Isolated Ventricular Systolic Interaction During
... into the VAD; thus, the initial rise in LV pressure in the unloaded beat was unchanged (Figure 3, top left panel). Once VAD flow was established, LV pressure fell progressively throughout systole, ending at a value somewhat below that of the previous end diastole. Concomitant reductions in systolic ...
... into the VAD; thus, the initial rise in LV pressure in the unloaded beat was unchanged (Figure 3, top left panel). Once VAD flow was established, LV pressure fell progressively throughout systole, ending at a value somewhat below that of the previous end diastole. Concomitant reductions in systolic ...
Echocardiographic assessment of left ventricular diastolic function
... remains the cornerstone of diastolic evaluation. Several parameters can be derived from mitral inflow velocities, which are useful for this evaluation. These include early diastolic transmitral velocity (E), late diastolic transmitral velocity (A) recorded at the tips of mitral valve from an apical ...
... remains the cornerstone of diastolic evaluation. Several parameters can be derived from mitral inflow velocities, which are useful for this evaluation. These include early diastolic transmitral velocity (E), late diastolic transmitral velocity (A) recorded at the tips of mitral valve from an apical ...
percutaneous coronary intervention in patients with atrial
... risk of major bleeding (I). Uninterrupted warfarin treatment did not increase perioperative complications and seemed to decrease bleeding complications compared to heparin bridging (II). Already mild renal impairment (eGFR 60– 90mL/min) was associated with a 2.3‐fol ...
... risk of major bleeding (I). Uninterrupted warfarin treatment did not increase perioperative complications and seemed to decrease bleeding complications compared to heparin bridging (II). Already mild renal impairment (eGFR 60– 90mL/min) was associated with a 2.3‐fol ...
Echocardiographic Evaluation of Left Ventricular Diastolic Function
... Ph: +91-0145-2421988, Email: [email protected] ...
... Ph: +91-0145-2421988, Email: [email protected] ...
View/Open
... decreased with PDE 1U inhibitor. Thus Ea/Emax was decreased by all inotropic agents but to the greatest extent by PDE III inhibitor"). In this ventriculoarterial coupling, the arterial system is treated as if the elastic chamber has volume elastance Ea just as the left ventricle is treated as an ela ...
... decreased with PDE 1U inhibitor. Thus Ea/Emax was decreased by all inotropic agents but to the greatest extent by PDE III inhibitor"). In this ventriculoarterial coupling, the arterial system is treated as if the elastic chamber has volume elastance Ea just as the left ventricle is treated as an ela ...
Pacemakers and ICDs-2012 - UCSF Department of Anesthesia and
... pacing philosophies, and you will certainly learn first hand to use different temporary pacemakers. A subject of some interest is how to use temporary pacemaker leads to diagnose the mechanisms of arrhythmias, then when, and how, to use a temporary pacemaker to treat some tachycardias. If there’s in ...
... pacing philosophies, and you will certainly learn first hand to use different temporary pacemakers. A subject of some interest is how to use temporary pacemaker leads to diagnose the mechanisms of arrhythmias, then when, and how, to use a temporary pacemaker to treat some tachycardias. If there’s in ...
Kavasmaa, Mervi Haapsamo, Luc Mertens and James
... volume blood flow (Quta). Bupivacaine (0.5%) was administered through the epidural catheter to a total dose of 0.3 ml/kg maternal body wt 2 min after an initial test dose of 5 ml, and hypotension was allowed to develop to a ⱖ20% decrease in maternal systolic BP. The criteria for fetal metabolic acid ...
... volume blood flow (Quta). Bupivacaine (0.5%) was administered through the epidural catheter to a total dose of 0.3 ml/kg maternal body wt 2 min after an initial test dose of 5 ml, and hypotension was allowed to develop to a ⱖ20% decrease in maternal systolic BP. The criteria for fetal metabolic acid ...
Bradycardia-dependent triggered activity: relevance
... ABSTRACT We used cesium chloride (CsCI) for electrophysiologic studies in canine hearts in vivo and in vitro to examine the mechanisms underlying ventricular arrhythmias that are related to prolonged repolarization. Cesium is known to depress normal ventricular automaticity and some experimental arr ...
... ABSTRACT We used cesium chloride (CsCI) for electrophysiologic studies in canine hearts in vivo and in vitro to examine the mechanisms underlying ventricular arrhythmias that are related to prolonged repolarization. Cesium is known to depress normal ventricular automaticity and some experimental arr ...
Wound model of myocardial infarction - AJP
... teinases (7, 14, 19, 21). However, others reported a reduction of metalloproteinase activity by another endothelin A receptor antagonist (21). Nevertheless, principles inhibiting the reninangiotensin system have been used successfully in patients with myocardial infarction. However, a large trial in ...
... teinases (7, 14, 19, 21). However, others reported a reduction of metalloproteinase activity by another endothelin A receptor antagonist (21). Nevertheless, principles inhibiting the reninangiotensin system have been used successfully in patients with myocardial infarction. However, a large trial in ...
How to diagnose diastolic heart failure: a consensus
... failure (DHF).1 At that time, DHF was presumed to account for approximately one-third of all patients with heart failure and its natural history was considered to be more benign than systolic heart failure (SHF) with a lower mortality and morbidity rate.2–7 Over the last two decades, these perspecti ...
... failure (DHF).1 At that time, DHF was presumed to account for approximately one-third of all patients with heart failure and its natural history was considered to be more benign than systolic heart failure (SHF) with a lower mortality and morbidity rate.2–7 Over the last two decades, these perspecti ...
How to diagnose diastolic heart failure: a consensus statement on
... required. This re-appraisal should address the critiques, which have been phrased concerning the original set of criteria, and should accommodate new pathophysiological insights, modern cardiac imaging technology, and the widespread clinical use of heart failure biomarkers. ...
... required. This re-appraisal should address the critiques, which have been phrased concerning the original set of criteria, and should accommodate new pathophysiological insights, modern cardiac imaging technology, and the widespread clinical use of heart failure biomarkers. ...
How to diagnose diastolic heart failure: a consensus statement on
... and to identify patient characteristics, such as female gender,50 regular aerobic exercise,51 chronic alcohol ingestion,52 genetic background,53 and comorbidities, such as diabetes,54,55 that may prevent or retard the evolution from HFNEF to HFREF. Structural, functional, and molecular biological ar ...
... and to identify patient characteristics, such as female gender,50 regular aerobic exercise,51 chronic alcohol ingestion,52 genetic background,53 and comorbidities, such as diabetes,54,55 that may prevent or retard the evolution from HFNEF to HFREF. Structural, functional, and molecular biological ar ...
Attenuation of the Negative Inotropic Effects of Metoprolol at
... inotropic effects of metoprolol, sotalol, and verapamil in patients with ischemic heart disease. BACKGROUND The long-term symptomatic and prognostic effects of antiarrhythmic agents are not easily predicted on the basis of acute hemodynamic actions at rest, but may be unmasked during tachycardia. Ho ...
... inotropic effects of metoprolol, sotalol, and verapamil in patients with ischemic heart disease. BACKGROUND The long-term symptomatic and prognostic effects of antiarrhythmic agents are not easily predicted on the basis of acute hemodynamic actions at rest, but may be unmasked during tachycardia. Ho ...
Analysis of Left Ventricular Wall Motion by Reflected
... evaluation but found to have no clinical evidence of heart disease. There were 11 males and nine females, with an average age of 27.0 years (range 13-50). Three additional patients were studied but excluded from analysis because it was not possible to obtain technically satisfactory simultaneous rec ...
... evaluation but found to have no clinical evidence of heart disease. There were 11 males and nine females, with an average age of 27.0 years (range 13-50). Three additional patients were studied but excluded from analysis because it was not possible to obtain technically satisfactory simultaneous rec ...
High Density Lipoprotein Cholesterol in Coronary - J
... HDL-C developed CAD and cardiac events in a similar way to those with low HDL-C. A possible explanation is that our data paradoxically confirm the protective role of HDL-C, because patients with elevated HDL-C and CAD were 3 and 5 years older than those with normal or low HDL-C, respectively. Thus, ...
... HDL-C developed CAD and cardiac events in a similar way to those with low HDL-C. A possible explanation is that our data paradoxically confirm the protective role of HDL-C, because patients with elevated HDL-C and CAD were 3 and 5 years older than those with normal or low HDL-C, respectively. Thus, ...
Single-Beat Noninvasive Imaging of Cardiac
... Position error of NICE-based activation time imaging. The mean distance from the successful ablation site (indicating the anatomical insertion site of the accessory pathway) to the surface of the ventricular model was 5 ⫾ 3 mm. This parameter is an estimation of the error introduced by geometrically ...
... Position error of NICE-based activation time imaging. The mean distance from the successful ablation site (indicating the anatomical insertion site of the accessory pathway) to the surface of the ventricular model was 5 ⫾ 3 mm. This parameter is an estimation of the error introduced by geometrically ...
Syncope - OSU CCME account - The Ohio State University
... 9 Various studies report 8% to 37% (mean 18%) of cases of syncope (Linzer 1997) • In general: 9 VVS patients younger than CSS patients 9 Ages range from adolescence to elderly (median 43 years) 9 Pallor, nausea, sweating, palpitations are common 9 Amnesia for warning symptoms in older patients ...
... 9 Various studies report 8% to 37% (mean 18%) of cases of syncope (Linzer 1997) • In general: 9 VVS patients younger than CSS patients 9 Ages range from adolescence to elderly (median 43 years) 9 Pallor, nausea, sweating, palpitations are common 9 Amnesia for warning symptoms in older patients ...
Canadian Cardiovascular Society Guidelines on Perioperative
... complications), identified topics and working groups, searched the literature, developed the summary of findings and GRADE quality assessment tables, voted on the recommendations, and wrote the guidelines. The secondary panel reviewed the guidelines manuscript and made suggested edits and comments, wh ...
... complications), identified topics and working groups, searched the literature, developed the summary of findings and GRADE quality assessment tables, voted on the recommendations, and wrote the guidelines. The secondary panel reviewed the guidelines manuscript and made suggested edits and comments, wh ...
the PDF - Heart Rhythm Society
... approaches to LAA occlusion have been developed through multiple pathways, including the off-label use of FDA-approved devices (LARIAT and atrial or ventricular septal defect closure devices), the use of devices for LAA occlusion available in other countries through their regulatory pathways, and th ...
... approaches to LAA occlusion have been developed through multiple pathways, including the off-label use of FDA-approved devices (LARIAT and atrial or ventricular septal defect closure devices), the use of devices for LAA occlusion available in other countries through their regulatory pathways, and th ...
Print - Circulation
... atrial fibrillation when shocks are synchronized to the R wave and delivered transthoracically. However, others have shown that during attempted transvenous cardioversion of rapid ventricular tachycardia, ventricular fibrillation (VF) may be induced. It was our objective to evaluate conditions (shor ...
... atrial fibrillation when shocks are synchronized to the R wave and delivered transthoracically. However, others have shown that during attempted transvenous cardioversion of rapid ventricular tachycardia, ventricular fibrillation (VF) may be induced. It was our objective to evaluate conditions (shor ...
Exercise and Blood Pressure
... remain unclear. To determine the role of skeletal muscle for the cardioventilatory response to exercise, 8 healthy young men were studied before and after 5 weeks of 1-legged knee-extensor training and 2 weeks of deconditioning of the other leg (leg cast). Hemodynamics and muscle interstitial nucleo ...
... remain unclear. To determine the role of skeletal muscle for the cardioventilatory response to exercise, 8 healthy young men were studied before and after 5 weeks of 1-legged knee-extensor training and 2 weeks of deconditioning of the other leg (leg cast). Hemodynamics and muscle interstitial nucleo ...
Myocardial oxygen consumption, oxygen supply/demand
... blood flow. The fresh tissue and photographs were inspected to identify unstained areas that represented myocardial necrosis. A second group of five dogs underwent the identical instrumentation and repetitive coronary occlusion protocol. Ninety minutes after stunning was produced the sonomicrometer ...
... blood flow. The fresh tissue and photographs were inspected to identify unstained areas that represented myocardial necrosis. A second group of five dogs underwent the identical instrumentation and repetitive coronary occlusion protocol. Ninety minutes after stunning was produced the sonomicrometer ...
Left ventricular ejection time
... study was to evaluate the role of myocardial function in determining PWV under resting conditions and under adrenergic stimulation. Design and methods Hemodynamic parameters were investigated under resting conditions in 102 young, healthy males and under stimulation of either - or Æ2 adrenoceptors ...
... study was to evaluate the role of myocardial function in determining PWV under resting conditions and under adrenergic stimulation. Design and methods Hemodynamic parameters were investigated under resting conditions in 102 young, healthy males and under stimulation of either - or Æ2 adrenoceptors ...
Effect of changes in contractility on the index of myocardial
... recover without any dog succumbing. The dogs were followed carefully for 8 weeks prior to re-study. This time period was chosen as this model has previously demon- ...
... recover without any dog succumbing. The dogs were followed carefully for 8 weeks prior to re-study. This time period was chosen as this model has previously demon- ...
Interpreting AV (Heart) Blocks: Breaking Down the Mystery 2 Contact Hours
... The Purkinje fibers penetrate 1/4 to 1/3 of the way into the ventricular muscle mass and then become continuous with the cardiac muscle fibers. The electrical impulse spreads rapidly through the right and left bundle branches and Purkinje fibers to reach the ventricular muscle, causing ventricular c ...
... The Purkinje fibers penetrate 1/4 to 1/3 of the way into the ventricular muscle mass and then become continuous with the cardiac muscle fibers. The electrical impulse spreads rapidly through the right and left bundle branches and Purkinje fibers to reach the ventricular muscle, causing ventricular c ...