- Effect of Attractor Construction Methods to Fractal Dimension for Heart Sound Analysis
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Lee Y, Kim H, Kim T
- KMID: 2330316
- J Korean Soc Med Inform.
- 2004 Jun;10(2):191-200.
Strange attractor can be constructed from time series data such as heart sound. In the areas of the recognition and diagnosis of abnormal heart sounds, signal presentation method is very... -
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- The Heart Sound Data Analysis, Management System using the Wireless Stethoscope
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Shin JW, Lee JS, Yoon YR
- KMID: 2210382
- J Korean Soc Med Inform.
- 2001 Jun;7(2):105-111.
This paper is about the system using a wireless stethoscope to analysis the FFT and the time-frequency for a heart sound and to manage the collected data for a web-based... -
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- Heart Sound Classification Using Variable Number of States in Hidden Markov Model Considering Characteristics of the Signal
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Chung YJ
- KMID: 2211309
- J Korean Soc Med Inform.
- 2008 Jun;14(2):179-187.
Hidden Markov model (HMM) is known to be one of the most powerful methods in the acoustic modeling of heart sound signals. Conventionally, we usually use a fixed number of... -
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- Classification of Continuous Heart Sound Signals Using the Ergodic Hidden Markov Model
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Kim HK, Chung YJ
- KMID: 2330758
- J Korean Soc Med Inform.
- 2007 Mar;13(1):35-41.
Recently, hidden Markov models (HMMs) have been found to be very effective in classifying heart sound signals. For the classification based on the HMM, the continuous cyclic heart sound signal... -
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- Automatic heart activity diagnosis based on Gram polynomials and probabilistic neural networks
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Beritelli , Capizzi G, Lo Sciuto , Napoli C, Scaglione
- KMID: 2439536
- Biomed Eng Lett.
- 2018 Feb;8(1):77-85.
- doi: 10.1007/s13534-017-0046-z
The paper proposes a new approach to heart activity diagnosis based on Gram polynomials and probabilistic neural networks (PNN). Heart disease recognition is based on the analysis of phonocardiogram (PCG)... -
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- A Case of Transient Complete A-V Block
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Kim YB, Kang HS, Lee CH, Ahn CI
- KMID: 2208644
- J Korean Pediatr Soc.
- 1981 Oct;24(10):997-1102.
We experienced a case of transient complete A-V block, which developed probably due to acute myocarditis of viral etiology. The patient was 13 year old boy, and was admitted to... -
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- The Effects of Maternal Heart Sound on the Weight, Physiologic Responses and Behavioral States of Premature Infants
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Yeum MK, Ahn YM, Seo HS, Jun YH
- KMID: 2291826
- J Korean Acad Child Health Nurs.
- 2010 Jul;16(3):211-219.
PURPOSE: The study was done to measure the effects of maternal heart sound on body weight, physiologic reactions (heart rate [HR] and cortisol) and behavioral states of preterm infants. METHODS: Thirty-five... -
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- Angiocardiographic features of Ebstein's anomaly
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Shinn KS, Kang SW
- KMID: 2345458
- J Korean Radiol Soc.
- 1977 Dec;13(2):327-338.
- doi: 10.3348/jkrs.1977.13.2.327
The plain roentgenographic and angiocardiographic findings and pertinent laboratory data of a case ofEbstein's anomaly were presented with a brief review of literatures. A 39-year-old woman was admitted to St.Mary's... -
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- Spontaneous Pneumopericardium: A case Report
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Ahn JY, Lee SL, Ahn SH, Ryu SY, Kim HY
- KMID: 2100608
- J Korean Soc Emerg Med.
- 2001 Sep;12(3):354-358.
Pneumopericardium, as a form of barotrauma, refers to the presence of air within the pericardial sac. The causes of pneumopericardium are various. Clinically, pneumopericardium is typically present with dyspnea and... -
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- Nonlinear Data Presentation Method for Chaotic Analysis of Heart Rate
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Kim T, Chung H
- KMID: 2330143
- J Korean Soc Med Inform.
- 2003 Jun;9(2):93-100.
Strange attractor can be constructed from time series data such as heart sound. In the area of the recognition and diagnosis problem, signal presentation method is very important because good... -
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- A hybrid method for fundamental heart sound segmentation using group-sparsity denoising and variational mode decomposition
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Sujadevi V, Mohan N, Kumar SS, Akshay S, Soman KP
- KMID: 2470036
- Biomed Eng Lett.
- 2019 Nov;9(4):413-424.
- doi: 10.1007/s13534-019-00121-z
Segmentation of fundamental heart sounds–S1 and S2 is important for automated monitoring of cardiac activity including diagnosis of the heart diseases. This pa-per proposes a novel hybrid method for S1... -
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- Myxoma of the Left Atrium
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Chang IJ, Huh J, Choi GB, Shin GJ, Lee WH, Park LG, Lee DY
- KMID: 1965662
- Ewha Med J.
- 1985 Sep;8(3):201-205.
- doi: 10.12771/emj.1985.8.3.201
Myxoma of the left atrium is known to mimic the clinical and hemodynamic features of mitral valvular disease. The tumor was diagnosed by using the Echophonocardiography, CAT-scanning, and hemodynamic studies... -
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- A case of Pulmonary Veno-occlusive Disease
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Cho JY, Lee SY, Lee SH, Suh JK, Shim JJ, In KH, Kang KH, Yoo SH, Kim KT
- KMID: 2318002
- Tuberc Respir Dis.
- 1996 Apr;43(2):274-279.
Pulmonary veno-occlusive disease is a rare cause of pulmonary hypertension in which the primary abnormality is obliterative obstruction of pulmonary veins, especially venules. Clinicaly, we should suspect this disease in... -
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- Morgagni Hernia in a 3-year Old Boy: a Case Report
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Jeong H, Kim AS, Choi SM, Park J
- KMID: 2059012
- J Korean Assoc Pediatr Surg.
- 2007 Jun;13(1):81-86.
A 3-year-old boy with purulent otitis media received a chest radiograph as the part of a routine work up. The patient was normal appearing, in no acute distress. The patient's... -
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- Changes of A2D Time as an Index of Diastolic Function of the Left Ventricle
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Ann YA, Yoon YG, Park OK
- KMID: 2145784
- Korean Circ J.
- 1985 Mar;15(1):53-60.
- doi: 10.4070/kcj.1985.15.1.53
A2 D time, a time interval from aortic second heart sound to the D point of mitral valve echogram, was reported as a valuable index of the left ventricular relaxation... -
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- In vitro sound spectral analysis of prosthetic heart valves by mock circulatory system
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Kim SH, Chang BC, Tack G, Huh JM, Kang MS, Cho BK, Park YH
- KMID: 1728911
- Yonsei Med J.
- 1994 Sep;35(3):271-278.
- doi: 10.3349/ymj.1994.35.3.271
A comparative study was made of the sounds produced by normal prosthetic valves (St. Jude Medical, Bjork-Shiley, polymer) with those produced by the same valves but having simulated thrombosis at... -
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- Spectral analysis of heart valve sound for detection of prosthetic heart valve diseases
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Kim SH, Lee HJ, Huh JM, Chang BC
- KMID: 711562
- Yonsei Med J.
- 1998 Aug;39(4):302-308.
- doi: 10.3349/ymj.1998.39.4.302
The spectral analysis of heart valve sound is a noninvasive diagnostic method known to be useful in evaluating the state of the heart valve function. This may provide early detection... -
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- A Case of Klippel-Trenaunay-Weber Syndrome with Congenital Heart Anomaly
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Kim NH, Kim SN, Yoo TY
- KMID: 2231805
- Korean J Dermatol.
- 1975 Sep;13(3):223-229.
A 17 year old female with Klippel-Trenaunay-Weber Syndrome is presented. Of particular interest was presence of congenital heart anomaly. The nevus flarnmeus invoIved her entire right leg and foot with... -
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- A Case of Congenital Arteriovenous Fistula at Left Subclavian Artery Accompanied by Notching on Superior Aspect of Rib
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Chung IM, Cho SY, Park SJ, Lee WK, Seo JS
- KMID: 1670383
- Korean Circ J.
- 1989 Mar;19(1):139-145.
- doi: 10.4070/kcj.1989.19.1.139
High output heart failure due to congenital arteriovenous fistula is a rare disease and is difficult to treat. A 27 year old man, suffering from dyspnea, palpitation, lower extremity edema,... -
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- Decreased heart sound in a healthy newborn: Spontaneous multiseptated cystic pneumomediastinum with delayed respiratory distress
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Choe YJ, Kim ES, Kim EK, Kim HS, Chun JE, Kim WS, Kim IO, Choi JH
- KMID: 2281374
- Korean J Pediatr.
- 2010 Feb;53(2):244-247.
- doi: 10.3345/kjp.2010.53.2.244
Spontaneous pneumomediastinum in the absence of predisposing risk factors has been rarely observed in full-term neonates. A 3-day-old neonate, delivered vaginally at term without any perinatal complications or signs of... -
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