65 ECHOCARDIOGRAPHIC CHARACTERISTIC OF LEFT
... changes depend on the type of exercise undertaken (1, 5, 10, 12, 22). More isotonic (anisometric) forms of exercise found in endurance sports can cause an increase in ventricular chamber dimensions, but with only mild but proportional increases in wall thickness. In contrast, anisometric exercise, f ...
... changes depend on the type of exercise undertaken (1, 5, 10, 12, 22). More isotonic (anisometric) forms of exercise found in endurance sports can cause an increase in ventricular chamber dimensions, but with only mild but proportional increases in wall thickness. In contrast, anisometric exercise, f ...
B-Type Natriuretic Peptide: A Novel Clinical Tool for
... Physical examination, including jugular venous distention, pulmonary rales, abdominal jugular reflux, and peripheral edema suggest fluid overload but are not sensitive or specific signs.7–9 The best clinical predictors of heart failure are increased heart size on chest radiograph (81% accuracy), his ...
... Physical examination, including jugular venous distention, pulmonary rales, abdominal jugular reflux, and peripheral edema suggest fluid overload but are not sensitive or specific signs.7–9 The best clinical predictors of heart failure are increased heart size on chest radiograph (81% accuracy), his ...
Feasibility and efficacy of bypassing the right ventricle and
... approach of right - sided assistance bypassing the right ventricle and pulmonary circulation in order to better decompress the right ventricle and optimize left ventricular filling. Methods: From a microaxial pump (Abiomed), a low resistance oxygenator (Maquet and Novalung) and two cannulas (28 and ...
... approach of right - sided assistance bypassing the right ventricle and pulmonary circulation in order to better decompress the right ventricle and optimize left ventricular filling. Methods: From a microaxial pump (Abiomed), a low resistance oxygenator (Maquet and Novalung) and two cannulas (28 and ...
The Heart and Cardiac Output
... cardiac output. This point cannot be emphasized enough. By understanding the factors that influence cardiac output, memory work becomes unnecessary. This chapter serves as a beginning in the process of becoming a competent cardiac care practitioner. The cardiac cycle is first covered. Terms such as ...
... cardiac output. This point cannot be emphasized enough. By understanding the factors that influence cardiac output, memory work becomes unnecessary. This chapter serves as a beginning in the process of becoming a competent cardiac care practitioner. The cardiac cycle is first covered. Terms such as ...
Module_3_ICD_Indications_and_Studies
... Indications: Secondary vs. Primary Prevention ICD implant Indications ...
... Indications: Secondary vs. Primary Prevention ICD implant Indications ...
A mathematical model of left ventricular contraction and
... It is important to note that, although the causes differ, the clinical features and neurohumoral changes are indistinguishable between HFpEF and HFrEF, suggesting a mechanistic association. The processes involved on heart failure have been investigated for many decades but despite this the underlyin ...
... It is important to note that, although the causes differ, the clinical features and neurohumoral changes are indistinguishable between HFpEF and HFrEF, suggesting a mechanistic association. The processes involved on heart failure have been investigated for many decades but despite this the underlyin ...
Document
... Myxomas are the most common primary cardiac tumor, accounting for 25–50% of cases [20]. They occur most often in patients 30 to 60 years old, with a higher prevalence in women [21,22]. Most occur sporadically, although there have been cases of familial lesions and lesions associated with a clinical ...
... Myxomas are the most common primary cardiac tumor, accounting for 25–50% of cases [20]. They occur most often in patients 30 to 60 years old, with a higher prevalence in women [21,22]. Most occur sporadically, although there have been cases of familial lesions and lesions associated with a clinical ...
Detection of Myocardial Infarction—Is It All
... creased cardiac troponin concentration is almost always associated with an adverse prognosis (19 ), regardless of whether the underlying cause is acute or chronic, measurement of cardiac troponin with highsensitivity assays should be considered for risk stratification in cases of acute or chronic he ...
... creased cardiac troponin concentration is almost always associated with an adverse prognosis (19 ), regardless of whether the underlying cause is acute or chronic, measurement of cardiac troponin with highsensitivity assays should be considered for risk stratification in cases of acute or chronic he ...
oral ab agora - European Heart Journal
... Results: We enrolled n ¼ 63 patients in the ANCA associated vasculitis group, 34 of them (54%) were LGE positive. LGE showed a non-ischemic pattern in 33 patients (97%), isolated ischemic LGE pattern was present in only 1 patient. The Non-ANCA associated vasculitis group consisted of 32 patients, in ...
... Results: We enrolled n ¼ 63 patients in the ANCA associated vasculitis group, 34 of them (54%) were LGE positive. LGE showed a non-ischemic pattern in 33 patients (97%), isolated ischemic LGE pattern was present in only 1 patient. The Non-ANCA associated vasculitis group consisted of 32 patients, in ...
Gated blood pool SPECT improves reproducibility of right and left
... WD. Quantitative gated blood pool SPECT: Analysis of 3dimensional models for the assessment of regional myocardial wall mot ...
... WD. Quantitative gated blood pool SPECT: Analysis of 3dimensional models for the assessment of regional myocardial wall mot ...
Brain natriuretic peptide based strategy to detect left ventricular
... The study population consisted of two distinct samples: a first sample recruited in 1998–99 and a second sample studied during the 2001–2 period, both including consecutive patients (20–70 years of age) with a definite diagnosis of Chagas disease. The diagnosis of Chagas disease was based on the pre ...
... The study population consisted of two distinct samples: a first sample recruited in 1998–99 and a second sample studied during the 2001–2 period, both including consecutive patients (20–70 years of age) with a definite diagnosis of Chagas disease. The diagnosis of Chagas disease was based on the pre ...
Cardiac output and peripheral resistance during larval development
... different from that in chick embryos (Fig. 7). In larval Xenopus, absolute stroke volume increases more rapidly than body mass; i.e., the slope of the regression line is > 1 (Table 1). However, in chick embryos, the increase in absolute stroke volume is slower than the increase in body mass; i.e., t ...
... different from that in chick embryos (Fig. 7). In larval Xenopus, absolute stroke volume increases more rapidly than body mass; i.e., the slope of the regression line is > 1 (Table 1). However, in chick embryos, the increase in absolute stroke volume is slower than the increase in body mass; i.e., t ...
Recommendations for the Evaluation of Prosthetic Valves
... stentless bioprosthetic aortic valve would be similar to that for native valves = a rise in mean gradient >15mmHg with stress. • A combination of exact reproduction of symptoms with no wall motion abnormality and a large rise in pressure difference is highly suggestive of abnormal valve dynamics. Pi ...
... stentless bioprosthetic aortic valve would be similar to that for native valves = a rise in mean gradient >15mmHg with stress. • A combination of exact reproduction of symptoms with no wall motion abnormality and a large rise in pressure difference is highly suggestive of abnormal valve dynamics. Pi ...
The endurance athletes heart: acute stress and chronic adaptation
... hemiblock; right ventricular hypertrophy; ventricular preexcitation; complete left or right bundle branch block; long-QT or short-QT interval; and Brugada-like early repolarisation (termed Group 2 ECG changes). These changes should be treated suspiciously for the presence of cardiac pathology and us ...
... hemiblock; right ventricular hypertrophy; ventricular preexcitation; complete left or right bundle branch block; long-QT or short-QT interval; and Brugada-like early repolarisation (termed Group 2 ECG changes). These changes should be treated suspiciously for the presence of cardiac pathology and us ...
Development of the Heart
... Bulbus cordis = primitive heart chamber, it’s distal portion=conus cordis Bulboventricular loop = loop formed when early heart folds upon itself Endocardial cushions = mesenchymal masses that contribute to partitioning of the heart Endocardial tubes = paired tubes that fuse to form the primitive hea ...
... Bulbus cordis = primitive heart chamber, it’s distal portion=conus cordis Bulboventricular loop = loop formed when early heart folds upon itself Endocardial cushions = mesenchymal masses that contribute to partitioning of the heart Endocardial tubes = paired tubes that fuse to form the primitive hea ...
Coronary Artery Disease
... 4. Smoking (most important modifiable risk factor), CAD accounts for 35%-40% of all smoking related deaths 5. Family history of premature coronary artery disease (CAD); First degree male relatives < 55 years or females < 65 years. 6. Obesity (18% of US population) and lack of exercise 7. Male sex an ...
... 4. Smoking (most important modifiable risk factor), CAD accounts for 35%-40% of all smoking related deaths 5. Family history of premature coronary artery disease (CAD); First degree male relatives < 55 years or females < 65 years. 6. Obesity (18% of US population) and lack of exercise 7. Male sex an ...
Continuously transverse scanning of fetal heart for comprehensive
... section of continuously horizontal scan. Normally, when the fetal coronary sinus is narrow, the section of coronary sinus is very hard to be seen. However, when the venous return is abnormal, for example, in the case of intracardiac type drainage pulmonary vein abnormalities, forever left cavity mal ...
... section of continuously horizontal scan. Normally, when the fetal coronary sinus is narrow, the section of coronary sinus is very hard to be seen. However, when the venous return is abnormal, for example, in the case of intracardiac type drainage pulmonary vein abnormalities, forever left cavity mal ...
9. cardiac cycle and heart sounds
... has been filling with blood on top of the closed AV valve, causing atrial pressure to rise gradually (yellow). • The "v" wave is due to the back flow of blood aTer it hits the closed AV va ...
... has been filling with blood on top of the closed AV valve, causing atrial pressure to rise gradually (yellow). • The "v" wave is due to the back flow of blood aTer it hits the closed AV va ...
The Dicrotic Arterial Pulse
... than the control beats (fig. 5). In the absence of muscular subaortic stenosis, the more forceful contraction of the post-premature beat results in an increased stroke volume. Second, in our patients with pulsus alternans, the alternate beats with a higher pressure had a smaller dicrotic wave and a ...
... than the control beats (fig. 5). In the absence of muscular subaortic stenosis, the more forceful contraction of the post-premature beat results in an increased stroke volume. Second, in our patients with pulsus alternans, the alternate beats with a higher pressure had a smaller dicrotic wave and a ...
Print - Circulation
... ABSTRACT To determine the mechanisms by which blood flow increases across the mitral and aortic valves during exercise, 18 normal men were studied during graded supine and upright bicycle exercise at matched workloads. Mitral valve orifice and ascending aortic blood velocities were recorded by Doppl ...
... ABSTRACT To determine the mechanisms by which blood flow increases across the mitral and aortic valves during exercise, 18 normal men were studied during graded supine and upright bicycle exercise at matched workloads. Mitral valve orifice and ascending aortic blood velocities were recorded by Doppl ...
Secundum type atrial septal defect with prolonged PR - Heart
... He had been examined twice as an outpatient in the local hospital 5 and 3 years earlier with the diagnoses: (I958) 'combined aortic stenosis and insufficiency' and (I960) 'mitral heart'. This was based on the findings of both systolic and diastolic murmurs, a pronounced enlargement of the heart, and ...
... He had been examined twice as an outpatient in the local hospital 5 and 3 years earlier with the diagnoses: (I958) 'combined aortic stenosis and insufficiency' and (I960) 'mitral heart'. This was based on the findings of both systolic and diastolic murmurs, a pronounced enlargement of the heart, and ...
Fully automated tracking of cardiac structures using radiopaque
... that—under physiological conditions at rest—beats rhythmically 60–80/min. Under pathophysiological conditions such as e.g. myocardial infarction or cardiomyopathy, geometry, dynamics and function of the heart muscle and valves may alter significantly. To date, many of these alterations are still inc ...
... that—under physiological conditions at rest—beats rhythmically 60–80/min. Under pathophysiological conditions such as e.g. myocardial infarction or cardiomyopathy, geometry, dynamics and function of the heart muscle and valves may alter significantly. To date, many of these alterations are still inc ...
Cardiac function in hereditary transthyretin amyloidosis
... Background: Hereditary transthyretin amyloidosis (ATTR) is a lethal disease in which misfolded transthyretin (TTR) proteins accumulate as insoluble aggregates in tissues throughout the body. A common mutation is the exchange of valine to methionine at place 30 (TTR V30M), a form endemically found in ...
... Background: Hereditary transthyretin amyloidosis (ATTR) is a lethal disease in which misfolded transthyretin (TTR) proteins accumulate as insoluble aggregates in tissues throughout the body. A common mutation is the exchange of valine to methionine at place 30 (TTR V30M), a form endemically found in ...
Homograft Aortic Valve Replacement—The Experience
... 65 years at the time of surgery. Forty-four patients underwent primary homograft replacement (75.8%). The indication for this replacement is shown in Table 1. Fourteen patients (24.1%) underwent redo AVR with a homograft after a previous AVR with a tissue valve. The indication for redo AVR is shown ...
... 65 years at the time of surgery. Forty-four patients underwent primary homograft replacement (75.8%). The indication for this replacement is shown in Table 1. Fourteen patients (24.1%) underwent redo AVR with a homograft after a previous AVR with a tissue valve. The indication for redo AVR is shown ...
A Study of Human Right Ventricular False Tendons: Morphology
... false tendons. The range of length was seen to be between minimum 5mm to maximum 18mm. On gross appearance, false tendons were thin fibrous structures with thickness between 1mm- 4mm and usually directed horizontally with only few obliquely oriented. Most frequently false tendons were located betwee ...
... false tendons. The range of length was seen to be between minimum 5mm to maximum 18mm. On gross appearance, false tendons were thin fibrous structures with thickness between 1mm- 4mm and usually directed horizontally with only few obliquely oriented. Most frequently false tendons were located betwee ...
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.