Heart failure from heart muscle disease in childhood: a 5–10 year
... Aims Our original study, the first national prospective study of new-onset heart failure from heart muscle disease in children, showed overall 1-year survival of 82%, and event (death or transplantation)-free survival of 66%. This study aimed to evaluate 5 + year outcomes of this important cohort. Me ...
... Aims Our original study, the first national prospective study of new-onset heart failure from heart muscle disease in children, showed overall 1-year survival of 82%, and event (death or transplantation)-free survival of 66%. This study aimed to evaluate 5 + year outcomes of this important cohort. Me ...
Symptoms, Adverse Effects, and Complications
... patients who cannot exercise adequately. In addition, new applications of the technique are being investigated in a broad spectrum of patients, including those with advanced coronary artery disease and recent myocardial infarction. The growing acceptance of dobutamine stress as a clinical and invest ...
... patients who cannot exercise adequately. In addition, new applications of the technique are being investigated in a broad spectrum of patients, including those with advanced coronary artery disease and recent myocardial infarction. The growing acceptance of dobutamine stress as a clinical and invest ...
Neoplasms involving the heart, their simulators
... Cardiac neoplasms may involve only the endocardium, only the myocardium, only the epicardium, or any combination of these (Figure 1). By far the most common location of metastatic cardiac neoplasm is the epicardium. Neoplasms limited to parietal pericardium without extension into the epicardium are ...
... Cardiac neoplasms may involve only the endocardium, only the myocardium, only the epicardium, or any combination of these (Figure 1). By far the most common location of metastatic cardiac neoplasm is the epicardium. Neoplasms limited to parietal pericardium without extension into the epicardium are ...
“Diastolic heart failure” or heart failure caused by - Heart
... of having this syndrome have alternative explanations for their symptoms (such as chronic lung disease, myocardial ischaemia, obesity) and may not have heart failure at all.16 Even among those who do, there is difficulty in deciding whether “diastolic dysfunction” is present because there are few ag ...
... of having this syndrome have alternative explanations for their symptoms (such as chronic lung disease, myocardial ischaemia, obesity) and may not have heart failure at all.16 Even among those who do, there is difficulty in deciding whether “diastolic dysfunction” is present because there are few ag ...
Relationship of Number of Phases per Cardiac Cycle and Accuracy
... lower and higher heart rates. All comparisons were two-tailed, and a p value of < 0.05 was considered as statistically significant. Figure 3. Relative change (delta) of the timing of enddiastole (ED) and end-systole (ES) for acquisitions using 8, 11, 14, and 17 phases per cardiac cycle, compared to ...
... lower and higher heart rates. All comparisons were two-tailed, and a p value of < 0.05 was considered as statistically significant. Figure 3. Relative change (delta) of the timing of enddiastole (ED) and end-systole (ES) for acquisitions using 8, 11, 14, and 17 phases per cardiac cycle, compared to ...
THE ELECTROCARDIOGRAM, PRINCIPLES AND RECORDING
... function of time on the axis corresponding to a lead is the ECG trace recorded in that particular lead. If the orientation of the projected vector corresponds to the orientation of the axis, a positive wave is recorded, if opposite, then a negative wave is recorded. Because the human body is a non-h ...
... function of time on the axis corresponding to a lead is the ECG trace recorded in that particular lead. If the orientation of the projected vector corresponds to the orientation of the axis, a positive wave is recorded, if opposite, then a negative wave is recorded. Because the human body is a non-h ...
Novel Techniques for Characterizing Myocardial Structure and
... for the quantification of ventricular function. Recently new technologies have become available that allow for more accurate quantification of global and regional ventricular function: contrast echocardiography, 3D echocardiography, tissue Doppler imaging, Doppler Strain imaging and speckle tracking ...
... for the quantification of ventricular function. Recently new technologies have become available that allow for more accurate quantification of global and regional ventricular function: contrast echocardiography, 3D echocardiography, tissue Doppler imaging, Doppler Strain imaging and speckle tracking ...
Pulmonary Function Testing and Outcomes in
... failure were reported to have more severe abnormalities than those with milder presentations.12,17 Impaired pulmonary function has also been proposed as a cardiovascular risk factor18 and has been associated with all-cause and cardiovascular mortality.19,20 Specifically to heart failure, spirometric ...
... failure were reported to have more severe abnormalities than those with milder presentations.12,17 Impaired pulmonary function has also been proposed as a cardiovascular risk factor18 and has been associated with all-cause and cardiovascular mortality.19,20 Specifically to heart failure, spirometric ...
Ventricular Arrhythmias in the Absence of Structural Heart Disease
... Patients with ventricular arrhythmia (VA) require an evaluation to determine if structural heart disease is present (1). In addition to a complete history and physical examination, all patients should receive a 12-lead electrocardiogram (ECG), 2-dimensional echocardiogram, and exercise testing if th ...
... Patients with ventricular arrhythmia (VA) require an evaluation to determine if structural heart disease is present (1). In addition to a complete history and physical examination, all patients should receive a 12-lead electrocardiogram (ECG), 2-dimensional echocardiogram, and exercise testing if th ...
Heart Failure with Preserved Ejection Fraction
... Years backwards, the treatment of the heart failure was directed towards treatment of systolic dysfunction [3]. Historically viewed, a systolic dysfunction with EF < 45% was considered for heart failure. In line with Roelandt, the first association between myocardial relaxation and ventricular funct ...
... Years backwards, the treatment of the heart failure was directed towards treatment of systolic dysfunction [3]. Historically viewed, a systolic dysfunction with EF < 45% was considered for heart failure. In line with Roelandt, the first association between myocardial relaxation and ventricular funct ...
Relative Dipolar Behavior of the Equivalent T Wave Generator
... potentials for each 1-msec interval of QRS, and each 3msec interval of ST-T. This procedure amounts to a sixparameter fit of chamber surface voltages, three of the parameters being the orthogonal components of dipole moment, and the remaining three being the corresponding components of dipole locati ...
... potentials for each 1-msec interval of QRS, and each 3msec interval of ST-T. This procedure amounts to a sixparameter fit of chamber surface voltages, three of the parameters being the orthogonal components of dipole moment, and the remaining three being the corresponding components of dipole locati ...
Document
... detect abnormalities of the heart chambers. The physician listens to the heart with a stethoscope to detect abnormal heart rhythms and heart sounds. A heart murmur might mean that the heart valves are not closing properly due tothe ventricles being enlarged. A chest x ray can show if the heart is en ...
... detect abnormalities of the heart chambers. The physician listens to the heart with a stethoscope to detect abnormal heart rhythms and heart sounds. A heart murmur might mean that the heart valves are not closing properly due tothe ventricles being enlarged. A chest x ray can show if the heart is en ...
Neurocardiogenic syncope
... Summary Mechanism of tilt induced syncope Bezold-Jarisch Reflex Venous pooling - Vigorously contracting yet small sized ventricle Ventricular mechanoreceptor stimulation muscle bed vasodilatation and cardiac slowing ...
... Summary Mechanism of tilt induced syncope Bezold-Jarisch Reflex Venous pooling - Vigorously contracting yet small sized ventricle Ventricular mechanoreceptor stimulation muscle bed vasodilatation and cardiac slowing ...
Impaired Post Exercise Heart Rate Recovery in Anabolic Steroid Users ▼ 931
... central cardiovascular regulatory region stimulating the sympathetic activity [21]. The chronic hypothalamic stimulation can lead to autonomic cardiovascular instability [7] and hypertension. Increased blood pressure levels have been reported in AAS users. These hemodynamic alterations are, in fact, ...
... central cardiovascular regulatory region stimulating the sympathetic activity [21]. The chronic hypothalamic stimulation can lead to autonomic cardiovascular instability [7] and hypertension. Increased blood pressure levels have been reported in AAS users. These hemodynamic alterations are, in fact, ...
Amiodarone - Health Sciences North
... Amiodarone Hydrochloride for Injection is indicated for initiation of treatment of documented, life-threatening, frequently recurring ventricular fibrillation and hemodynamically unstable ventricular tachycardia in patients refractory to all other treatment. Additionally, intravenous amiodarone can ...
... Amiodarone Hydrochloride for Injection is indicated for initiation of treatment of documented, life-threatening, frequently recurring ventricular fibrillation and hemodynamically unstable ventricular tachycardia in patients refractory to all other treatment. Additionally, intravenous amiodarone can ...
Risk of Ventricular Arrhythmia After Implantable Defibrillator
... (1,5). Moreover, sudden cardiac death caused by ventricular arrhythmias may still occur in a small proportion of ICD patients (6), which points out the importance of studying triggers and risk factors of ventricular arrhythmias after ICD treatment. Clinical risk factors for ventricular arrhythmia in ...
... (1,5). Moreover, sudden cardiac death caused by ventricular arrhythmias may still occur in a small proportion of ICD patients (6), which points out the importance of studying triggers and risk factors of ventricular arrhythmias after ICD treatment. Clinical risk factors for ventricular arrhythmia in ...
Intrinsic Conduction System
... Ectopic focus – abnormal overly excitable area begins to depolarizes faster than the SA node Can lead to a premature heartbeat (extrasystole) and/or accelerated heart rate ...
... Ectopic focus – abnormal overly excitable area begins to depolarizes faster than the SA node Can lead to a premature heartbeat (extrasystole) and/or accelerated heart rate ...
Long-term prognostic value of resting heart rate in
... 24 959). From this pool of patients, those meeting specific selection criteria were randomized into medical and surgical treatment groups. This study focuses on all patients included in the registry. A detailed description of CASS has been published elsewhere.30 The registry at each participating cen ...
... 24 959). From this pool of patients, those meeting specific selection criteria were randomized into medical and surgical treatment groups. This study focuses on all patients included in the registry. A detailed description of CASS has been published elsewhere.30 The registry at each participating cen ...
Heart Rate, Body Temperature and Physical Activity Are Variously
... underlie the bradycardia observed in ALX-induced diabetic heart. It should be noted however, that some studies have reported no effects of ALX on resting heart rate (Lee et al. 1989, Zola et al. 1988). A recent study demonstrated that perfusion of the isolated heart with ALX caused a reduction in he ...
... underlie the bradycardia observed in ALX-induced diabetic heart. It should be noted however, that some studies have reported no effects of ALX on resting heart rate (Lee et al. 1989, Zola et al. 1988). A recent study demonstrated that perfusion of the isolated heart with ALX caused a reduction in he ...
Cardiac Resynchronization Therapy (CRT)
... First, an incision is made in the skin below the collarbone. This creates a small “pocket” to hold the device. A lead is threaded through the incision into a vein in the upper chest. With the help of x-ray monitors, the lead is then guided into a vein on the back surface of the left ventricle. Con ...
... First, an incision is made in the skin below the collarbone. This creates a small “pocket” to hold the device. A lead is threaded through the incision into a vein in the upper chest. With the help of x-ray monitors, the lead is then guided into a vein on the back surface of the left ventricle. Con ...
The efficacy and safety of Crataegus extract WS® 1442 in patients
... both screening and baseline, with the difference between both visits not exceeding 1 min. There were no restrictions regarding ethnic groups. Patients suffering from chronic heart failure attributable to haemodynamically significant valvular disease, with a history of cardiac arrest or symptomatic s ...
... both screening and baseline, with the difference between both visits not exceeding 1 min. There were no restrictions regarding ethnic groups. Patients suffering from chronic heart failure attributable to haemodynamically significant valvular disease, with a history of cardiac arrest or symptomatic s ...
Titanium dioxide nanoparticles promote arrhythmias via a direct
... AFM imaging revealed that a relevant fraction of TiO2-NPs had a diameter <100 nm (Figure 1A): specifically, single NPs had a diameter in the 25–35 nm range (Figure 1B); the overall size distribution frequency of the NPs is given in Figure 1C. In addition, NP aggregates of variable size and morpholog ...
... AFM imaging revealed that a relevant fraction of TiO2-NPs had a diameter <100 nm (Figure 1A): specifically, single NPs had a diameter in the 25–35 nm range (Figure 1B); the overall size distribution frequency of the NPs is given in Figure 1C. In addition, NP aggregates of variable size and morpholog ...
Attention Deficit Hyperactivity Disorder
... Adderall XR is contraindicated in patients with symptomatic cardiovascular disease and moderate to severe hypertension. Adderall XR generally should not be used in those with structural cardiac abnormalities. ...
... Adderall XR is contraindicated in patients with symptomatic cardiovascular disease and moderate to severe hypertension. Adderall XR generally should not be used in those with structural cardiac abnormalities. ...