Chronic Left Complete Bundle-branch Block - Heart
... cases of left complete bundle-branch block was considered together, the late left ventricular ejection was found to result both from a late onset and from a prolonged pre-ejection period of left ventricular contraction. These findings were confirmed by the comparison between the pre-operative and po ...
... cases of left complete bundle-branch block was considered together, the late left ventricular ejection was found to result both from a late onset and from a prolonged pre-ejection period of left ventricular contraction. These findings were confirmed by the comparison between the pre-operative and po ...
Intensive Care Unit Management of Transcatheter Aortic Valve
... untreated. Despite advances in surgical, anesthetic, and critical care management, there is a 16.4% in-hospital mortality rate in high-risk patients undergoing surgical aortic valve replacement (SAVR) as well as a high associated rate of prolonged length of stay in the intensive care unit (ICU) and ...
... untreated. Despite advances in surgical, anesthetic, and critical care management, there is a 16.4% in-hospital mortality rate in high-risk patients undergoing surgical aortic valve replacement (SAVR) as well as a high associated rate of prolonged length of stay in the intensive care unit (ICU) and ...
Left Ventricular Systolic and Diastolic Function
... coronary artery disease and arterial hypertension were studied. Diagnosis of DAN was established by autonomic nervous function (ANF) tests, and LV systolic and diastolic functions were assessed by radionuclide ventriculography at rest. RESULTS — There were 24 patients who had definite DAN, establish ...
... coronary artery disease and arterial hypertension were studied. Diagnosis of DAN was established by autonomic nervous function (ANF) tests, and LV systolic and diastolic functions were assessed by radionuclide ventriculography at rest. RESULTS — There were 24 patients who had definite DAN, establish ...
Coronary artery bypass surgery in patients with impaired left
... artery bypass surgery were prospectively studied. Echocardiography and thallium-201 myocardial scintigraphy were preoperatively performed to measure the left ventricular function and to assess myocardial viability. Postoperative echocardiography was done before discharge and six months later to eval ...
... artery bypass surgery were prospectively studied. Echocardiography and thallium-201 myocardial scintigraphy were preoperatively performed to measure the left ventricular function and to assess myocardial viability. Postoperative echocardiography was done before discharge and six months later to eval ...
Aortic root abscess complicating bacterial endocarditis - Heart
... metallic components of the prosthetic valve. It shows a fairly well defined rounded mass of approximately 4 cm in the maximum transverse diameter interposed between the ascending aorta and the left atrium. Sections above and below this level showed that the mass extended superiorly to just below the ...
... metallic components of the prosthetic valve. It shows a fairly well defined rounded mass of approximately 4 cm in the maximum transverse diameter interposed between the ascending aorta and the left atrium. Sections above and below this level showed that the mass extended superiorly to just below the ...
Hypoplastic left heart syndrome: From in
... with HLHS. Investigation of these blood flow patterns has resulted in a much clearer understanding of this complex and unique physiology. In fetal HLHS, placental and systemic venous return drains to the right atrium. Blood flows across the tricuspid valve into the right ventricle and is ejected int ...
... with HLHS. Investigation of these blood flow patterns has resulted in a much clearer understanding of this complex and unique physiology. In fetal HLHS, placental and systemic venous return drains to the right atrium. Blood flows across the tricuspid valve into the right ventricle and is ejected int ...
Perventricular device closure of congenital muscular ventricular
... cylindrical waist. Reinforced layers of polyester patches are sewn into the internal part of the Nitinol wire mesh to increase its occlusion rates. The device is malleable and has a shape memory owing to the properties of Nitinol. The size of the device is based on the diameter of the waist, which r ...
... cylindrical waist. Reinforced layers of polyester patches are sewn into the internal part of the Nitinol wire mesh to increase its occlusion rates. The device is malleable and has a shape memory owing to the properties of Nitinol. The size of the device is based on the diameter of the waist, which r ...
Diastolic Dysfunction and Anaesthetic Implications Dr S Kumar MD
... proportion of the population >65 years old and the number of surgical procedures in this group of patients will increase dramatically with at least one in two persons undergoing an operation in the remainder of their lifetime . It is therefore imperative that anaesthetists and intensivists appreciat ...
... proportion of the population >65 years old and the number of surgical procedures in this group of patients will increase dramatically with at least one in two persons undergoing an operation in the remainder of their lifetime . It is therefore imperative that anaesthetists and intensivists appreciat ...
Ch. 20-Drugs Used to Treat Dysrhythmias
... -heart rate, BP and cardiac output are reduced -see table 14-2 for beta blockers used to treat dysrhythmias -they are effective in converting the following dysrhythmias to normal sinus rhythm: •various ventricular dysrhythmias •sinus tachycardia ...
... -heart rate, BP and cardiac output are reduced -see table 14-2 for beta blockers used to treat dysrhythmias -they are effective in converting the following dysrhythmias to normal sinus rhythm: •various ventricular dysrhythmias •sinus tachycardia ...
Sudden Cardiac Death Risk Stratification in Patients with
... Objectives – To provide a meta-analysis to estimate the performance of 12 commonly reported risk stratification tests as predictors of arrhythmic events in patients with NIDCM. Background – Multiple techniques have been assessed as predictors of death due to ventricular tachyarrhythmias/sudden death ...
... Objectives – To provide a meta-analysis to estimate the performance of 12 commonly reported risk stratification tests as predictors of arrhythmic events in patients with NIDCM. Background – Multiple techniques have been assessed as predictors of death due to ventricular tachyarrhythmias/sudden death ...
Pulmonary Valve
... neural crest cells from the brachial arches Valves (Semilunar) have 3 equal cusp-shaped leaflets Aortic valve incorporates coronary arteries Atrioventricular (AV) valves = mitral and tricuspid Final valves derived entirely from endocardial cushion tissue Leaflet formed without a cusp ...
... neural crest cells from the brachial arches Valves (Semilunar) have 3 equal cusp-shaped leaflets Aortic valve incorporates coronary arteries Atrioventricular (AV) valves = mitral and tricuspid Final valves derived entirely from endocardial cushion tissue Leaflet formed without a cusp ...
grupo latido
... Patients who are misdiagnosed with VT because of ECG artifact may be subjected to unnecessary procedures. Physicians (n = 766) were surveyed with a case simulation that included a two-lead electrocardiographic monitor tracing of artifact simulating a wide-complex tachycardia. The rhythm strip was no ...
... Patients who are misdiagnosed with VT because of ECG artifact may be subjected to unnecessary procedures. Physicians (n = 766) were surveyed with a case simulation that included a two-lead electrocardiographic monitor tracing of artifact simulating a wide-complex tachycardia. The rhythm strip was no ...
Not Enough QRS Shortening? Keep Calm and Add Another Lead
... A 71-years-old male with dilated cardiomyopathy, complete left bundle branch block, heart failure and severe LV dysfunction was referred to our institution for biventricular device implantation. He had a previous history of aortic mechanical prosthesis implantation and permanent atrial fibrillation ...
... A 71-years-old male with dilated cardiomyopathy, complete left bundle branch block, heart failure and severe LV dysfunction was referred to our institution for biventricular device implantation. He had a previous history of aortic mechanical prosthesis implantation and permanent atrial fibrillation ...
Heart Failure with Preserved Ejection Fraction
... hospitalizations for heart failure, and two large epidemiologic studies have confirmed that patients with HFpEF have a mortality rate that is nearly identical to heart failure with low ejection fraction. HFpEF is the preferred term for patients with a normal ejection fraction who have the syndrome o ...
... hospitalizations for heart failure, and two large epidemiologic studies have confirmed that patients with HFpEF have a mortality rate that is nearly identical to heart failure with low ejection fraction. HFpEF is the preferred term for patients with a normal ejection fraction who have the syndrome o ...
Shock Efficacy of Subcutaneous Implantable Cardioverter
... Background—Recently, subcutaneous implantable cardioverter-defibrillator (S-ICD) has become available. The aim of our study was to assess the efficacy of S-ICD in a clinical setting. Methods and Results—Between June 2010 and July 2011, 40 consecutive patients (42±15 years; body mass index, 27±6 kg/m ...
... Background—Recently, subcutaneous implantable cardioverter-defibrillator (S-ICD) has become available. The aim of our study was to assess the efficacy of S-ICD in a clinical setting. Methods and Results—Between June 2010 and July 2011, 40 consecutive patients (42±15 years; body mass index, 27±6 kg/m ...
Pulmonary Heart Disease
... and Decholin and ether circulation times. Radiographic evidence of enlargement of the outflow tract of the right ventricle and dilatation of the pulmonary arteries was also accepte(d as an indication of right-sided heart disease (fig. 1). In some cases cardiac enlargement without any specific change ...
... and Decholin and ether circulation times. Radiographic evidence of enlargement of the outflow tract of the right ventricle and dilatation of the pulmonary arteries was also accepte(d as an indication of right-sided heart disease (fig. 1). In some cases cardiac enlargement without any specific change ...
Detection of Pulmonic and Tricuspid Valvular
... A LTHOUGH the presence of valvular regurgitation may be suspected from clinical studies, the actual demonstration of blood traversing a valve in reverse direction is necessary for a definitive diagnosis. Indicatordilution curves recorded from a systemic artery following injections into the right sid ...
... A LTHOUGH the presence of valvular regurgitation may be suspected from clinical studies, the actual demonstration of blood traversing a valve in reverse direction is necessary for a definitive diagnosis. Indicatordilution curves recorded from a systemic artery following injections into the right sid ...
Bundle-Branch Block
... RV5, V6 > 35 mm. because this will greatly increase the incidence of false positive diagnosis. RI + Srii > 25 mm. is less frequently encountered in LIVH than in high voltage in the precordial leads, but when present it is a reliable sign. We have only occasionally encountered it as a false positive. ...
... RV5, V6 > 35 mm. because this will greatly increase the incidence of false positive diagnosis. RI + Srii > 25 mm. is less frequently encountered in LIVH than in high voltage in the precordial leads, but when present it is a reliable sign. We have only occasionally encountered it as a false positive. ...
IOSR Journal of Dental and Medical Sciences (IOSR-JDMS)
... development and subsequently morphological changes, it is very likely that the patient may experience transient embolism or stroke. Furthermore the movements of the thrombus may cause syncope or sudden death, depending up on the degree of mitral valve obstruction. Our patient did not experience any ...
... development and subsequently morphological changes, it is very likely that the patient may experience transient embolism or stroke. Furthermore the movements of the thrombus may cause syncope or sudden death, depending up on the degree of mitral valve obstruction. Our patient did not experience any ...
Association between high arterial stiffness and left ventricular filling
... face of the anterior and posterior walls. Final‑ ly, the LA volume was normalized to body sur‑ face area and presented as ml/m2.19 Pulsed‑wave Doppler was used to measure the peak velocity of the E wave, whereas tissue Doppler was used to quantify the peak early velocity of the e’ wave at the level ...
... face of the anterior and posterior walls. Final‑ ly, the LA volume was normalized to body sur‑ face area and presented as ml/m2.19 Pulsed‑wave Doppler was used to measure the peak velocity of the E wave, whereas tissue Doppler was used to quantify the peak early velocity of the e’ wave at the level ...
New insights in the assessment of right ventricular function
... dyssynchronous compartment which itself may have perpetual effect on overall cardiac dysfunction. In addition, critical aortic stenosis results in RV configuration changes with the inflow tract, rather than outflow tract, determining peak ejection. This pattern of disturbance remains six month after ...
... dyssynchronous compartment which itself may have perpetual effect on overall cardiac dysfunction. In addition, critical aortic stenosis results in RV configuration changes with the inflow tract, rather than outflow tract, determining peak ejection. This pattern of disturbance remains six month after ...
Screening young athletes for prevention of sudden cardiac death
... concerning SCD in relation with physical activity. In athletes aged 8–39, Maron et al. (2007) found that SCD was mainly (44%) caused by hypertrophic cardiomyopathy (HCM) plus indeterminate left ventricular hypertrophy (LVH) considered as possible HCM, anomalous coronary artery (17%), myocarditis (6% ...
... concerning SCD in relation with physical activity. In athletes aged 8–39, Maron et al. (2007) found that SCD was mainly (44%) caused by hypertrophic cardiomyopathy (HCM) plus indeterminate left ventricular hypertrophy (LVH) considered as possible HCM, anomalous coronary artery (17%), myocarditis (6% ...
Assessment of left ventricular diastolic function with cardiovascular
... disease (2). Diastolic HF is a clinical entity, and the diagnosis requires three conditions: the presence of signs or symptoms of HF, normal or slightly abnormal LV systolic function (EF >50%), and demonstration of LV diastolic dysfunction (3). Assessment of diastolic function by cardiovascular magn ...
... disease (2). Diastolic HF is a clinical entity, and the diagnosis requires three conditions: the presence of signs or symptoms of HF, normal or slightly abnormal LV systolic function (EF >50%), and demonstration of LV diastolic dysfunction (3). Assessment of diastolic function by cardiovascular magn ...
CBP: Cardiac Arrest - UBC Critical Care Medicine, Vancouver BC
... RCTs:HACA and Bernard et al (NEJM, 2002): significant survival to d/c and neuro recovery (NNT 6 in a meta-analysis) In-hospital VF Arrests Small subset within HACA: favorable survival Out-of-hospital all-rhythms, or non-VF 4 retrospective studies for all (Oddo 2006, Scott 2006, Arrich 2007 ...
... RCTs:HACA and Bernard et al (NEJM, 2002): significant survival to d/c and neuro recovery (NNT 6 in a meta-analysis) In-hospital VF Arrests Small subset within HACA: favorable survival Out-of-hospital all-rhythms, or non-VF 4 retrospective studies for all (Oddo 2006, Scott 2006, Arrich 2007 ...
Ventricular Dimensions - Journal of Clinical Investigation
... has not been defined. It has been shown that the contractile state of cardiac muscle may be characterized by the force-velocity relation (1-3). The applicability of this concept to isolated human heart muscle has recently been demonstrated (4), and a technique has been described by which the force-v ...
... has not been defined. It has been shown that the contractile state of cardiac muscle may be characterized by the force-velocity relation (1-3). The applicability of this concept to isolated human heart muscle has recently been demonstrated (4), and a technique has been described by which the force-v ...
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.