Dr. William Chua is recognized of his outstanding researches in the field of cardiovascular medicine. Dr. Chua has made significant contributions related to the detection, assessment and evaluation of various forms of heart diseases with emphasis on cardiac electrophysiology, the study of heart rhythm disorder.
Sex: Male
Education:
- Letran College, Manila, Philippines, High School, 1961-1965
- Samantabhadra Institute, Manila, Philippines, Elementary, 1955-1961
- Letran College, Manila, Philippines, B.S. Pre-Med, 1965-1969
- University of the East, Manila, Philippines, Medicine, 1969-1973
Field of Specialization:
Medicine
Researches:
Tamayo, J.G., Carisma, M.B.O., Chua, W.T., (1989) Atrial pacing: An affordable physiological alternative
Philippine Journal of Cardiovascular Medicine Volume 3(1)
Chua, W.T., Ramos, F.P., Mayuga, R.D., Divinagracia, R.A., De Guia, R.M., (1980 ) Evaluation of sinus node automaticity by overdrive suppression: A simplified approach
Philippine Journal of Cardiology Volume 8(4)
Chua, W.T., Mayuga, R.D., Ramos, F.P., Dator, C.O., Divinagracia, R.A., De Guia, R.M., Jr., (1981 ) Panconduction disease: A report of two cases
Philippine Journal of Cardiology Volume 9(3)
Ramos, F.P., Mayuga, R.D., Chua, W.T., Reloza, A.D., Divinagracia, R.A., De Guia, R.M., Jr., (1992) Electrophysiologic evaluation of transient high grade AV Block in young symptomatic patients
Philippine Journal of Cardiology Volume 10(1)
Mayuga, R.D., Chua, W.T., Ramos, F.P., Divinagracia, R.A., De Guia, R.M., (1981) Electrophysiologic characterization of patients with concealed accessory pathways
ASEAN Journal of Clinical Sciences Volume 2(2)
Chua, W.T., Yulde, J., Porcluncula, C.I., Callaja, H.P., (1977) Left atrial size in atrial fibrillations electro-cardiographic and echocardiographic correlation
Philippine Journal of Cardiology Volume 5(3)
Chua, W.T., Yulde, J.A., Porciuncula, C.I., Calleja, H.B., Soto, R.C., (1978) Atrial filbrillation mitral valve disease correlation with age, type of lesion and echo size
Philippine Journal of Cardiology Volume 6(3)
Que, W.O., Chua, W.T., Villaroman, J.S., Jr., De la Paz, A.G., Porciuncula, C.I., Calleja, H.D., (1980) The abnormal septal vector and echocardiographic correlation
Philippine Journal of Cardiology Volume 8(1)
Chua, W.T., Juaneza, R.I., Mayuga, R.D., Yulde, J.A., Porciuncula, C.I., Calleja, H.S., (1980) QRS loop in left ventricular regurgitant lesions: A correlation with echocardiographic ventricular volume and mass
Philippine Journal of Cardiology Volume 8(2)
Guanlao, R.F., Yulde, J.A., Chua, W.T., Porciuncula, C.I., Calleja, H.B. , (1980) Echocardiographic assessment of electrocardiographic and vectorcardiographic criteria for left atrial enlargement in mitral valvular disease
Philippine Journal of Cardiology Volume 8(2)
Ramos, F.P., Barriga, M., Chua, W.T., Mayuga, R., Porciuncula, C., Calleja, H.B. , (1981) Initial Force in Septal Hypertrophy
Asean Journal of Clinical Sciences
Chua, W.T., Depabakibo, L., Leyritana, M., Saavedra, R., Calleja, H.B., Soto, R., (1981) The Left Atrium in Combined Mitral Stenosis and Regurgitation
Asean Journal of Clinical Sciences
Mayuga, R., Apistar, N., Chua, W.T., Esguerra, M., De la Paz, A., Soto, R., Calleja, H.B., (1980) Detection of Incipient Heart Failure in Coronary Artery Disease Patients by Exercise Echocardiography
Philippine Journal of Internal Medicine
Collado, F.R., Pangwi, G., De Guia R.M., Jr., Reloza, A.D., Gordo, P., Kong, V., Chua, W.T., (1985) The need for long term pacing in patients with documented transient high grade AV block: An electrophysiologic assessment and follow-up
Philippine Journal of Cardiology Volume 13(1)
Chua, W.T., Singer, D.M., McCullough, L., Ten Eick, R.E., Kehoe, R.R. , (1985) Mechanisms and timing of diastolic electrical heterogeneity in diseased human ventricle
Philippine Journal of Cardiology Volume 13(1)
Collado, F.R., Gordo, P., Pangwi, G., De Guia R.M., Jr., Chua, W.T., (1985) Reassessment of the criteria for localization of A-Block
Philippine Journal of Cardiology Volume 12(1)
Lastimosa, R.D., Reyes, R.V., Chua, W.T., Calleja, H.D., (1989) Sudden death during holter monitoring
Philippine Journal of Cardiovascular Mebicine Volume 2(2)
Ramos, J.R., Calleja, H.B., Chua, W.T., (1989) Dual AV conduction during holter monitoring
Philippine Journal of Cardiovascular Medicine Volume 2(2)
Belleza, L.A.D., Chua, W.T., Calleja, H.B., (1989) Comparison of ST segment depression on holter monitoring and treadmill exercise testing in patients with coronary artery disease
Philippine Journal of Cardiovascular Volume 3(1)
Chua, W.T., Singer, D.H., Ten Eick, R.E., (1981) Ventricular Dysrhythmia in Man: Cellular Electrophysiologic Aspects
Clinical Research
Chua, W.T., Singer, D.H., Ten Eick, R.E., (1982) Well polarized but abnormal cells: A cause of increased heterogeneity in diseased human ventricle
Fedarations Proceedings Volume 41(4)
Chua, W.T., Ruth, H., Summers, C., Zheulitin, T.A., Kehoe, R.F., (1984) Programmed stimulation versus ambulatory monitoring for therapy of malignant arrhythmias
Circulation Volume 68
Del Moro, M.V., Chua, W.T., et. al., (1987) Clinical profile and patterns of carotid artery lesions in transient ischemic attacks
Philippine Journal of Cardiology Volume 16(20)
Del Moro, M.V., Chua, W.T., Garcia, F., Calleja, H.B., et al., (1987) Carotid vascular disease patient profile and ultratherapic features in diabetes mellitus
Philippine Journal of Cardiology Volume 16(2)
Zheutlin, T.A., Ruth, H., Chua, W.T., Summers, C., Mantice, T., Kehoe, R.F. , (1984) Programmed electrical stimulation to determine the need for anti-arrhythmic therapy in patients with complex ventricular ectopic activity
Circulation Volume 68
McCullough, J.R., Chua, W.T., et al., (1982) Electrophysiologic actions of propaferone in diseased human myocardium
Federations Proceedings Volume 41(4)
Chua, W.T., Singer, D.H., Ten Eick, R.E., Moran, J. , (1992) Oscillatory activity in diseased human ventricular myocardium
American Journal of Cardiology Volume 49
Singer, D.H., Chua, W.T., McCullough, J., et al. , (1982) Diastolic electrical heterogeneity in diseased human ventricle
Circulation Volume 66(2)
Singer, D.H., Chua, W.T., et al., (1982) Overdrive suppression in depolarization induced automaticity in diseased ventricle
Circulation Volume 66(2)
Chua, W.T., Singer, D.H., McCullough, J., Moran, J., (1983) Cellular electrophysiologic panic for rapid pacing induced repetitive ventricular firing
PACE Volume 6(3)
Chua, W.T., Singer, D.H., McCullough, J., Ten Eick, R.E., Kehoe, R.F., (1984) Various mechanism and timing of diastolic electrical heterogeneity in diseased human ventricle
Philippine Journal of Cardiology Volume 7(29)
Pangwi, G.J., Peralta, B., Ramos, F., Collado J., Carambas, C., Calma R., Divinagracia R., Chua, W.T., (1984) Electrophysiologic assessment of right ventricular outflow tract ectopy
Philippine Journal of Cardiology Volume 7(2)
Gordo, P.P., Pangwi, G., Ramos, F., Chua, W.T., (1984) Reassessment of the criteria for localization of A-V Block
Philippine Journal of Cardiology Volume 7(29)
Esposo, E.A., Del Moro, M.V., De Leon, E.C., Jr., Chua, W.T., Yulde, J., (1987) Determinants of electrocardiographic features of right ventricular hypertrophy
Philippine Journal of Cardiology Volume 16(2)
Antonio, E., Carisma, M.B., Collado, F.R., Chua, W.T., (1987) Characteristics of subsidiary pacemakers in complete atrioventricular block
Philippine Journal of Cardiology Volume 16(2)
Bedayo, J.A., Collado, F., Ledesma, R., Honzon, O., Chua, W.T., (1987) Tall R waves in the anterior precordial leeds in the diagnosis of true posterior myocardial infarction
Philippine Journal of Cardiology Volume 16(2)
Chua, W.T., Singer,D.H., Ten, Eick, R.E., Moran, J., (1982) Oscillatory activity in diseased human ventricular myocardium
American Journal of Cardiology Volume 49
De La Serna, F., Timbol, E., Chua, W.T., (1987) Clinical profile of young sudden cardiac death
Philippine Journal of Cardiology Volume 16(2)
Chua, W.T., Ramos, F., Mayuga, R. , (1980) Evaluation of the sinus node function
Philippine Journal of Cardiology Volume 8(2)
Papers Presented
- Cellular Electrophysiology of Diseased Human Ventricular Myocardium, Bimodal Distribution of the Diastolic Potential, Altered Cellular Response to K+ and other Abnormalities, .
- Various Mechanism and Timing of Diastolic Electrical Heterogeneity in Diseased Human Ventricle, PHA Annual Convention
- Programmed Stimulation Versus Ambulatory Monitoring for Therapy of Malignant Arrhythmias , American Heart Association Meeting Anahaim, California
- Programmed Electrical Stimulation to Determine the Need for Anti-arrhythmic Therapy in Patients with Complex Ventricular Ectopic Activity, American Heart Association Meeting, Anaheim, California
- Distribution of Diastolic Membrane Potential in Diseased Human, Ventricular Myocardium, Federation
- Reassessment of the Criteria for Localization of A-V Block, PHA Annual Convention
- Electrophysiology Evaluation of AV Junctional Reciprocating Tachycardia: An Analysis of Two Various Mechanism and Timing of Diastolic Electrical Heterogeneity in Diseased Human Ventricle, 11th PHA Annual Convention
- Electrophysiologic Studies In Patients with Documented A-V Block , Annual Convention
- The Status of Sino-atrial Conduction and the Critical Atrial Pacing Rate for Maximum Sinus Node Suppression , 1984 PHA Annual Convention
- Repetitive Ventricular Firing in Man: Cellular Electrophysiology, Sur Les Troubles Dur Rythme Cardiaque
- Electrophysiologic Assessment of Right Ventricular Outflow Tract Ectopy, PHA Annual Convention
- Exercise Responses of Patients with Coronary Artery Disease, 5th Asia Pacific Congress on Diseases of the Chest, Manila
- M-Mode Echocardiographic Study of Left Ventricular Function in Aortic Insufficiency, 10th Annual Convention, Baguio City
- Vectocardiographic T Loop in Left Ventricular Volume Overload, 10th PHA Annual Convention, Baguio City
- E Point Septal Separation in Aortic Insufficiency, 10th PHA Annual Convention, Baguio City
- Echocardiographic Features of Patients with Normal Resting Electrocardiogram and Abnormal Stress Test, 10th PHA Annual Convention, Baguio City
- Evaluation of the Determinants of Cardiac Output in Patients with Coronary Artery Disease by Exercise Echocardiography: A Method for Detecting Incipient Heart Failure, 11th Philippine Heart Association (PHA) Annual Convention
- Left Atrial Volume and PrePressure iIn Combined Mitral Stenosis and Regurgitation, 11th PHA Annual Convention
- Electrocardiographic and Hemodynamic Correlation in Patients with Atrial Septal Defect, 11th PHA Annual Convention
- The Electrocardiogram in Patients with As mptomatic Airflow Obstruction, 11th PHA Annual Convention
- Correlation of Pulmonary Artery Pressure with Left Atrial Pressure in Size and Mitral Valve Disease, 11th PHA Annual Convention
- Frontal Plan Axis in Right Ventricular Hypertrophy Among Patients with Puree MS: Vectocardiographic and Hemodynamics Correlation, 11th PHA Annual Convention
Awards:
- Most Outstanding Alumnus, Philippine Heart Center , Medical Alumni Society, 1989
- Distinguished Scientist, Philippine Heart Association, 1988
- Outstanding Young Scientist in Medicine, Nationla Academy of Science & Technology, 1984
- Outstanding Alumnus Award, National Academy of Science and Technology - DOST, 1984
- Outstanding Alumnus Award , UERMMMC, 1984
- Outstanding Cardiology Fellow, Philippine Heart Association, 1980
- Cathay Drug Research Award, 17th PHA Annual Convention , 1986 My 08-10
- Cathay Drug Researh Award, 16th PHA Annual Convention, 1985 Ap 24-27
- Cathay Drug Research Award, 11th Annual Convention, 1980 My 07-11