SERIES ‘‘PULMONARY HYPERTENSION: BASIC CONCEPTS FOR PRACTICAL MANAGEMENT’’
... data. New PC-based software solutions with intensity-based thresholding for semiautomated myocardial blood border definition has enabled analysis to become less time-consuming. Impressive results for accuracy have been demonstrated by several investigators in various disease states [11–15]. The inte ...
... data. New PC-based software solutions with intensity-based thresholding for semiautomated myocardial blood border definition has enabled analysis to become less time-consuming. Impressive results for accuracy have been demonstrated by several investigators in various disease states [11–15]. The inte ...
Distance covered during a six-minute walk test predicts long
... condition of the patient, require frequent re-hospitalisation, and are associated with poorer prognosis (Stewart et al 2003, Bleumink et al 2004). The risks of mortality and rehospitalisation are difficult to predict with precision in the population of people with heart failure. Most tests aimed at ...
... condition of the patient, require frequent re-hospitalisation, and are associated with poorer prognosis (Stewart et al 2003, Bleumink et al 2004). The risks of mortality and rehospitalisation are difficult to predict with precision in the population of people with heart failure. Most tests aimed at ...
Electrocardiagram ECG
... 1cm deflection of the pen, when the millivolt button is pushed. The standard sensitivity is 1milivolt. Remember that 1 millivolt = 1cm. So you can change the sensitivity with the sensitivity selector to either 0.5cm or 2cm. When you do this, then 1 millivolt = .5cm or 2cm. This should be done if you ...
... 1cm deflection of the pen, when the millivolt button is pushed. The standard sensitivity is 1milivolt. Remember that 1 millivolt = 1cm. So you can change the sensitivity with the sensitivity selector to either 0.5cm or 2cm. When you do this, then 1 millivolt = .5cm or 2cm. This should be done if you ...
Radiofrequency ablation of premature ventricular contractions
... PVCs with an inferior axis and right bundle branch block QRS morphology (Figure 1). The patient underwent noninvasive mapping using the NEEES (EP Solutions SA, Yverdon-les-Bains, Switzerland) prior to an invasive electrophysiology study. Custom-made magnetic resonance imaging (MRI)-compatible electr ...
... PVCs with an inferior axis and right bundle branch block QRS morphology (Figure 1). The patient underwent noninvasive mapping using the NEEES (EP Solutions SA, Yverdon-les-Bains, Switzerland) prior to an invasive electrophysiology study. Custom-made magnetic resonance imaging (MRI)-compatible electr ...
Anatomy of the Heart
... proceeds, the primitive ventricle develops into the major component of the definitive left ventricle, and the proximal one third of the bulbus cordis gives rise to the major component of the definitive right ventricle. Separate aortic and pulmonary channels are formed by separation of the truncus ar ...
... proceeds, the primitive ventricle develops into the major component of the definitive left ventricle, and the proximal one third of the bulbus cordis gives rise to the major component of the definitive right ventricle. Separate aortic and pulmonary channels are formed by separation of the truncus ar ...
Cardiac Tagging with Breath-Hold Cine MRI
... in Fig. 3a. Setting the gradient amplitude during the rf pulse to zero gives a onedimensional SPAMM sequence (2) and the entire image is tagged. However, the spacing of the tags is determined by the integral of the gradient between the pulses and the sharpness of the tag profile is determined by the ...
... in Fig. 3a. Setting the gradient amplitude during the rf pulse to zero gives a onedimensional SPAMM sequence (2) and the entire image is tagged. However, the spacing of the tags is determined by the integral of the gradient between the pulses and the sharpness of the tag profile is determined by the ...
Diagnosing Secondary Hypertension
... the mechanical and humoral effects of glomerular hypertension. The renal damage decreases the kidneys’ ability to excrete salt and excess fluid (resulting in a low renin state, as opposed to the high renin state found in renovascular hypertension), and the hypertension worsens. As renal damage progr ...
... the mechanical and humoral effects of glomerular hypertension. The renal damage decreases the kidneys’ ability to excrete salt and excess fluid (resulting in a low renin state, as opposed to the high renin state found in renovascular hypertension), and the hypertension worsens. As renal damage progr ...
Congestive Heart Failure
... Avoid spices and mixes with the word “salt” or “sodium” in the name • Never use “salt substitutes” (contain high amounts of potassium instead of salt) ...
... Avoid spices and mixes with the word “salt” or “sodium” in the name • Never use “salt substitutes” (contain high amounts of potassium instead of salt) ...
Print - Circulation
... Background—In individuals without known cardiovascular disease, elevated body mass index (BMI) (weight/height2) is associated with an increased risk of death. However, in patients with certain specific chronic diseases, including heart failure, low BMI has been associated with increased mortality. M ...
... Background—In individuals without known cardiovascular disease, elevated body mass index (BMI) (weight/height2) is associated with an increased risk of death. However, in patients with certain specific chronic diseases, including heart failure, low BMI has been associated with increased mortality. M ...
Delmar`s Fundamentals of Anatomy and Physiology, Second Edition
... • Coronary sinus - drains blood from heart ...
... • Coronary sinus - drains blood from heart ...
Electrical alternansin cardiac tamponade
... in heart rate/alternans rate ratios 2: 1, 3: 1, and 4: 1 (Table III) can be explained by assuming that the frequency of the cardiac cyclic motion is one-half, one-third, and one-quarter respectively of the heart rate (Figs 3, 4, and 5). Likewise a cardiac motion with varying frequency and plane coul ...
... in heart rate/alternans rate ratios 2: 1, 3: 1, and 4: 1 (Table III) can be explained by assuming that the frequency of the cardiac cyclic motion is one-half, one-third, and one-quarter respectively of the heart rate (Figs 3, 4, and 5). Likewise a cardiac motion with varying frequency and plane coul ...
A Neural Network Approach for ECG Classification
... structural PR, syntactic PR etc. [5]) which have been developed over several decades [4]. Neural networks are adaptive machines which have „a natural propensity for storing experiential knowledge and making it available for use‟ [6]. In other words, an artificial neural network is an adaptive mathem ...
... structural PR, syntactic PR etc. [5]) which have been developed over several decades [4]. Neural networks are adaptive machines which have „a natural propensity for storing experiential knowledge and making it available for use‟ [6]. In other words, an artificial neural network is an adaptive mathem ...
Transport of Pharmocokinetic Agents in the Myocardium
... D: diffusion constant in fluid : tortuosity For myocardium, = 2.11. (M. Suenson, D.R. Richmond, J.B. Bassingthwaighte, “Diffusion of sucrose, sodium, and water in ventricular myocardium, American Joural of Physiology,” 227(5), 1974 ) ...
... D: diffusion constant in fluid : tortuosity For myocardium, = 2.11. (M. Suenson, D.R. Richmond, J.B. Bassingthwaighte, “Diffusion of sucrose, sodium, and water in ventricular myocardium, American Joural of Physiology,” 227(5), 1974 ) ...
chronic cor pulmonale
... sensitive and the radiological appearance of a dilated right ventricle is a very late (and inconsistent) sign. The non-invasive diagnosis of pulmonary hypertension is presently based on echocardiography. Continuous wave Doppler echocardiography allows the calculation of the transtricuspid pressure g ...
... sensitive and the radiological appearance of a dilated right ventricle is a very late (and inconsistent) sign. The non-invasive diagnosis of pulmonary hypertension is presently based on echocardiography. Continuous wave Doppler echocardiography allows the calculation of the transtricuspid pressure g ...
16 Myocardial Disease
... therefore be the dominant hydrodynamic mechanism for SAM, although Venturi forces may also contribute as blood velocity in the outflow tract increases during systole. abnormal vascular responses In normal subjects, cardiac output rises during exercise. At high heart rates, filling time is reduced an ...
... therefore be the dominant hydrodynamic mechanism for SAM, although Venturi forces may also contribute as blood velocity in the outflow tract increases during systole. abnormal vascular responses In normal subjects, cardiac output rises during exercise. At high heart rates, filling time is reduced an ...
ANTIARRHYTHMIC DRUGS
... ventricular contractions • Toxicity and Cautions for Class IC Drugs: They are severe proarrhythmic drugs causing severe worsening of a preexisting arrhythmia or de novo occurrence of lifethreatening ventricular tachycardia In patients with frequent PVCs following MI, flecainide increased mortali ...
... ventricular contractions • Toxicity and Cautions for Class IC Drugs: They are severe proarrhythmic drugs causing severe worsening of a preexisting arrhythmia or de novo occurrence of lifethreatening ventricular tachycardia In patients with frequent PVCs following MI, flecainide increased mortali ...
Essential tools for diagnosis of feline heart disease and heart failure
... Dilated cardiomyopathy (DCM) consists of primary systolic myocardial failure. In response to reduced contractility, there is reduced cardiac output, which triggers volume expansion through the renin-angiotensin-aldosterone system, which leads to compensatory development of left ventricular eccentric ...
... Dilated cardiomyopathy (DCM) consists of primary systolic myocardial failure. In response to reduced contractility, there is reduced cardiac output, which triggers volume expansion through the renin-angiotensin-aldosterone system, which leads to compensatory development of left ventricular eccentric ...
Endocarditis - Patient Education Institute
... Endocarditis can also affect other organs in the body, such as the lungs, kidneys, and spleen. A vegetation or blood clot going to the lungs can cause a pulmonary embolism and lung damage. Other lung complications include pneumonia and a buildup of fluid or pus around the lungs. A pulmonary embolis ...
... Endocarditis can also affect other organs in the body, such as the lungs, kidneys, and spleen. A vegetation or blood clot going to the lungs can cause a pulmonary embolism and lung damage. Other lung complications include pneumonia and a buildup of fluid or pus around the lungs. A pulmonary embolis ...
living with heart failure - American Heart Association
... The heart is divided into four chambers or sections called the right and left atrium and the right and left ventricle. These chambers are separated by valves. Valves allow the blood to move from chamber to chamber without backing up. The right upper and lower chambers supply blood to the lungs. The ...
... The heart is divided into four chambers or sections called the right and left atrium and the right and left ventricle. These chambers are separated by valves. Valves allow the blood to move from chamber to chamber without backing up. The right upper and lower chambers supply blood to the lungs. The ...
Read full article - Scientific Works. C Series. Veterinary Medicine
... composing the vascular structure, including the lumen of the vessel; these aspects need to be taken into account with regards to myocardial blood supply. The observations made by our study represent morphological realities that do not exclude the fact that a small number of the examined subjects, re ...
... composing the vascular structure, including the lumen of the vessel; these aspects need to be taken into account with regards to myocardial blood supply. The observations made by our study represent morphological realities that do not exclude the fact that a small number of the examined subjects, re ...
Rheumatic Fever and Heart Disease
... • Symptom: severe cases may cause angina, syncope (fainting), congestive heart failure, L.V. hypertrophy, and sudden death due to arrhythmia. ...
... • Symptom: severe cases may cause angina, syncope (fainting), congestive heart failure, L.V. hypertrophy, and sudden death due to arrhythmia. ...
Lead Extraction in Pediatric and Congenital Heart Disease Patients
... heart disease patients, and given the finite longevity of current lead designs, lead extraction is an eventuality for a significant subset of these patients. Data on the safety and efficacy of different lead extraction techniques in this specific patient population are limited. Methods and Results—W ...
... heart disease patients, and given the finite longevity of current lead designs, lead extraction is an eventuality for a significant subset of these patients. Data on the safety and efficacy of different lead extraction techniques in this specific patient population are limited. Methods and Results—W ...
Atrial Fibrillation Information Sheet
... pumping chambers of the heart via the electrical conducting tissues (wires) of the heart. This allows a natural sequence of contraction where the upper chambers (atria) beat first thus filling the lower chambers (ventricles). This sequence allows priming of the pumping chambers and contributes as mu ...
... pumping chambers of the heart via the electrical conducting tissues (wires) of the heart. This allows a natural sequence of contraction where the upper chambers (atria) beat first thus filling the lower chambers (ventricles). This sequence allows priming of the pumping chambers and contributes as mu ...
Increased mortality among patients taking digoxin—analysis from
... Digoxin has been used worldwide for decades to achieve rate control in patients with AF. Its use in heart failure (HF) dates back centuries but remains controversial,5 due to its narrow therapeutic index and a potential to contribute to lifethreatening ventricular tachyarrhythmias and severe bradyar ...
... Digoxin has been used worldwide for decades to achieve rate control in patients with AF. Its use in heart failure (HF) dates back centuries but remains controversial,5 due to its narrow therapeutic index and a potential to contribute to lifethreatening ventricular tachyarrhythmias and severe bradyar ...