular septum to outer wall.) Purkinje fibers branch off and contact some cardiac muscle cells. Function: All p ...
... Travel down interventricular septum to apex, then up outer ventricular walls towards coronary sulcus. (In right ventricle, some bundle branch cells run in moderator band from the interventricular septum to outer wall.) Purkinje fibers branch off and contact some cardiac muscle cells. Function: All p ...
Long-term remission of left posterior fascicular
... The anatomic basis of LPFVT has provoked considerable interest. Potential substrate of the VT could be small fibromuscular bands, trabeculae carneae, and small papillary muscles. The Purkinje networks in these small anatomic structures are important when considering the reentry circuit of LPFVT.1. C ...
... The anatomic basis of LPFVT has provoked considerable interest. Potential substrate of the VT could be small fibromuscular bands, trabeculae carneae, and small papillary muscles. The Purkinje networks in these small anatomic structures are important when considering the reentry circuit of LPFVT.1. C ...
Analog Dialogue 46-11, November (2012)
... All pacing leads have two electrodes, with the location of the electrodes determining the polarity of the signal. In unipolar pacing, the pacing leads consist of an electrode at the tip of a single pacing lead and the metal wall of the pacemaker housing (can) itself, so just one lead is inserted int ...
... All pacing leads have two electrodes, with the location of the electrodes determining the polarity of the signal. In unipolar pacing, the pacing leads consist of an electrode at the tip of a single pacing lead and the metal wall of the pacemaker housing (can) itself, so just one lead is inserted int ...
2015 Exercise and the heart- the good, the bad, and the ugly
... Among patients with established CAD, there is evidence that exercise attenuates the disease process and is the cornerstone of cardiac rehabilitation. A systematic review and meta-analysis of 34 randomized control trials assessing the efficacy of exercise-based cardiac rehabilitation following myocar ...
... Among patients with established CAD, there is evidence that exercise attenuates the disease process and is the cornerstone of cardiac rehabilitation. A systematic review and meta-analysis of 34 randomized control trials assessing the efficacy of exercise-based cardiac rehabilitation following myocar ...
Hypertrophic cardiomyopathy with extreme increase in left
... clinical deterioration, including two who spontaneously developed complete heart block and one who collapsed with ventricular fibrillation but survived. However, the clinical condition of the majority of patients (21 [70%]) remained unchanged or improved. At the most recent evaluation, 20 (67%) of t ...
... clinical deterioration, including two who spontaneously developed complete heart block and one who collapsed with ventricular fibrillation but survived. However, the clinical condition of the majority of patients (21 [70%]) remained unchanged or improved. At the most recent evaluation, 20 (67%) of t ...
PERSPECTIVE
... the disease, resulting in over 2.4 million deaths with an estimated direct and indirect cost of $190.3 billion in 2008.1 The disease often manifests as a heart attack, which is the sudden blockage of blood in the coronary artery caused by atherosclerotic buildup of plaque on the walls of the blood v ...
... the disease, resulting in over 2.4 million deaths with an estimated direct and indirect cost of $190.3 billion in 2008.1 The disease often manifests as a heart attack, which is the sudden blockage of blood in the coronary artery caused by atherosclerotic buildup of plaque on the walls of the blood v ...
PDF ansehen - Deutsches Herzzentrum München
... which both adult and pediatric services are provided in the same institution. There is evidence that successful transfer to adult care is more effective and successful when the patient can be transferred within the same facility (5, 6). The availability of both adult and pediatric subspecialty provi ...
... which both adult and pediatric services are provided in the same institution. There is evidence that successful transfer to adult care is more effective and successful when the patient can be transferred within the same facility (5, 6). The availability of both adult and pediatric subspecialty provi ...
EKG Review Part I - Emergency Medicine Society at NSU College of
... landmarks and electrical direction. If the two are confused, determination of axis is impossible. Conveninently, most EKG machines are paramedic and firefighter proof. Most electrodes are labeled according to the associated body part. BIPOLAR LEADS Labeled bipolar because one lead is used as a negat ...
... landmarks and electrical direction. If the two are confused, determination of axis is impossible. Conveninently, most EKG machines are paramedic and firefighter proof. Most electrodes are labeled according to the associated body part. BIPOLAR LEADS Labeled bipolar because one lead is used as a negat ...
Length-Circumference Relations of the Left Ventricle
... and exercise. In most of the animals, at least one of the gages failed during the first week due to the stress of the repetitive stretch, but in one animal, both gages functioned reliably until the animal was sacrificed 19 days after the operation. Roentgenograms, exposed along the longitudinal axis ...
... and exercise. In most of the animals, at least one of the gages failed during the first week due to the stress of the repetitive stretch, but in one animal, both gages functioned reliably until the animal was sacrificed 19 days after the operation. Roentgenograms, exposed along the longitudinal axis ...
Value of Apical Circumferential Strain in the Early Post
... morbidity and mortality. The aim of the present study was to examine whether LV deformational and torsional parameters can predict LV remodeling in patients with AMI. Methods: Forty-two patients (age 57 ± 14 years) presenting with an anterior ST-elevation AMI and treated with primary percutaneous tr ...
... morbidity and mortality. The aim of the present study was to examine whether LV deformational and torsional parameters can predict LV remodeling in patients with AMI. Methods: Forty-two patients (age 57 ± 14 years) presenting with an anterior ST-elevation AMI and treated with primary percutaneous tr ...
Teaching Rounds in Cardiac Electrophysiology
... the reference time. B, Activation map of a limited area of the left ventricular outflow tract (LVOT) has been added, showing that earliest activation remains in the RVOT at ⫺97 ms. C, Activation map of the proximal pulmonary artery (PA) has been added. Earliest activation is now identified in this s ...
... the reference time. B, Activation map of a limited area of the left ventricular outflow tract (LVOT) has been added, showing that earliest activation remains in the RVOT at ⫺97 ms. C, Activation map of the proximal pulmonary artery (PA) has been added. Earliest activation is now identified in this s ...
Recommendations for the management of individuals with acquired
... pulmonary artery pressure, and possible stress-dependent disorders of cardiac rhythm. This can also be helpful in patients with atrial fibrillation. Invasive diagnostic procedures like Swan-Ganz catheterization under exercise is indicated only in selected cases but may be helpful in those patients i ...
... pulmonary artery pressure, and possible stress-dependent disorders of cardiac rhythm. This can also be helpful in patients with atrial fibrillation. Invasive diagnostic procedures like Swan-Ganz catheterization under exercise is indicated only in selected cases but may be helpful in those patients i ...
The Impact of Time and Day on the Presentation of
... Potential explanations for our findings include differences in prehospital delay, physical or emotional stressors, pathophysiologic differences, and historical differences. Early hospital treatment should not influence these presenting findings, as markers of myonecrosis and the presenting ECG were ...
... Potential explanations for our findings include differences in prehospital delay, physical or emotional stressors, pathophysiologic differences, and historical differences. Early hospital treatment should not influence these presenting findings, as markers of myonecrosis and the presenting ECG were ...
2015 Slide Set - American College of Cardiology
... Colors correspond to Class of Recommendation in Table 1; drugs listed alphabetically. *For rhythms that break or recur spontaneously, synchronized cardioversion is not appropriate. AVRT indicates atrioventricular reentrant tachycardia; ECG, electrocardiogram; and IV, intravenous. ...
... Colors correspond to Class of Recommendation in Table 1; drugs listed alphabetically. *For rhythms that break or recur spontaneously, synchronized cardioversion is not appropriate. AVRT indicates atrioventricular reentrant tachycardia; ECG, electrocardiogram; and IV, intravenous. ...
Long-Term Outcomes After Valve Replacement for Low
... potential to improve LV function and survival by removing the excessive afterload caused by a severely stenotic aortic valve. However, LV function may not improve after AVR if concomitant coronary artery disease or a cardiomyopathy is responsible for the LV dysfunction.2 Furthermore, high perioperat ...
... potential to improve LV function and survival by removing the excessive afterload caused by a severely stenotic aortic valve. However, LV function may not improve after AVR if concomitant coronary artery disease or a cardiomyopathy is responsible for the LV dysfunction.2 Furthermore, high perioperat ...
Aortic Valve Replacement for Moderate Aortic Stenosis with Severe
... A 55-year-old man with a history of erosive, seropositive rheumatoid arthritis (RA), and interstitial lung disease presented with shortness of breath. Echocardiography showed new-onset severe left ventricular (LV) dysfunction with an ejection fraction (EF) of 15% and moderately increased mean aortic ...
... A 55-year-old man with a history of erosive, seropositive rheumatoid arthritis (RA), and interstitial lung disease presented with shortness of breath. Echocardiography showed new-onset severe left ventricular (LV) dysfunction with an ejection fraction (EF) of 15% and moderately increased mean aortic ...
Cardiac Arrest VF/Pulseless VT Learning Station Checklist
... Antiarrhythmic Infusions for Stable Wide-QRS Tachycardia Procainamide IV Dose: 20-50 mg/min until arrhythmia ...
... Antiarrhythmic Infusions for Stable Wide-QRS Tachycardia Procainamide IV Dose: 20-50 mg/min until arrhythmia ...
Antiarrhythmic Effect of Nifekalant on Atrial Tachyarrhythmia in Four
... and prevention of atrial fibrillation or flutter concomitant with heart failure. We found that intravenous nifekalant changed atrial flutter or multifocal atrial tachycardia with a rapid atrial rate to atrial tachycardia of longer cycle length and caused termination in some cases. Pure K channel blo ...
... and prevention of atrial fibrillation or flutter concomitant with heart failure. We found that intravenous nifekalant changed atrial flutter or multifocal atrial tachycardia with a rapid atrial rate to atrial tachycardia of longer cycle length and caused termination in some cases. Pure K channel blo ...
Clinical Applications of Myocardial Perfusion Spect
... high enough dose to prevent tachycardia perioperatively, that patients may proceed directly to peripheral vascular surgery without increased risk of perioperative events. In this way surgery would not be delayed by non-invasive pre-operative testing (13). Selection of Appropriate Patients for Myocar ...
... high enough dose to prevent tachycardia perioperatively, that patients may proceed directly to peripheral vascular surgery without increased risk of perioperative events. In this way surgery would not be delayed by non-invasive pre-operative testing (13). Selection of Appropriate Patients for Myocar ...
Is Impedance Cardiography-Derived Systolic Time
... the EF category, two were from MUGA EF and three were from echo EF. ...
... the EF category, two were from MUGA EF and three were from echo EF. ...
Cuvelier Study
... domiciliary oxygen therapy. Baseline characteristics were as follows: age, 65 ⴞ 7 years; PaO2 on room air, 55.4 ⴞ 6.3 mm Hg; PaCO2 on room air, 46.2 ⴞ 7.4 mm Hg; FEV1/vital capacity, 47 ⴞ 7%; and FEV1, 30 ⴞ 7% of predicted value (mean ⴞ SD). Design: All patients performed three successive 6-min walk ...
... domiciliary oxygen therapy. Baseline characteristics were as follows: age, 65 ⴞ 7 years; PaO2 on room air, 55.4 ⴞ 6.3 mm Hg; PaCO2 on room air, 46.2 ⴞ 7.4 mm Hg; FEV1/vital capacity, 47 ⴞ 7%; and FEV1, 30 ⴞ 7% of predicted value (mean ⴞ SD). Design: All patients performed three successive 6-min walk ...
Cardiac contractility modulation
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Cardiac contractility modulation (CCM) is a treatment for patients with moderate to severe left ventricular systolic heart failure (NYHA class II–IV). The short- and long-term use of this therapy enhances both the strength of ventricular contraction and the heart’s pumping capacity. The CCM mechanism is based on stimulation of the cardiac muscle by non-excitatory electrical signals (NES). CCM treatment is delivered by a pacemaker-like device that applies the NES, adjusted to and synchronized with the electrical action in the cardiac cycle.In CCM therapy, electrical stimulation is applied to the cardiac muscle during the absolute refractory period. In this phase of the cardiac cycle, electrical signals cannot trigger new cardiac muscle contractions, hence this type of stimulation is known as a non-excitatory stimulation. However, the electrical CCM signals increase the influx of calcium ions into the cardiac muscle cells (cardiomyocytes). In contrast to other electrical stimulation treatments for heart failure, such as pacemaker therapy or implantable cardioverter defibrillators (ICD), CCM does not affect the cardiac rhythm directly. Rather, the aim is to enhance the heart’s natural contraction (the native cardiac contractility) sustainably over long periods of time. Furthermore, unlike most interventions that increase cardiac contractility, CCM is not associated with an unfavorable increase in oxygen demand by the heart (measured in terms of Myocardial Oxygen Consumption or MVO2). This may be explained by the beneficial effect CCM has in improving cardiac efficiency. A meta-analysis in 2014 and an overview of device-based treatment options in heart failure in 2013 concluded that CCM treatment is safe, that it is generally beneficial to patients and that CCM treatment increases the exercise tolerance (ET) and quality of life (QoL) of patients. Furthermore, preliminary long-term survival data shows that CCM is associated with lower long-term mortality in heart failure patients when compared with expected rates among similar patients not treated with CCM.