How to read the ECG in athletes: distinguishing normal form abnormal
... confined to right precordial leads (V1 and V2) without reciprocal “S-wave” (of comparable voltage and duration) in leads I and V6 (arrowheads). Panel B. IRBBB in a trained athlete. The RV conduction interval is mildly prolonged (QRS duration = 115 ms) with a typical rSR’ pattern in V1 (arrow). Note ...
... confined to right precordial leads (V1 and V2) without reciprocal “S-wave” (of comparable voltage and duration) in leads I and V6 (arrowheads). Panel B. IRBBB in a trained athlete. The RV conduction interval is mildly prolonged (QRS duration = 115 ms) with a typical rSR’ pattern in V1 (arrow). Note ...
New Echocardiogram Index Alternatives to Mapse - sha
... volumes, wall thicknesses, midwall fractional shortening (mFS), and left atrial (LA) size were all reduced after surgery. ...
... volumes, wall thicknesses, midwall fractional shortening (mFS), and left atrial (LA) size were all reduced after surgery. ...
Use of Myocardial Perfusion SPECT for Preoperative Risk
... Since it is generally difficult to perform a prospective ...
... Since it is generally difficult to perform a prospective ...
Managing Asymptomatic Patients With Chronic Mitral Regurgitation*
... fibrillation returned in 16. Those that maintained a normal sinus rhythm were younger, had a shorter du¬ ration of symptoms, and had a smaller left atrium when with that of the group with persistent atrial compared fibrillation. These authors also suggested that the functional state of the left vent ...
... fibrillation returned in 16. Those that maintained a normal sinus rhythm were younger, had a shorter du¬ ration of symptoms, and had a smaller left atrium when with that of the group with persistent atrial compared fibrillation. These authors also suggested that the functional state of the left vent ...
cardio i - jan 2015
... Dysrhythmias Originating in the Atria Premature Atrial Contractions Etiology Single electrical impulse originating outside the SA node. May result from use of caffeine, tobacco, or alcohol, sympathomimetic drugs, ischemic heart disease, hypoxia, or digitalis toxicity, or may be idiopathic. ...
... Dysrhythmias Originating in the Atria Premature Atrial Contractions Etiology Single electrical impulse originating outside the SA node. May result from use of caffeine, tobacco, or alcohol, sympathomimetic drugs, ischemic heart disease, hypoxia, or digitalis toxicity, or may be idiopathic. ...
NEMOURS CARDIAC CENTER
... using ventricular assist devices (VADs) for mechanical circulatory support to patients with problems of the right or left ventricle, or in some cases, both ventricles. VADS, which can be in place for months if necessary, often are used as a bridge to heart transplantation and in some circumstances c ...
... using ventricular assist devices (VADs) for mechanical circulatory support to patients with problems of the right or left ventricle, or in some cases, both ventricles. VADS, which can be in place for months if necessary, often are used as a bridge to heart transplantation and in some circumstances c ...
July - Congenital Cardiology Today
... The most common lesions are: Ebstein’s malformation of the morphologic tricuspid valve, ventricular septal defect, morphologic left ventricular (pulmonary) outflow tract obstruction and complete heart block.8-10 Extensive study of the atrioventricular conduction system in corrected transposition wit ...
... The most common lesions are: Ebstein’s malformation of the morphologic tricuspid valve, ventricular septal defect, morphologic left ventricular (pulmonary) outflow tract obstruction and complete heart block.8-10 Extensive study of the atrioventricular conduction system in corrected transposition wit ...
Corrected transposition of the great arteries
... Corrected transposition of the great arteries is one of the most fascinating entities in congenital heart disease. The apparent corrected condition is only temporal. Over time, most patients develop systemic heart failure, even in the absence of associated lesions. With current imaging studies, prec ...
... Corrected transposition of the great arteries is one of the most fascinating entities in congenital heart disease. The apparent corrected condition is only temporal. Over time, most patients develop systemic heart failure, even in the absence of associated lesions. With current imaging studies, prec ...
Peer-Reviewed Case Report - UKnowledge
... Heart failure is a serious cause of morbidity and mortality with many patients ultimately requiring heart transplantation. As the rate of heart failure continues to increase and surpass the number of available donor hearts, the need for cardiac assist devices is rapidly rising. The total artificial ...
... Heart failure is a serious cause of morbidity and mortality with many patients ultimately requiring heart transplantation. As the rate of heart failure continues to increase and surpass the number of available donor hearts, the need for cardiac assist devices is rapidly rising. The total artificial ...
Total Artificial Heart Imaging and Complications: a
... Heart failure is a serious cause of morbidity and mortality with many patients ultimately requiring heart transplantation. As the rate of heart failure continues to increase and surpass the number of available donor hearts, the need for cardiac assist devices is rapidly rising. The total artificial ...
... Heart failure is a serious cause of morbidity and mortality with many patients ultimately requiring heart transplantation. As the rate of heart failure continues to increase and surpass the number of available donor hearts, the need for cardiac assist devices is rapidly rising. The total artificial ...
Quantitative volumetric analysis of cardiac morphogenesis assessed
... how the lumen volumes of the different segment/chambers change during development. Studies by Keller et al. have attempted to quantify ventricular volumes at different stages of development and showed that these increase in size as the embryo grows, but how these volumes relate to those of the atria ...
... how the lumen volumes of the different segment/chambers change during development. Studies by Keller et al. have attempted to quantify ventricular volumes at different stages of development and showed that these increase in size as the embryo grows, but how these volumes relate to those of the atria ...
The Prognostic Value of Ventilatory Efficiency with
... the tracking period, there were 55 (22%) cardiac-related deaths in the no-BB group and 29 (17%) cardiac-related deaths in the BB group. There were four deaths (three in the no-BB group and one in the BB group) attributed to noncardiac causes, four heart transplantations, and three left ventricular a ...
... the tracking period, there were 55 (22%) cardiac-related deaths in the no-BB group and 29 (17%) cardiac-related deaths in the BB group. There were four deaths (three in the no-BB group and one in the BB group) attributed to noncardiac causes, four heart transplantations, and three left ventricular a ...
FREE Sample Here
... Ejection fraction is the percentage of blood pumped out of a heart chamber with each contraction. Each ventricle holds about 150 mL when it is full. They normally eject only about half this volume (70 to 80 mL) with each contraction. OBJ: ...
... Ejection fraction is the percentage of blood pumped out of a heart chamber with each contraction. Each ventricle holds about 150 mL when it is full. They normally eject only about half this volume (70 to 80 mL) with each contraction. OBJ: ...
Acute myocardial infarction due to left anterior descending coronary
... from coronary artery injury is rare and may be related to vessel laceration, thrombosis, or dissection. A recent review of the literature uncovered only 77 published cases [4]. Traffic accidents were by far the most common cause of such myocardial infarctions (63% of cases) followed by sports injuri ...
... from coronary artery injury is rare and may be related to vessel laceration, thrombosis, or dissection. A recent review of the literature uncovered only 77 published cases [4]. Traffic accidents were by far the most common cause of such myocardial infarctions (63% of cases) followed by sports injuri ...
Interpreting AV (Heart) Blocks: Breaking Down the Mystery
... components of the different blocks is valuable to interpret the various AV blocks. The terms AV Block and Heart Block are synonymous. AV Block is the most current and most correct term, but you may still hear “Heart Block” used in clinical practice. ...
... components of the different blocks is valuable to interpret the various AV blocks. The terms AV Block and Heart Block are synonymous. AV Block is the most current and most correct term, but you may still hear “Heart Block” used in clinical practice. ...
The Effect of Statin Therapy on Heart Failure Events
... hospitalization or HF death (composite HF outcome) in each arm. Investigators were asked to detail the number of participants with HF at randomization in both treatment arms (where available), LDL-cholesterol levels at randomization and 1 year, and the number of participants who suffered a within-tr ...
... hospitalization or HF death (composite HF outcome) in each arm. Investigators were asked to detail the number of participants with HF at randomization in both treatment arms (where available), LDL-cholesterol levels at randomization and 1 year, and the number of participants who suffered a within-tr ...
Regional Venous Drainage of the Human Heart*
... have been carried out using highly diffusible indicators to measure coronary blood flow, in which it is presumed that left ventricular flow per unit muscle mass is being measured (Gorlin, 1960). The present study was designed to test the hypothesis that coronary sinus blood is composed primarily of ...
... have been carried out using highly diffusible indicators to measure coronary blood flow, in which it is presumed that left ventricular flow per unit muscle mass is being measured (Gorlin, 1960). The present study was designed to test the hypothesis that coronary sinus blood is composed primarily of ...
Clinical Effects of Percutaneous Cardiopulmonary Support in Severe
... and a massive blood transfusion was necessary due to the bleeding from chest tube drainage. In Group II, the main cause of ventricular failure in myocarditis was unresponsiveness to IABP, and another cause was hemodynamic deterioration due to VA. In these patients, surgical stress was less than the ...
... and a massive blood transfusion was necessary due to the bleeding from chest tube drainage. In Group II, the main cause of ventricular failure in myocarditis was unresponsiveness to IABP, and another cause was hemodynamic deterioration due to VA. In these patients, surgical stress was less than the ...
PDF
... and was noted to have difficulty of breathing, easy fatigability and bibasal rales hence she was admitted and started on medical management. She was discharged in an improved state with plan for interventional procedure. Patient was discharged as a case of rheumatic heart disease, mitral stenosis, a ...
... and was noted to have difficulty of breathing, easy fatigability and bibasal rales hence she was admitted and started on medical management. She was discharged in an improved state with plan for interventional procedure. Patient was discharged as a case of rheumatic heart disease, mitral stenosis, a ...
Congenitally corrected transposition of the great arteries: clues for
... and transposed great arteries. Parallel vessels are evident in corrected TGA, but as this sign is also present in complete TGA, a heart anomaly requiring major cardiac surgery in the postnatal period, it is important to differentiate between the entities prenatally. Most cases of ccTGA have associat ...
... and transposed great arteries. Parallel vessels are evident in corrected TGA, but as this sign is also present in complete TGA, a heart anomaly requiring major cardiac surgery in the postnatal period, it is important to differentiate between the entities prenatally. Most cases of ccTGA have associat ...
Surgery for Congenital Heart Diseases
... Open communication usually between upper descending Aorta and proximal portion of LPA ...
... Open communication usually between upper descending Aorta and proximal portion of LPA ...
Clinical aspects of hypertensive myocardial fibrosis
... [22], in hypertensives. Recently, Brilla et al. [6••] reported that diminution of CVF after chronic treatment with the ACE inhibitor lisinopril was accompanied by improved left ventricular diastolic dysfunction in patients with essential hypertension and these changes were independent of LVH regress ...
... [22], in hypertensives. Recently, Brilla et al. [6••] reported that diminution of CVF after chronic treatment with the ACE inhibitor lisinopril was accompanied by improved left ventricular diastolic dysfunction in patients with essential hypertension and these changes were independent of LVH regress ...
A ltered force–frequency response in non
... Secondly, a cumulative dose–response to isoproterenol (b 1 and b 2 -agonist) was obtained (0.08–40 nmol / l; Fig. 5). The activation of SERCA due to the phosphorylation of phospholamban seems to be critical in the heart’s contractile response to b-adrenergic stimulation. However, not much is known h ...
... Secondly, a cumulative dose–response to isoproterenol (b 1 and b 2 -agonist) was obtained (0.08–40 nmol / l; Fig. 5). The activation of SERCA due to the phosphorylation of phospholamban seems to be critical in the heart’s contractile response to b-adrenergic stimulation. However, not much is known h ...
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.