Atrioventricular nodal reentrant tachycardia. Electrophysiologic characteristics, therapeutic interventions, and specific reference to anatomic boundary of the reentrant circuit.

abstract：:The differentiation of restrictive cardiomyopathy from pericardial constriction remains a difficult clinical problem. Although the historical, noninvasive, and hemodynamic and angiographic features discussed here provide poor discriminating value when considered individually, a combination of clues may suggest one dia...

journal_title：Cardiology clinics

authors： Schoenfeld MH

更新日期：1990-11-01 00:00:00

abstract：:Balloon floatation pulmonary artery catheters (PACs) have been used for hemodynamic monitoring in cardiac, medical, and surgical intensive care units since the 1970s. With the availability of newer noninvasive diagnostic modalities, particularly echocardiography, the frequency of diagnostic pulmonary artery catheteriz...

journal_title：Cardiology clinics

authors： Gidwani UK,Mohanty B,Chatterjee K

更新日期：2013-11-01 00:00:00

abstract：:Following the development of the first automated methods in the 1980s, quantitative coronary angiography (QCA) has undergone substantial evolution from simplistic computer-assisted methods of visual interpretation of coronary angiograms to recently introduced three-dimensional reconstruction and quantitative analysis ...

journal_title：Cardiology clinics

authors： Pantos I,Efstathopoulos EP,Katritsis DG

更新日期：2009-08-01 00:00:00

abstract：:Addressing the psychosocial concerns of the growing population of adults with congenital heart disease presents a unique challenge to health care providers. These patients frequently need information about their disease with emphasis on how it may affect their sexuality, childbearing, and risk of having children with ...

journal_title：Cardiology clinics

authors： Hart EM,Garson A Jr

更新日期：1993-11-01 00:00:00

abstract：:In the 1960s, when LVADs and TAHs were introduced into clinical use, researchers estimated that, with this technology, the problem of heart failure could be solved within 20 years. Unfortunately, the evolution of these devices has taken much longer than anticipated. Nevertheless, significant advances have been achieve...

journal_title：Cardiology clinics

authors： Frazier OH

更新日期：2003-02-01 00:00:00

abstract：:In this article, the author sought to review the two primary components of diastolic function that are most directly and accurately determined using invasive methodologies. For chamber relaxation this is optimally achieved using a micromanometer catheter, whereas for chamber compliance (or its inverse stiffness) this ...

journal_title：Cardiology clinics

authors： Kass DA

更新日期：2000-08-01 00:00:00

abstract：:Exercise training can have a profound effect on cardiac structure. Recent evidence suggests that the greatest determinants of exercise-induced cardiac remodeling are the intensity, duration, and frequency of training. This also has overlap with athlete fitness. There are many additional factors that are important in d...

journal_title：Cardiology clinics

authors： Beaudry R,Haykowsky MJ,Baggish A,La Gerche A

更新日期：2016-11-01 00:00:00

abstract：:The Fontan operation is a unique approach to create a circulation in series without 2 distinct pumping chambers. Although the approach has enabled many patients to live well into adulthood, the unique physiology results in many complications, cardiac and extracardiac. This review focuses on the pathophysiology of the ...

journal_title：Cardiology clinics

authors： John AS

更新日期：2015-11-01 00:00:00

abstract：:The major adaptations of the maternal cardiovascular system that progress throughout gestation may unmask previously unrecognized heart disease and result in significant morbidity and mortality. Most of these changes are almost fully reversed in the weeks and months after delivery. Hemodynamic changes during pregnancy...

journal_title：Cardiology clinics

authors： Ouzounian JG,Elkayam U

更新日期：2012-08-01 00:00:00

abstract：:Although it is convenient to think of hypertension in its renal, epidemiologic, and vascular eras, a new perspective is rapidly coming to the forefront. As we become more critical in evaluating the performance of our health care systems, it is obvious that the major problems in hypertension do not lie entirely with un...

journal_title：Cardiology clinics

authors： Weber MA

更新日期：1995-11-01 00:00:00

abstract：:Coronary artery bypass grafting (CAGB) is superior to percutaneous coronary intervention (PCI) in reducing mortality in certain patients and improving the composite end points of angina, recurrent myocardial infarction, and repeat revascularization procedures. However, CABG is associated with a higher perioperative st...

journal_title：Cardiology clinics

authors： Kappetein AP,van Mieghem NM,Head SJ

更新日期：2014-08-01 00:00:00

abstract：:As the incidence of valvular disease in the elderly is increasing, understanding of its pathogenesis and natural progression as well as surgical approaches and device technologies are improving. Future studies are needed to develop medical interventions that slow or halt the degenerative valvular processes associated ...

journal_title：Cardiology clinics

authors： Hinchman DA,Otto CM

更新日期：1999-02-01 00:00:00

abstract：:The electrocardiographic diagnosis of myocardial infarction (MI) in the presence of left bundle branch block (LBBB) has long been considered problematic or even almost impossible. Many proposed ECG markers in the old literature have now been discarded. However, the advent of reperfusion therapy has generated greater i...

journal_title：Cardiology clinics

authors： Barold SS,Herweg B

更新日期：2006-08-01 00:00:00

abstract：:Heart-kidney interactions have been increasingly recognized by clinicians and researchers who study and treat heart failure and kidney disease. A classification system has been developed to categorize the different manifestations of cardiac and renal dysfunction. Work has highlighted the significant negative prognosti...

journal_title：Cardiology clinics

authors： Udani SM,Koyner JL

更新日期：2010-08-01 00:00:00

abstract：:Medical management of PAD is a considerable challenge. Although patients typically present with IC, there is a substantial pool of subclinical PAD patients. PAD, whether symptomatic or not, confers a marked cardiovascular risk; with affected patients dying of heart attack or stroke, identification of index patients an...

journal_title：Cardiology clinics

authors： Brook RD,Weder AB,Grossman PM,Rajagopalan S

更新日期：2002-11-01 00:00:00

abstract：:Evaluation of mitral regurgitation (MR) severity remains complex and challenging. An integrative approach to grading MR is recommended. The use of multiple Doppler methods should be used to help discriminate between grades of severity. Importantly, MR severity should always be considered in the context of clinical dat...

journal_title：Cardiology clinics

authors： Solis J,Piro V,Loughlin G,Vazquez de Prada JA

更新日期：2013-05-01 00:00:00

abstract：:The physiology and hemodynamic functions of the right ventricle in normal and disease states differ considerably from those of the left ventricle. To illuminate these differences, the right ventricle's essential functions in the normal circulation are reviewed, its functional anatomy and blood supply are described, pr...

journal_title：Cardiology clinics

authors： Lee FA

更新日期：1992-02-01 00:00:00

abstract：:Stress-first approaches to myocardial perfusion imaging provide diagnostically and prognostically accurate perfusion data equivalent to a full rest-stress study, save time in the imaging laboratory, and reduce the radiation exposure to patients and laboratory staff. Converting a nuclear cardiology laboratory from a co...

journal_title：Cardiology clinics

authors： Hussain N,Parker MW,Henzlova MJ,Duvall WL

更新日期：2016-02-01 00:00:00

abstract：:Although direct angioplasty may have been undervalued in the past, its utility in the treatment of acute coronary occlusion is now firmly established, and it unquestionably will remain an integral component of myocardial reperfusion therapy. As refinements in angioplasty equipment, cardiovascular support techniques, a...

journal_title：Cardiology clinics

authors： Horrigan MC,Topol EJ

更新日期：1995-08-01 00:00:00

abstract：:Concurrent, independent clinical series at Yale University and the University of Virginia demonstrate an important role for CABG in patients with advanced ischemic cardiomyopathy. It is found that CABG can be performed safely in these patients, both angina and congestive heart failure states improve, ejection fraction...

journal_title：Cardiology clinics

authors： Elefteriades JA,Kron IL

更新日期：1995-02-01 00:00:00

abstract：:The development and use of antiretroviral medications to treat patients infected with human immunodeficiency virus (HIV) has dramatically changed the course of this disease from one that was fatal to a chronic and more manageable condition. Recommendations and guidelines for the general population are presented in thi...

journal_title：Cardiology clinics

authors： Myerson M

更新日期：2015-05-01 00:00:00

abstract：:Valvular heart disease (VHD) is generally well tolerated during pregnancy; however, the dramatic changes in hemodynamics that occur during pregnancy can lead to clinical decompensation in high-risk women. Women with VHD considering pregnancy should undergo preconception counseling with a high-risk obstetrician and car...

journal_title：Cardiology clinics

authors： Lewey J,Andrade L,Levine LD

更新日期：2021-02-01 00:00:00

abstract：:Besides the anatomoclinical correlates of disturbances in impulse formation and conduction, this article also considers the three mechanisms now known to underlie tachyarrhythmias: focally enhanced automaticity, triggered activity, and, in particular, reentry. ...

journal_title：Cardiology clinics

authors： Rossi L

更新日期：1983-02-01 00:00:00

abstract：:Percutaneous transvenous balloon mitral valvuloplasty is a well-established alternative to surgical commissurotomy for selected symptomatic patients with rheumatic mitral stenosis. This procedure normally is performed with fluoroscopic guidance; however, even the experienced operator can be misled by radiographic land...

journal_title：Cardiology clinics

authors： Goldstein SA,Campbell AN

更新日期：1993-08-01 00:00:00

abstract：:Ischemic heart disease remains the leading cause of death worldwide. Low-density lipoprotein cholesterol (LDL-C) has proved to have a causal relationship with atherosclerotic cardiovascular disease. Lowering LDL-C improves outcomes, although some patients continue to have residual risk of cardiovascular disease. Cardi...

journal_title：Cardiology clinics

authors： Hadjiphilippou S,Ray KK

更新日期：2018-05-01 00:00:00

abstract：:One hundred years ago, Augustus Desiré Waller recorded the human electrocardiogram for the first time, using a capillary electrometer. Electrocardiography only became clinically relevant in 1901 when Willem Einthoven devised his string galvanometer for this purpose. Sir Thomas Lewis was the key figure in showing the v...

journal_title：Cardiology clinics

authors： Krikler DM

更新日期：1987-08-01 00:00:00

abstract：:During the past decade, ambulatory monitoring of the blood pressure has become an important tool for evaluating the pharmacodynamics and clinical efficacy of antihypertensive drugs during development. Furthermore, this methodology aids physicians in practice in the assessment of blood pressure control in many subsets ...

journal_title：Cardiology clinics

authors： White WB

更新日期：1995-11-01 00:00:00

abstract：:Venous thromboembolism (VTE) is a potentially fatal condition and includes deep vein thrombosis and pulmonary embolism. The novel oral anticoagulants, which include the direct thrombin and factor Xa inhibitors, have been shown to be safe and effective for the treatment of VTE. Additional interventions include thrombol...

journal_title：Cardiology clinics

authors： Galanis T,Merli GJ

更新日期：2015-02-01 00:00:00

abstract：:In cases of suspected acute coronary syndrome (ACS), rapid and accurate diagnosis is essential to establish effective evidence-based medical treatment. Patients' history, clinical examination, 12-lead electrocardiogram, and cardiac biomarkers are cornerstones in initial management. Since high-sensitivity cardiac tropo...

journal_title：Cardiology clinics

authors： Geyer M,Wild J,Münzel T,Gori T,Wenzel P

更新日期：2020-11-01 00:00:00

abstract：:Initial pharmacologic therapy for hypertension is low-dose thiazide diuretics, beta-blockers, and ACE inhibitors. Increasing data have confirmed that ACE inhibitors have specific benefit in patients with diabetes, atherosclerosis, left ventricular dysfunction, and renal insufficiency. CCBs are alternative agents for I...

journal_title：Cardiology clinics

authors： Ferdinand KC

更新日期：2001-05-01 00:00:00