8. and 9. Stroke Volume, Regulation of Stroke Volume, Cardiac output
... State and describe the determinants of cardiac performance and explain how cardiac output is altered according to tissue demands. Describe the effects of exercise on heart rate and stroke volume. Define and give some causes of pathologically low and high cardiac output. Define and classify heart fai ...
... State and describe the determinants of cardiac performance and explain how cardiac output is altered according to tissue demands. Describe the effects of exercise on heart rate and stroke volume. Define and give some causes of pathologically low and high cardiac output. Define and classify heart fai ...
Post-mortem study of the association between cardiac iron and
... Background: Heart failure related to cardiac siderosis remains a major cause of death in transfusion dependent anaemias. Replacement fibrosis has been reported as causative of heart failure in siderotic cardiomyopathy in historical reports, but these findings do not accord with the reversible nature ...
... Background: Heart failure related to cardiac siderosis remains a major cause of death in transfusion dependent anaemias. Replacement fibrosis has been reported as causative of heart failure in siderotic cardiomyopathy in historical reports, but these findings do not accord with the reversible nature ...
Prognosis of complete versus incomplete
... *Complete revascularisation was defined as treating all present significant coronary artery stenosis ≥70% during primary PCI or before discharge. †Serum total cholesterol ≥230 mg/dL and/or serum triglycerides ≥200 mg/dL or treatment with lipid-lowering drugs. ‡Defined as systolic blood pressure ≥140 ...
... *Complete revascularisation was defined as treating all present significant coronary artery stenosis ≥70% during primary PCI or before discharge. †Serum total cholesterol ≥230 mg/dL and/or serum triglycerides ≥200 mg/dL or treatment with lipid-lowering drugs. ‡Defined as systolic blood pressure ≥140 ...
Conocimiento de la Fibrilación auricular/ Aleteo auricular
... In hemodynamic studies, TIKOSYN had no effect on cardiac output, cardiac index, stroke volume index, or systemic vascular resistance in patients with ventricular tachycardia, mild to moderate congestive heart failure or angina, and either normal or low left ventricular ejection fraction. There was n ...
... In hemodynamic studies, TIKOSYN had no effect on cardiac output, cardiac index, stroke volume index, or systemic vascular resistance in patients with ventricular tachycardia, mild to moderate congestive heart failure or angina, and either normal or low left ventricular ejection fraction. There was n ...
PDF - Circulation: Arrhythmia and Electrophysiology
... shown. NCC indicates noncoronary cusp; RCC, right coronary cusp. Strands of fibrous tissue (white) extend from the annulus of the valvular apparatus toward the base of the trigone. ...
... shown. NCC indicates noncoronary cusp; RCC, right coronary cusp. Strands of fibrous tissue (white) extend from the annulus of the valvular apparatus toward the base of the trigone. ...
Prognostic Factors of the Results of Cardiopulmonary Resuscitation
... first event, and during another hospital admission had another cardiac arrest and died. Only the first cardiac arrest was counted, and the last was recorded as a late death. At the time of the study and according to the recommendation of the American Heart Association, we considered 3 modalities of ...
... first event, and during another hospital admission had another cardiac arrest and died. Only the first cardiac arrest was counted, and the last was recorded as a late death. At the time of the study and according to the recommendation of the American Heart Association, we considered 3 modalities of ...
The european infarction study experience
... of multiform extrasystoles, identified by continuously ob• serving the oscilloscope, was assured by careful inspection of the electrocardiographic strips containing the question• able beats. To avoid misinterpretation of aberrantly con• ducted supraventricular Or fusion beats, the lack of a pre• ced ...
... of multiform extrasystoles, identified by continuously ob• serving the oscilloscope, was assured by careful inspection of the electrocardiographic strips containing the question• able beats. To avoid misinterpretation of aberrantly con• ducted supraventricular Or fusion beats, the lack of a pre• ced ...
Infórmese más acerca de TIKOSYN® (dofetilide)
... In hemodynamic studies, TIKOSYN had no effect on cardiac output, cardiac index, stroke volume index, or systemic vascular resistance in patients with ventricular tachycardia, mild to moderate congestive heart failure or angina, and either normal or low left ventricular ejection fraction. There was n ...
... In hemodynamic studies, TIKOSYN had no effect on cardiac output, cardiac index, stroke volume index, or systemic vascular resistance in patients with ventricular tachycardia, mild to moderate congestive heart failure or angina, and either normal or low left ventricular ejection fraction. There was n ...
Left Ventricular Systolic Function is Sensitive to Cycle
... to the RRp/RRpp ratio and therefore improves ventricular performance. 11,24 This is in line with the present data demonstrating greater sensitivity of normalized EF to the RRp/RRpp ratio at faster heart rates. However, the influence of heart rate was less pronounced in patients with reduced EF than ...
... to the RRp/RRpp ratio and therefore improves ventricular performance. 11,24 This is in line with the present data demonstrating greater sensitivity of normalized EF to the RRp/RRpp ratio at faster heart rates. However, the influence of heart rate was less pronounced in patients with reduced EF than ...
Dobutamine-induced augmentation of left ventricular ejection
... patients who died of progressive heart failure had low left ventricular ejection fraction and low LVEF. This suggests that low inotropic reserve might be a strong predictor of death from progressive pump failure especially in patients with very low left ventricular ejection fraction. The absence of ...
... patients who died of progressive heart failure had low left ventricular ejection fraction and low LVEF. This suggests that low inotropic reserve might be a strong predictor of death from progressive pump failure especially in patients with very low left ventricular ejection fraction. The absence of ...
hoja de instrucciones para el paciente
... accordingly. Approximately 20% of patients in both arms (PREPOPIK, 2L of PEG + E plus two x 5-mg bisacodyl tablets) of clinical trials of PREPOPIK had orthostatic changes (changes in blood pressure and/or heart rate) on the day of colonoscopy. In clinical trials orthostatic changes were documented o ...
... accordingly. Approximately 20% of patients in both arms (PREPOPIK, 2L of PEG + E plus two x 5-mg bisacodyl tablets) of clinical trials of PREPOPIK had orthostatic changes (changes in blood pressure and/or heart rate) on the day of colonoscopy. In clinical trials orthostatic changes were documented o ...
Cardiovascular Effects of Marijuana
... made a clear call to action regarding the need for trials examining safety and efficacy.4 Despite the IOM’s recommendation, few trials have been published. Nevertheless, the idea that marijuana use is safe is deep seated in the public and even among some health-care professionals.5 As such, use of m ...
... made a clear call to action regarding the need for trials examining safety and efficacy.4 Despite the IOM’s recommendation, few trials have been published. Nevertheless, the idea that marijuana use is safe is deep seated in the public and even among some health-care professionals.5 As such, use of m ...
Antianginal (Anti-ischaemic) Drugs
... treatment of variant angina caused by spontaneous coronary spasm. ADR: flushing, headeache, hypotension, and peripheral edema as side effects of its vasodilation activity. The drug may cause reflex tachycardia. Verapamil slows cardiac conduction directly → decreases heart rate and oxygen demand. ADR ...
... treatment of variant angina caused by spontaneous coronary spasm. ADR: flushing, headeache, hypotension, and peripheral edema as side effects of its vasodilation activity. The drug may cause reflex tachycardia. Verapamil slows cardiac conduction directly → decreases heart rate and oxygen demand. ADR ...
Intra Aortic Ballon Pump
... In the early years of IABP - therapy, insertion of the balloon was performed by surgical cut down to the femoral vessels. After a longitudinal incision in the groin, the femoral arteries were identified and controlled. A vascular graft was then sewn to the common femoral artery in an end-to-side fas ...
... In the early years of IABP - therapy, insertion of the balloon was performed by surgical cut down to the femoral vessels. After a longitudinal incision in the groin, the femoral arteries were identified and controlled. A vascular graft was then sewn to the common femoral artery in an end-to-side fas ...
Myocardial Infarction and Stroke Risk in Young Healthy Men Treated
... Copyright © 2015 Robert S. Tan et al. This is an open access article distributed under the Creative Commons Attribution License, which permits unrestricted use, distribution, and reproduction in any medium, provided the original work is properly cited. This study was conducted to examine the associa ...
... Copyright © 2015 Robert S. Tan et al. This is an open access article distributed under the Creative Commons Attribution License, which permits unrestricted use, distribution, and reproduction in any medium, provided the original work is properly cited. This study was conducted to examine the associa ...
Q and A-Heart Electrical System - Adult Congenital Heart Association
... minute (bpm) during periods of relative inactivity. The heart rate can go as high as 170 to 200 bpm during exercise. During sound sleep, it can slow to the low- to mid-40s. My heart is beating too slow; what does this mean? In some congenital heart defects (CHDs), the sinus node is missing or does n ...
... minute (bpm) during periods of relative inactivity. The heart rate can go as high as 170 to 200 bpm during exercise. During sound sleep, it can slow to the low- to mid-40s. My heart is beating too slow; what does this mean? In some congenital heart defects (CHDs), the sinus node is missing or does n ...
Aortic Dissection Involving the Ostium of Left Main Coronary Artery
... Type A AAD is a true surgical emergency, because these patients have a high risk of life-threatening complications including cardiac tamponade, acute aortic regurgitation, coronary flow obstruction, and occlusion of aortic branch vessels. The mortality rate is 1% to 2% per hour early after symptom o ...
... Type A AAD is a true surgical emergency, because these patients have a high risk of life-threatening complications including cardiac tamponade, acute aortic regurgitation, coronary flow obstruction, and occlusion of aortic branch vessels. The mortality rate is 1% to 2% per hour early after symptom o ...
Risk of Arrhythmia Recurrence After Successful Ablation of
... guided by a circular mapping catheter and intracardiac echocardiography at our center. Details of the ablation procedure have been previously described.24 There does not appear to be a relevant influence of age on recurrences of atrial tachycardias after persistent AF ablation as indicated in differ ...
... guided by a circular mapping catheter and intracardiac echocardiography at our center. Details of the ablation procedure have been previously described.24 There does not appear to be a relevant influence of age on recurrences of atrial tachycardias after persistent AF ablation as indicated in differ ...
Anaesthesia in dogs and cats with cardiac disease
... The barbiturate thiopental sensitizes the myocardium to catecholamines, which may cause arrhythmias, even in patients with no heart disease. Thiopental reduces both cardiac output and blood pressure. Pronounced vasodilation may occur, particularly if administered fast [PLUMB, 2005]. The decrease in ...
... The barbiturate thiopental sensitizes the myocardium to catecholamines, which may cause arrhythmias, even in patients with no heart disease. Thiopental reduces both cardiac output and blood pressure. Pronounced vasodilation may occur, particularly if administered fast [PLUMB, 2005]. The decrease in ...
Pediatric Cardiothoracic Surgery
... • Failure of chest tube drainage, antibiotics and fibrinolytics should prompt early discussion with a thoracic surgeon. [D] • Patients should be considered for surgical treatment if they have persisting sepsis in association with a persistent pleural collection, despite chest tube drainage and antib ...
... • Failure of chest tube drainage, antibiotics and fibrinolytics should prompt early discussion with a thoracic surgeon. [D] • Patients should be considered for surgical treatment if they have persisting sepsis in association with a persistent pleural collection, despite chest tube drainage and antib ...
Cardiomyopathies - Society of Cardiovascular Anesthesiologists
... more treatable causes of heart dysfunction (e.g. CAD, valvular heart disease, pericardial disease) is necessary to allow prompt performance of therapeutic procedures (e.g. pericardiectomy for pericarditis) when indicated. Amyloidosis is the most commonly reported etiology of RICM and is caused by a ...
... more treatable causes of heart dysfunction (e.g. CAD, valvular heart disease, pericardial disease) is necessary to allow prompt performance of therapeutic procedures (e.g. pericardiectomy for pericarditis) when indicated. Amyloidosis is the most commonly reported etiology of RICM and is caused by a ...
Coronary CT Subtraction - Toshiba Medical Systems Europe
... stents in left main and proximal to mid left anterior descending artery (2008). During the last month, he presented with atypical chest pain unrelated to physical effort. Baseline ECG did not show repolarization abnormalities. Cardiac computed tomography angiography (CTA) showed previous implanted s ...
... stents in left main and proximal to mid left anterior descending artery (2008). During the last month, he presented with atypical chest pain unrelated to physical effort. Baseline ECG did not show repolarization abnormalities. Cardiac computed tomography angiography (CTA) showed previous implanted s ...
B-type Natriuretic Peptide: A Review of Its Diagnostic
... even experienced physicians disagree on the diagnosis in individual cases, especially mild heart failure. Only 25 to 50 percent of patients with a primary care diagnosis of heart failure had evidence of this disease after further cardiac assessment.9 Several studies have found strong evidence that B ...
... even experienced physicians disagree on the diagnosis in individual cases, especially mild heart failure. Only 25 to 50 percent of patients with a primary care diagnosis of heart failure had evidence of this disease after further cardiac assessment.9 Several studies have found strong evidence that B ...
Phase-contrast MRI volume flow - a acquisitions Linköping University Post Print
... Data analysis was performed on a separate workstation using software from the vendor (Philips Extended MR Workspace, version 2.6.6.3). For flow measurements, an elliptical template covering the aortic perimeter was applied and adapted to the vessel using an active contourseeking algorithm. After man ...
... Data analysis was performed on a separate workstation using software from the vendor (Philips Extended MR Workspace, version 2.6.6.3). For flow measurements, an elliptical template covering the aortic perimeter was applied and adapted to the vessel using an active contourseeking algorithm. After man ...
Prognosis assessment of persistent left bundle branch
... procedure), an intracardiac EPS will be performed via the femoral venous access, under local anaesthesia between D1 and D4 after TAVI implantation. Two quadripolar leads will allow the collection of atrio-Hissian (AH) and HV intervals and the Wenckebach point. In patients with atrial fibrillation, on ...
... procedure), an intracardiac EPS will be performed via the femoral venous access, under local anaesthesia between D1 and D4 after TAVI implantation. Two quadripolar leads will allow the collection of atrio-Hissian (AH) and HV intervals and the Wenckebach point. In patients with atrial fibrillation, on ...