Viability imaging techniques
... the animals were reevaluated 24 hours later (day 2), but resting flow was normal, consistent with myocardial stunning. Function continued to be depressed throughout the study, but resting flow became reduced, consistent with a progression to hibernating myocardium (day 17). Throughout the study, hea ...
... the animals were reevaluated 24 hours later (day 2), but resting flow was normal, consistent with myocardial stunning. Function continued to be depressed throughout the study, but resting flow became reduced, consistent with a progression to hibernating myocardium (day 17). Throughout the study, hea ...
Percutaneous Left-Atrial Appendage Closure Devices For Stroke
... HR=1.95, p=0.05) when procedure-related strokes were included, but had lower rates of hemorrhagic stroke (0.15 events/100 patient-years vs 0.96 events/100 patient-years; HR=0.22; 95% CI, 0.08 to 0.61; p=0.004). PROTECT-AF The first RCT published was the PROTECT-AF study,8 which was a randomized, unb ...
... HR=1.95, p=0.05) when procedure-related strokes were included, but had lower rates of hemorrhagic stroke (0.15 events/100 patient-years vs 0.96 events/100 patient-years; HR=0.22; 95% CI, 0.08 to 0.61; p=0.004). PROTECT-AF The first RCT published was the PROTECT-AF study,8 which was a randomized, unb ...
Salivary Alpha-Amylase Activity, a New Biomarker in Heart Failure?
... Table 2 shows that there was no statistically significant difference between the sAA levels of the two groups at awakening (U=357, z=1.42, p=0.155, r=0.2), 30 min afterwards (U=372, z=1.73, p=0.083, r=0.25) or in the evening (U=306, z=0.37, p=0.711, r=0.05). Although not statistically significant, i ...
... Table 2 shows that there was no statistically significant difference between the sAA levels of the two groups at awakening (U=357, z=1.42, p=0.155, r=0.2), 30 min afterwards (U=372, z=1.73, p=0.083, r=0.25) or in the evening (U=306, z=0.37, p=0.711, r=0.05). Although not statistically significant, i ...
Utility of Right Ventricular Strain Imaging in Predicting Pulmonary
... The primary abnormality in pulmonary hypertension is the increased afterload on the right ventricle due to elevated pulmonary vascular resistance (PVR) caused by the remodeling of the resistance pulmonary arteries. A large number of studies have clearly demonstrated that it is cardiac function that ...
... The primary abnormality in pulmonary hypertension is the increased afterload on the right ventricle due to elevated pulmonary vascular resistance (PVR) caused by the remodeling of the resistance pulmonary arteries. A large number of studies have clearly demonstrated that it is cardiac function that ...
ABIOMED | Impella now approved for cardiogenic shock
... In cardiogenic shock, profound depression of myocardial contractility, results in the vicious spiral of reduced cardiac output (CO), low blood pressure, further coronary insufficiency, and further reduction in contractility and CO.13 Compensatory systemic vasoconstriction with high systemic vascular ...
... In cardiogenic shock, profound depression of myocardial contractility, results in the vicious spiral of reduced cardiac output (CO), low blood pressure, further coronary insufficiency, and further reduction in contractility and CO.13 Compensatory systemic vasoconstriction with high systemic vascular ...
PDF - Circulation: Arrhythmia and Electrophysiology
... Methods and Results—Myocardial infarct was induced by balloon occlusion of the left anterior descending artery in 35 sheep. The 25 survivors underwent programmed ventricular stimulation and electroanatomical mapping 8 days postinfarct. Animals with inducible VT (12 out of 25 animals) underwent immed ...
... Methods and Results—Myocardial infarct was induced by balloon occlusion of the left anterior descending artery in 35 sheep. The 25 survivors underwent programmed ventricular stimulation and electroanatomical mapping 8 days postinfarct. Animals with inducible VT (12 out of 25 animals) underwent immed ...
congenital heart defects and supraventricular tachycardia in
... Because of therapeutic advances during the past 30 years in diagnosis and treatment of CHDs in infants and children, patients are now surviving well into adulthood. In the United States, the population of adults with CHDs is estimated to be about 1 million, increasing at a rate of 5% per year. Becau ...
... Because of therapeutic advances during the past 30 years in diagnosis and treatment of CHDs in infants and children, patients are now surviving well into adulthood. In the United States, the population of adults with CHDs is estimated to be about 1 million, increasing at a rate of 5% per year. Becau ...
Management of New Detected Atrial Fibrillation
... Consistent clinical trial data now show that aggressive rhythm control is not superior to rate control in reducing morbidity or mortality and may be inferior in some patient subgroups. Moreover, patients randomly assigned to aggressive rhythm control (with 1 month of anticoagulation postcardioversio ...
... Consistent clinical trial data now show that aggressive rhythm control is not superior to rate control in reducing morbidity or mortality and may be inferior in some patient subgroups. Moreover, patients randomly assigned to aggressive rhythm control (with 1 month of anticoagulation postcardioversio ...
Ann Intern Med. 2003
... Consistent clinical trial data now show that aggressive rhythm control is not superior to rate control in reducing morbidity or mortality and may be inferior in some patient subgroups. Moreover, patients randomly assigned to aggressive rhythm control (with 1 month of anticoagulation postcardioversio ...
... Consistent clinical trial data now show that aggressive rhythm control is not superior to rate control in reducing morbidity or mortality and may be inferior in some patient subgroups. Moreover, patients randomly assigned to aggressive rhythm control (with 1 month of anticoagulation postcardioversio ...
- Carolina Digital Repository
... increases, exceeds aortic pressure and the aortic valve opens, ejection occurs, LV volume drops and the aortic valve closes (Otto, 2004). LV systolic function is best described by contraction and is affected by heart rate, preload and afterload (Otto, 2004). Optimal performance of the LV is depende ...
... increases, exceeds aortic pressure and the aortic valve opens, ejection occurs, LV volume drops and the aortic valve closes (Otto, 2004). LV systolic function is best described by contraction and is affected by heart rate, preload and afterload (Otto, 2004). Optimal performance of the LV is depende ...
Atrial fibrillation - Heart Rhythm Alliance
... unpleasant side effects, it may be necessary to offer a different solution. Physicians may elect to perform a cardioversion, a procedure in which an electric current is delivered through special gel pads positioned on the chest wall. This is done with the patient under either sedation or general anaest ...
... unpleasant side effects, it may be necessary to offer a different solution. Physicians may elect to perform a cardioversion, a procedure in which an electric current is delivered through special gel pads positioned on the chest wall. This is done with the patient under either sedation or general anaest ...
- St George`s, University of London
... Making the correct diagnosis of long QT syndrome in the athlete can be fraught with difficulty. Firstly, acquired long QT interval requires exclusion of an electrolyte disturbance (e.g. hypokalaemia) or drugs capable of prolonging repolarization. Sports where a weight restriction must be met, such a ...
... Making the correct diagnosis of long QT syndrome in the athlete can be fraught with difficulty. Firstly, acquired long QT interval requires exclusion of an electrolyte disturbance (e.g. hypokalaemia) or drugs capable of prolonging repolarization. Sports where a weight restriction must be met, such a ...
Relationship between 24- hour Holter variables, chest discomfort
... syncope and Holter variables. The latter finding could indicate that 24-hour Holter monitoring may not be an ideal or first hand choice for evaluation of syncope in a non emergent, outpatient setting. Furthermore, some of the the 24-hour heart rate profiles appear to be similar between subjects with ...
... syncope and Holter variables. The latter finding could indicate that 24-hour Holter monitoring may not be an ideal or first hand choice for evaluation of syncope in a non emergent, outpatient setting. Furthermore, some of the the 24-hour heart rate profiles appear to be similar between subjects with ...
3. carditis
... autoallergenami amid altered immune tolerance. In response to autoantigens secondary (only property damage, heart tissue damage or a combination of this with the viral antigen) antibodies formed antikardialnye usually aggressive. The reason for such a state is decreased formation of T-suppressors, w ...
... autoallergenami amid altered immune tolerance. In response to autoantigens secondary (only property damage, heart tissue damage or a combination of this with the viral antigen) antibodies formed antikardialnye usually aggressive. The reason for such a state is decreased formation of T-suppressors, w ...
The DAVID (Dual Chamber and VVI Implantable Defibrillator) II Trial
... Statistical design and analysis. The DAVID II trial was designed as a 1-sided (noninferiority) trial testing the null hypothesis that the effect of atrial pacing, like DDDR-70 in the DAVID trial, will worsen the combined end point of total mortality and heart failure hospitalization, as compared wit ...
... Statistical design and analysis. The DAVID II trial was designed as a 1-sided (noninferiority) trial testing the null hypothesis that the effect of atrial pacing, like DDDR-70 in the DAVID trial, will worsen the combined end point of total mortality and heart failure hospitalization, as compared wit ...
In Vivo Magnetic Resonance Spectroscopy
... heart failure using 31p MRS.17-23 These abnormalities are independent of total limb perfusion,'8'22'23 histochemical changes,20 and muscle mass.21 Whether these metabolic changes result from severe tissue hypoxia caused by a maldistribution of blood flow or inability to use available 02 stores durin ...
... heart failure using 31p MRS.17-23 These abnormalities are independent of total limb perfusion,'8'22'23 histochemical changes,20 and muscle mass.21 Whether these metabolic changes result from severe tissue hypoxia caused by a maldistribution of blood flow or inability to use available 02 stores durin ...
Physiologic Mechanisms Associated with the Trendelenburg Position
... system, any means through which there is an enhancement in venous return should result in an increased left ventricular enddiastolic volume or preload, and, therefore, augment the SV and CO. The intuitive concept behind the potential beneficial effects of the Trendelenburg maneuver is grounded in th ...
... system, any means through which there is an enhancement in venous return should result in an increased left ventricular enddiastolic volume or preload, and, therefore, augment the SV and CO. The intuitive concept behind the potential beneficial effects of the Trendelenburg maneuver is grounded in th ...
Cardiovascular mortality and N-terminal
... this intervention study. All citizens aged between 70 and 88 years (n = 1320) had previously participated in an epidemiological study and had been continuously followed with medical examinations since 1998. A total of 876 people accepted the invitation to that study. We invited these participants to ...
... this intervention study. All citizens aged between 70 and 88 years (n = 1320) had previously participated in an epidemiological study and had been continuously followed with medical examinations since 1998. A total of 876 people accepted the invitation to that study. We invited these participants to ...
IOSR Journal of Dental and Medical Sciences (IOSR-JDMS)
... especially in high risk patients. Similarly, controlling intraocular pressure in paediatric patients with acute glaucoma (congenital/ acquired) and penetrating eye injuries needs attention of the anaesthesiologist. A reflex sympathoadrenal discharge is provoked by laryngotracheal stimulation, due to ...
... especially in high risk patients. Similarly, controlling intraocular pressure in paediatric patients with acute glaucoma (congenital/ acquired) and penetrating eye injuries needs attention of the anaesthesiologist. A reflex sympathoadrenal discharge is provoked by laryngotracheal stimulation, due to ...
... importantly, these tasks depend on alertness and an ability to react to infrequently occurring, unexpected events. While tasks arising at regular intervals can even be performed at decreased levels of vigilance fulfilling the criteria of light sleep [17, 18], this is not the case for unexpected task ...
From Incidental, Mechanically-Induced Arrhythmias to Reflex
... Any accidental insertion of the pacing lead into the pulmonary artery or ventricular outflow tract often results in firing of chaotic premature ventricular beats leading occasionally to critical destabilization of heart rhythm. Supraventricular extrasystoles or premature atrial contractions are inci ...
... Any accidental insertion of the pacing lead into the pulmonary artery or ventricular outflow tract often results in firing of chaotic premature ventricular beats leading occasionally to critical destabilization of heart rhythm. Supraventricular extrasystoles or premature atrial contractions are inci ...
Atrial Fibrillation
... reduced and often congestive heart failure develops or recurs. These pets usually have very fast heart rate (more than 200 beats per min) which, if not controlled, can lead to additional heart muscle damage and dysfunction. How Is Atrial Fibrillation Treated? ...
... reduced and often congestive heart failure develops or recurs. These pets usually have very fast heart rate (more than 200 beats per min) which, if not controlled, can lead to additional heart muscle damage and dysfunction. How Is Atrial Fibrillation Treated? ...
Chest X-ray
... • Large effusions are uncommon and spontaneous resolution usually occurs in a few days. • Dressler syndrome occurs weeks to several months after myocardial infarction or open heart surgery, may be recurrent and probably represents an autoimmune syndrome. • Patients present with typical pain, fever, ...
... • Large effusions are uncommon and spontaneous resolution usually occurs in a few days. • Dressler syndrome occurs weeks to several months after myocardial infarction or open heart surgery, may be recurrent and probably represents an autoimmune syndrome. • Patients present with typical pain, fever, ...
Thermal Therapy Improves Left Ventricular Diastolic Function in
... patients with congestive heart failure using pulsed and tissue Doppler echocardiography. Results. Left ventricular and left atrial dimensions and left ventricular percentage fractional shortening did not change after sauna. Early diastolic mitral inflow velocity （E）increased and the deceleration tim ...
... patients with congestive heart failure using pulsed and tissue Doppler echocardiography. Results. Left ventricular and left atrial dimensions and left ventricular percentage fractional shortening did not change after sauna. Early diastolic mitral inflow velocity （E）increased and the deceleration tim ...
Effect of Hydroxyethyl Starch 130/0.4 on Blood Loss and - J
... Background: Hydroxyethyl starch (HES) solutions are often used for maintaining intravascular volume and improving microperfusion, while a large amount of HES can cause adverse effects on coagulation. As the indications for clopidogrel expand, an increasing number of patients undergoing off-pump cor ...
... Background: Hydroxyethyl starch (HES) solutions are often used for maintaining intravascular volume and improving microperfusion, while a large amount of HES can cause adverse effects on coagulation. As the indications for clopidogrel expand, an increasing number of patients undergoing off-pump cor ...