Bilateral Ventricular Hypertrophy Due to Chronic
... Barshay had been most careful not to include any trabeculated part of the myocardium or the papillary muscles. The diagnosis of right ventricular hypertrophy was made only when the maximal width of the wall was five millimeters or over. This standard was adopted in the year 1946 arbitrarily and with ...
... Barshay had been most careful not to include any trabeculated part of the myocardium or the papillary muscles. The diagnosis of right ventricular hypertrophy was made only when the maximal width of the wall was five millimeters or over. This standard was adopted in the year 1946 arbitrarily and with ...
Age-related changes in cardiac structure and function in Fischer 344
... The effects of aging on cardiovascular function and cardiac structure were determined in a rat model recommended for gerontological studies. A cross-sectional analysis assessed cardiac changes in male Fischer 344 ⫻ Brown Norway F1 hybrid rats (FBN) from adulthood to the very aged (n ⫽ 6 per 12-, 18- ...
... The effects of aging on cardiovascular function and cardiac structure were determined in a rat model recommended for gerontological studies. A cross-sectional analysis assessed cardiac changes in male Fischer 344 ⫻ Brown Norway F1 hybrid rats (FBN) from adulthood to the very aged (n ⫽ 6 per 12-, 18- ...
Y-Adaptor Connection for LV Lead in Upgrading to Biventricular
... clinical deterioration in individuals with normal ventricular function.2-4 However, there are reports showing ventricularly based pacemakers per se might induce ventricular dysfunction and secondarily congestive heart failure. 5,6 Recent clinical studies have shown that either atrialbased or less RV ...
... clinical deterioration in individuals with normal ventricular function.2-4 However, there are reports showing ventricularly based pacemakers per se might induce ventricular dysfunction and secondarily congestive heart failure. 5,6 Recent clinical studies have shown that either atrialbased or less RV ...
Contemporary Reviews in Cardiovascular Medicine
... adulthood. In patients who have not undergone surgery, ECG findings more directly relate to hemodynamic consequences than to specific location.26 Newly diagnosed congenital VSDs in adulthood are most often small and restrictive or large and unrestrictive with Eisenmenger’s complex (ie, flow reversal ...
... adulthood. In patients who have not undergone surgery, ECG findings more directly relate to hemodynamic consequences than to specific location.26 Newly diagnosed congenital VSDs in adulthood are most often small and restrictive or large and unrestrictive with Eisenmenger’s complex (ie, flow reversal ...
Acute and Chronic Heart Failure Therapies in Patients With
... The management of patients with Takotsubo cardiomyopathy consists of heart failure treatment with angiotensin converting enzyme inhibitors and β-blockers. There are no specific guidelines for managing patients with Takotsubo cardiomyopathy and such patients are treated with generic heart failure med ...
... The management of patients with Takotsubo cardiomyopathy consists of heart failure treatment with angiotensin converting enzyme inhibitors and β-blockers. There are no specific guidelines for managing patients with Takotsubo cardiomyopathy and such patients are treated with generic heart failure med ...
Cardiac Amyloidosis
... -Approved in Europe and Japan for mutant ATTR amyloidosis causing polyneuropathy -Binds thyroxine binding site to stabilize tetramer and block amyloid cascade - A Phase 3 study investigating its utility in ATTR cardiomyopathy (both wild-type ATTR and mutant ATTR) has finished enrollment, with result ...
... -Approved in Europe and Japan for mutant ATTR amyloidosis causing polyneuropathy -Binds thyroxine binding site to stabilize tetramer and block amyloid cascade - A Phase 3 study investigating its utility in ATTR cardiomyopathy (both wild-type ATTR and mutant ATTR) has finished enrollment, with result ...
What Can We Learn From the RR Intervals Stored in ICDs?
... been found that late-coupled VESs were the most common triggers of VT [26,27]. Therefore, the prematurity measurement of VESs may help distinguish "risky" VESs from the "non-risky" VESs. Another example is the heart rate turbulence (HRT), which measures the transient dynamics of the RR intervals aft ...
... been found that late-coupled VESs were the most common triggers of VT [26,27]. Therefore, the prematurity measurement of VESs may help distinguish "risky" VESs from the "non-risky" VESs. Another example is the heart rate turbulence (HRT), which measures the transient dynamics of the RR intervals aft ...
Echocardiographic recognition and implications of
... thrombus could be made in the presence of an apical aberrant band or a thick trabecula. We studied a highly selected patient population to correlate echocardiographic and pathologic findings. This group of cardiac transplant candidates showed a high prevalence of left and right ventricular aberrant ...
... thrombus could be made in the presence of an apical aberrant band or a thick trabecula. We studied a highly selected patient population to correlate echocardiographic and pathologic findings. This group of cardiac transplant candidates showed a high prevalence of left and right ventricular aberrant ...
Electrical and Mechanical Properties of Chick Embryo Heart
... The electromotive force which activates the mechanical properties of the chambers is predictable in its duration. A pacemaker, located in the upper portion of the atrium, controls the rate and rhythm of the heart. Following the passage of the electrical impulse over the atrium to produce the P-wave ...
... The electromotive force which activates the mechanical properties of the chambers is predictable in its duration. A pacemaker, located in the upper portion of the atrium, controls the rate and rhythm of the heart. Following the passage of the electrical impulse over the atrium to produce the P-wave ...
Congenital Heart Disease
... Coarctation of the Aorta 0.3 per 1,000 births May be silent - hypertension in the upper extremities is the clue Surgery effective ...
... Coarctation of the Aorta 0.3 per 1,000 births May be silent - hypertension in the upper extremities is the clue Surgery effective ...
Persistent Truncus Arteriosus with Survival to the Age of38
... part of the ventricular septum. A single large atherosclerotic artery arose from the summits of the two ventricles (Fig. 1): this contained three large semilunar cusps (Fig. 2), and two coronary arteries arose from it. Two wide unobstructed pulmonary arteries arose at right angles from the major ves ...
... part of the ventricular septum. A single large atherosclerotic artery arose from the summits of the two ventricles (Fig. 1): this contained three large semilunar cusps (Fig. 2), and two coronary arteries arose from it. Two wide unobstructed pulmonary arteries arose at right angles from the major ves ...
The Left Main Complication of the Bentall`s Procedure
... myocardial ischemia and repeat angiography confirmed severe left main in-stent restenosis. The patient underwent off pump coronary artery bypass and remained symptom free at 24 months. This successful outcome was also true for our patient in case 2 managed with CABG, having presented with stable ang ...
... myocardial ischemia and repeat angiography confirmed severe left main in-stent restenosis. The patient underwent off pump coronary artery bypass and remained symptom free at 24 months. This successful outcome was also true for our patient in case 2 managed with CABG, having presented with stable ang ...
Mitral annular calcification – An overview
... Calcification of the mitral annulus has long been considered as a benign condition. However, recent investigations have shed a light on this condition. According to the severity of the disease, the result may be regurgitation or rarely stenosis of the mitral valve. In addition to the local effects, ...
... Calcification of the mitral annulus has long been considered as a benign condition. However, recent investigations have shed a light on this condition. According to the severity of the disease, the result may be regurgitation or rarely stenosis of the mitral valve. In addition to the local effects, ...
Full Text - Ibrahim Medical College
... groups (i.e. <100 pg/ml as normal, 100-400 pg/ml as doubtful, and >400 pg/ml as confirmatory) for diagnostic purpose of cardiac illness, we also analyzed whether there is any association between these different values with the grading of LVDD (Table 2), but these were also found to be statistically ...
... groups (i.e. <100 pg/ml as normal, 100-400 pg/ml as doubtful, and >400 pg/ml as confirmatory) for diagnostic purpose of cardiac illness, we also analyzed whether there is any association between these different values with the grading of LVDD (Table 2), but these were also found to be statistically ...
Left Venticular Diastolic Dysfunction in Essential Hypertension
... weakness and higher cardiovascular incidence. In first phase ejection fraction (EF) is preserved but relaxing attributes are being debilitated. The heart rigidity (nonelastic, inflexibility) is warning sign that requires closer echocardiography monitoring. LVDD diagnosis is usually based on: clinical ...
... weakness and higher cardiovascular incidence. In first phase ejection fraction (EF) is preserved but relaxing attributes are being debilitated. The heart rigidity (nonelastic, inflexibility) is warning sign that requires closer echocardiography monitoring. LVDD diagnosis is usually based on: clinical ...
Applications of transesophageal echocardiography in treating
... occluder, the shunt opening might be increased than before, the release of the left disk 31 patients were performed successful closure may cause significant residual shunt, and if (91.1%, 31/34), and immediately evaluated inthe occluder was selected appropriately, the traoperatively by TEE: the push ...
... occluder, the shunt opening might be increased than before, the release of the left disk 31 patients were performed successful closure may cause significant residual shunt, and if (91.1%, 31/34), and immediately evaluated inthe occluder was selected appropriately, the traoperatively by TEE: the push ...
Papillary fibroelastoma of the pulmonary valve
... the left heart, and the vast majority are clinically silent; though occasionally such lesions when on the aortic valve may produce symptoms of myocardial or cerebral ischemia. None has been known to cause symptoms when in the right side of the heart [4]. Most patients with this tumor are asymptomati ...
... the left heart, and the vast majority are clinically silent; though occasionally such lesions when on the aortic valve may produce symptoms of myocardial or cerebral ischemia. None has been known to cause symptoms when in the right side of the heart [4]. Most patients with this tumor are asymptomati ...
New Approaches to Evaluate Mechanical Dyssynchrony г Potential
... Fourier analysis of each component of the strain is determined over time and space. The zero-order component S0 of the Fourier decomposition is constant and represents perfectly synchronous contraction, whereas the first-order component, S1, is sinusoidal and represents completely asynchronous contr ...
... Fourier analysis of each component of the strain is determined over time and space. The zero-order component S0 of the Fourier decomposition is constant and represents perfectly synchronous contraction, whereas the first-order component, S1, is sinusoidal and represents completely asynchronous contr ...
Improvement of Cardiac Performance by Intravenous Infusion of L
... estimate the hemodynamic response and left ventricular performance during administration of c-arginine, the substrate of nitric oxide, to patients with moderate congestive heart failure. Infusion of 20 g of L-arginine at a steady rate over 1 h resulted in increased stroke volume and cardiac output w ...
... estimate the hemodynamic response and left ventricular performance during administration of c-arginine, the substrate of nitric oxide, to patients with moderate congestive heart failure. Infusion of 20 g of L-arginine at a steady rate over 1 h resulted in increased stroke volume and cardiac output w ...
Atrioventricular Nodal Reentrant Tachycardia in a Patient with
... rotated to the right, and the ventricles had a superior-inferior orientation (Fig. 1b). During an electrophysiology study, at baseline there was first degree AV block with a PR interval of 366 ms, which subsequently shortened spontaneously to 130 ms. The AH and HV intervals were 90 and 40 ms respect ...
... rotated to the right, and the ventricles had a superior-inferior orientation (Fig. 1b). During an electrophysiology study, at baseline there was first degree AV block with a PR interval of 366 ms, which subsequently shortened spontaneously to 130 ms. The AH and HV intervals were 90 and 40 ms respect ...
Differences in left ventricular structure, functions and
... coat HT, nocturnal HT and masked HT have been shown as a reason for changes in cardiac structure and performance (2, 3). Changes in myocyte expression of both contractile and noncontractile proteins and increased interstitial fibrosis are typical changes occurring during hypertensive heart disease ( ...
... coat HT, nocturnal HT and masked HT have been shown as a reason for changes in cardiac structure and performance (2, 3). Changes in myocyte expression of both contractile and noncontractile proteins and increased interstitial fibrosis are typical changes occurring during hypertensive heart disease ( ...
Bidirectional ventricular tachycardia associated with digoxin toxicity
... alternating LBBB and RBBB morphology,2 leading to some debate regarding the exact mechanism. Current understanding is thought to be related to elevated intracellular calcium causing delayed afterdepolarization in anatomically separate parts of the conducting system.13 In 2011, a model by Baher et al ...
... alternating LBBB and RBBB morphology,2 leading to some debate regarding the exact mechanism. Current understanding is thought to be related to elevated intracellular calcium causing delayed afterdepolarization in anatomically separate parts of the conducting system.13 In 2011, a model by Baher et al ...
Daily Report 09-14-2016
... An 82-year-old man was admitted to the coronary care unit (CCU) 48 hours ago after a late presentation with anterior ST-elevation myocardial infarction. The patient underwent coronary angiography and was found to have an occluded proximal left anterior descending coronary artery but did not undergo ...
... An 82-year-old man was admitted to the coronary care unit (CCU) 48 hours ago after a late presentation with anterior ST-elevation myocardial infarction. The patient underwent coronary angiography and was found to have an occluded proximal left anterior descending coronary artery but did not undergo ...
Left ventricular apical wall motion abnormality is associated with
... CRT response in a cohort of patients with ischemic cardiomyopathy. Since its initial report,19 CRT has proven to be a safe20 and effective1-3 treatment for patients with refractory HF and cardiac dyssynchrony. A recent study showed that CRT reduces both cardiovascular morbidity and mortality in thes ...
... CRT response in a cohort of patients with ischemic cardiomyopathy. Since its initial report,19 CRT has proven to be a safe20 and effective1-3 treatment for patients with refractory HF and cardiac dyssynchrony. A recent study showed that CRT reduces both cardiovascular morbidity and mortality in thes ...
Hypertrophic cardiomyopathy
Hypertrophic cardiomyopathy (HCM) is a primary disease of the myocardium (the muscle of the heart) in which a portion of the myocardium is hypertrophied (thickened) without any obvious cause, creating functional impairment of the cardiac muscle. It is a leading cause of sudden cardiac death in young athletes.The occurrence of hypertrophic cardiomyopathy is a significant cause of sudden unexpected cardiac death in any age group and as a cause of disabling cardiac symptoms. Younger people are likely to have a more severe form of hypertrophic cardiomyopathy.HCM is frequently asymptomatic until sudden cardiac death, and for this reason some suggest routinely screening certain populations for this disease.A cardiomyopathy is a disease that affects the muscle of the heart. With HCM, the myocytes (cardiac contractile cells) in the heart increase in size, which results in the thickening of the heart muscle. In addition, the normal alignment of muscle cells is disrupted, a phenomenon known as myocardial disarray. HCM also causes disruptions of the electrical functions of the heart. HCM is most commonly due to a mutation in one of nine sarcomeric genes that results in a mutated protein in the sarcomere, the primary component of the myocyte (the muscle cell of the heart). These are predominantly single-point missense mutations in the genes for beta-myosin heavy chain (MHC), myosin-binding protein C, cardiac troponinT, or tropomyosin. These mutations cause myofibril and myocyte structural abnormalities and possible deficiencies in force generation. Not to be confused with dilated cardiomyopathy or any other cardiomyopathy.While most literature so far focuses on European, American, and Japanese populations, HCM appears in all ethnic groups. The prevalence of HCM is about 0.2% to 0.5% of the general population.