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Effect of Percutaneous Transluminal Coronary Angioplasty on Myocardial Perfusion : Measurement with Myocardial Contrast Echocardiography

Chung N, Ha JW, Rim S, Jang Y, Cho SY, Yoon JH

BACKGROUND: Myocardial contrast echocardiography(MCE) has been known to be a safe and useful method to assess the adequacy of myocardial perfusion. This study was performed to assess the change of...
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Three Cases of Giant Inferior Left Ventricular Aneurysm after Myocardial Infarction

Cha KS, Park JC, Seo JP, Park JJ, Jeong MH, Cho JG, Park JC, Kang JC

Left ventricular(LV) aneurysm is one of common complications of acute myocardial infarction. Inferior location of LV aneurysm is relatively rare, but it often compromises posterior papillary muscle function and causes...
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Free-Floating Left Atrial Thrombus with Recurrent cerebral Embolic Event Associated Mitral Stenosis

Kim DI, Kim DS, Lee KS

In mitral valve disease, left atrial thrombus is a common finding, particularly in left atrial appendage in patients with atrial fibrillation. But free-floating thrombus is rare. Nevertheless, it is an...
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Two Cases of Familial Cardiac Myxoma

Kim DI, Kim DS, Lee KS

Cardiac myxoma is a rare tumor and occurs sporadically as isolated lesions in the left atrium of middle aged women. However, familial occurrence of the neoplasm has been described to...
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A Case of Regressed Apical Hypertrophic Cardiomyopathy

Chun KJ, Hong TJ, Shin YW

An unusual form of hypertrophic cardiomyopathy localized to the left ventricular apex is called apical hypertrophic cardiomyopathy. In the classic form is characterized by giant T wave inversion in electrocardiogram...
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Clinical Significance of Left ventricular Relative Wall Thickness by M-mode Echocardiography in Hypertensive Subjects

Park OK, Park JC, Jeong JW

BACKGROUND: Recent studies have shown that ultrasound assessment of left ventricular(LV) and arterial geomatry and identify "preclinical" cardiovascular disease in asymptomatic hypertensive patients. Left ventricular geometry may be classified into...
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Difference Between Deceleration Time of Early Transmitral and Pulmonary Venous Diastolic Flow in Patients with Hypertension

Park DG, Sohn DW, Kim HS, Oh BH, Lee MM, Choi YS, Lee YW

BACKGROUND: Mitral flow velocity with Doppler technique has some limitaion in assessing diastolic dysfunction, especially because of the similarities of normal and pseudonormal mitral pattern. This study was performed to...
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Relationship of Regional Early Diastolic Flow Velocity to Left Ventricular Hemodynamic Indices using Conventional Pulsed Doppler Method

Park JS, Shin DG, Kim YJ, Shim BS

BACKGROUND: Doppler echocardiography is widely used for the noninvasive evaluation of left ventricular diastolic function. More recently, it has attempted to indirectly assess left hemodynamic status by using different measurements...
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Assessment of Mitral Valve Area in Patients with Mitral Stenosis and Atrial Fibrillation

Park NG, Kwak NJ, Choi KW, Kim HY, Jung SM, O SW, Kim DW, Cho MC

BACKGROUND: In mitral stenosis with atial fibrillation, it is known that there is a significant linear correlation between end-diastolic mitral pressure gradient(EDMG) in cardiac catheterization and the corresponding RR interval....
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Validation of Transesophageal Echocardiography for Measurement of Coronary Flow Reserve to Evaluation of Coronary Artery Disease

Lee SW, Kim BS, Kim DS, Kim MH, Kim YD, Kim JS

OBJECTIVES: Coronary flow reserve(CFR) is useful physiologic parameter in the assessment of the coronary artery disease. Transesophageal echocardiography is a less invasive method of assessing coronary flow velocity in the...
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Parameters Related to Pulmonary Venous Flow Velocity in patients with Acute Myocardial Infarction

Joo SJ, Kim BK, Yoo HD, Hong KP, Cha TJ, Lee JW

BACKGROUND: The mechanism for generating pulsatile flow in the pulmonary veins is related to a multitude of factors, including left atrial contraction and relaxation, mitral annular motion, and left ventricular...
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Evaluation of Left Ventricular Diastolic Function by Measurement of Posterior Myocardial Wall Velocity

Park SW, Ryu JC, Kwon HC, Joo SB, Kim JS, Kim DK, Lee SH, Hong KP, Park JE, Lee WR

BACKGROUND: Left ventricular diastolic function has been evaluated mainly by Doppler measurement of mitral inflow. It depends on the hypothesis that mitral inflow is determined by left ventricular relaxation. However,...
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Associations of Intima-Media Thickness of Common Carotid Artery, Coronary Artery Atherosclerosis and Atherosclerotic Risk Factors

Ahn JC, Shim WJ, Park SW, Song WH, Lim DS, Park CG, Kim YH, Oh DJ, Ro YM

BACKGROUND: Atherosclerotic change of peripheral arteries including coronary artery is importantly associated with cardiovascular morbidity and mortality. It has been reported that intima-media thickness(IMT) of common carotid artery(CCA) measured by...
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Significance of Doppler Derived Mitral A Wave Deceleration Time : for Evaluation of Diastolic Dysfunction in Patients with Ischemic Heart Disease

Han SW, Kim KS, Hur SH, Hyun DW, Kim YN, Kim KB

BACKGROUND: The changes of mitral flow pattern obtained by pulsed wave Doppler echocardiography are widely used for the evaluation of left ventricular diastolic function. In the evaluation of left ventricular...
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Usefulness of Low Dose Dobutamine Stress Echocardiography in Patients with Acute Myocardial Infarction

Kim KJ, Kang HS, Choue CW, Kim KS, Kim MS, Song JS, Bae JH

BACKGROUND: Myocardial dysfunction after thrombolytic therapy in patients with acute myocardial infarction may be reversible. Early after myocardial infarction, both reversible and irreversble injury may be manifested by regional wall...
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Changes of Segmental Left Ventricular Wall Motion after PTCA in Ischemic Heart Diease

Jeong JW, Kim MS, Hyoung KY, Seo GS, Kim SW, Park YK, Park OK

OBJECTIVES: To assess the long-term changes of left ventricular(LV) asynergy after percutaneous transluminal coronary angioplasty(PTCA) in 25 patients with ischemic heart disease(15 unstable angina pectoris(UAP), 10 acute myocardial infarction(MI) ;...
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