Prof. Ivan Konstantinov Daskalov (February 26, 1933- June 12, 2004) was a prominent Bulgarian scientist in the field of biomedical engineering. He was director of the former Centre of Biomedical Engineering from 1994 to 2004, which was later renamed after him to Centre of Biomedical Engineering “Prof. Ivan Daskalov”.
Qualifications
- Electronic Engineer (MSEE)-1958;
- Assoc. Prof. Med. Eng., Med. Faculty-1967;
- Ph. D. (Med. Eng.), Bulg. Acad. Sci.- 1972;
- Dr. Med. Sci., Medical Academy-1975;
- Professor Biomed. Eng., Bulg. Acad. Sci.-1978
Positions held
- 1957 Postal Communications, Radio Engineer;
- 1958-61 Electronics works, Research Engineer, Chief Research Group;
- 1962-67 Med. Faculty, Research Assistant Prof., Dept. Biophysics;
- 1968-75 Ministry of Health, Assoc. Prof. Director, Institute of Med. Engineering;
- 1976-78 Bulg. Acad. of Sci., Professor, Director, Dept. Med. Eng.;
- 1979-92 Medical Academy, Professor, Director, Medical Faculty Dept. Med. Eng.;
- 1993- Bulg. Acad. of Sci., Professor, Director, Centre of Biomedical Engineering.
Research expertise
- Instrumentation for physiological and clinical research:
- electrical stimulation,
- biosignal amplifiers,
- complex stimulation,
- feedback systems,
- including physiological processes and instrumentation.
- Analysis of physiological signals:
- electrocardiogram signal processing – filtering of artefacts and noise,
- identification of specific patterns and waves,
- measurement of diagnostic parameters,
- computer systems,
- microprocessor instrumentation;
- electroencephalogram, electrogastrogram and electromyogram signals – frequency analysis, wave analysis, evoked potentials, computer systems;
- Ultrasonic instrumentation,
- Bioimpedance measurements.
Other areas of expertise
- Reviewer – several national & international journals on Biomedical Engineering;
- National Scientific Boards Member:
- Electronics & Computer Science (President),
- Automation and Control Systems,
- National Scientific Accreditation Commission,
- Medical Science Fund;
- Session Chairman – in many International Conferences on Biomed. Eng.;
- Editorial Board Member:
- Achievements of Med. Physics, Warsaw,
- Electronics & Electrical Engineering, Sofia,
- Biomedical Engineering – Online.
- Expert:
- Clinical Science Foundation – London;
- European Commission Brussels (DG-XII – 1992),
- Biomed. Eng. – Ministry of Health;
- Teaching:
- Medical Faculty Sofia (postgraduate – ultrasonics, physiological measurement in cardiology, neurology, ob. gyn., medical instrumentation, computers in medicine);
- Technical University: Medical Engineering, Medical Electronics Ultrasonic Instrumentation;
- Ministry of Health Educational Centre (Clinical Engineering, Ultrasonics, Intensive care instrumentation);
- University of Patras – Intrernat. MSc Course Med. Eng. & Phys- Ultrasonic Instrumentation.
- Professional Membership:
- Member – Founder, Vice-president (7 years) & President (11 years) and Honorary President (since 1996) of the National Society of Biomed. Physics & Engineering;
- Federation of Medical & Biological Engineering; Member, International Academy of Medical and Biological Engineering.
- Daskalov I., I. Tomov, L. Tomov. ECG baseline stabilization for screening analysis. Adv. Cardiol. 1977, 19, 144-146.
- Matveev M., L. Tomov, I. Tomov, I. Daskalov. Lead selection for ECG screening. Adv. Cardiol. 1977, 19, 147-149.
- Tomov L., I. Tomov, M. Matveev, I. Daskalov. ECG parameters for screening analysis. Adv. Cardiol. 1977, 19, 150-152.
- Ninova P., I. Daskalov, M. Dimitrova. Automatic phonocardiographic screening for heart disease in children. Cardiology, 1978, 63, 1, 5-13.
- Daskalov I., L. Gueorguiev, M. Matveev. Hybrid computer for dye dilution curves. Med. Biol. Eng. Comput. 1978, 16, 68-72.
- Markov J., Ch. Levkov, N. Mudrov, E. Novakov, I. Daskalov. Analysis of the pacing pulse waveform by a microcomputer system. In: Cardiac pacing, Ed. G. A. Feruglio, Piccin Medical Books, 1982, 869-872.
- Markov J., N. Mudrov, I. Daskalov. An automatic inhibitor of demand pacemakers. In: Cardiac pacing, Ed. G. A. Feruglio, Piccin Medical Books, 1982, 1319-1322.
- Levkov C., G. Michov, R. Ivanov, I. Daskalov. Subtraction of 50Hz interference from the electrocardiogram. Med. Biol. Eng. Comput. 1984, 22, 371-373.
- Dotzinsky I., Christov I., Levkov Ch., Daskalov I. A microprocessor electrocardiograph. Med. Biol. Eng. Comput. 1985, 23, 209-212. Abstract
- Christov I., Dotsinsky I., Daskalov I. Multichannel DC amplifier for a microprocessor electroencephalograph. Med. Biol. Eng. Comput. 1991, 29, 3, 324-329. Abstract
- Christov I., Dotsinsky I., Daskalov I. High-pass filtering of ECG signals using QRS elimination. Med. Biol. Eng. & Comput. 1992, 30, 253-256. Abstract
- Daskalov I., Dotzinsky I. Dynamic Levkov-Christov subtraction of powerline interference from the electrocardiogram. Med. Biol. Eng. Comput. 1995, 33, 360.
- Atanassova E., Daskalov I., Dotzinsky I., Christov I., Atanassova A. Noninvasive electrogastrography. Part 1: Correlation between the gastric electrical activity in dogs with implanted and cutaneous electrodes. Arch. Physiol. Biochem. 1995, 103, 431-435.
- Atanassova E., Daskalov I., Dotzinsky I., Christov I., Atanassova E. Noninvasive electrogastrography. Part 2: Human electrogastrogram. Arch. Physiol. Biochem. 1995 103, 436-441.
- Dotsinsky I., Christov I., Daskalov I. Assessment of metrological characteristics of digital electrocardiographs. J. Clin. Eng. 1996, 21, 156-160. Abstract
- Dotsinsky I., Daskalov I. Accuracy of the 50 Hz interference subtraction from the electrocardiogram. Med. Biol. Eng. Comput. 1996, 34, 489-494. Abstract
- Popov T., Daskalov I. Detection of fluctuating bronchial obstruction by electrical impedance. J. Clin. Eng. 1996, 21, 446-450.
- Daskalov I., Christov I., Dotsinsky I. Improvement of resolution in measurement of electrocardiogram RR intervals. Med. Eng. Phys. 1997, 19, 375-379.
- Mitov I., Daskalov I. Power spectra accuracy improvement: an heuristic approach. Med. Eng. Phys. 1997, 19, 380-385.
- Daskalov I., Christov I. Dotsinsky I. Low frequency distortions of the electrocardiogram. Med. Eng. Phys. 1997, 19, 387-393. Abstract
- Daskalov I., Indjov B., Mudrov N. Electrical dental pulp testing: methods and instrumentation. IEEE Eng. med. biol., 1997, 17, 121-125.
- Daskalov I., Popov R., Bankov S. Electrical stimulation of denervated muscles. Assessment by stimulated fibrillation potentials. J. Clin. Eng. 1997, 22, 88-92.
- Daskalov I., Bankov S. Electrical stimulation of innervated muscles. J. Clin. Eng. 1997, 22, 383-390.
- Daskalov I., Christov I., Kolev V. High-pass filtering of the electrogastrogram. Med. Biol. Eng. Comput. 1997, 35, 279-282.
- Nenchev N., Hatib F., Daskalov I. Monitoring relative fluid balance alterations in haemodialysis of diabetic patients by electrical impedance. Physiol. Meas. 1998, 19, 35-52.
- Daskalov I., Dotsinsky I., Christov I. Developments in ECG acquisition, preprocessing, parameter measurementand recording. IEEE Eng. Med. Biol. 1998, 17, 50-58. Abstract
- Mitov I., Daskalov I. Comparison of heart rate variability spectra using generic relations of their input signals. Med. Biol. Eng. Comput. 1998, 36, 573-580.
- Kontodimopoulos N, Pallikarakis N., Christov I., Daskalov I. In-house development of test equipment for quality conrol and training. Case study: a prototype ECG simulator-tester. Med. Eng. Phys. 1998, 20, 717-721.
- Dobrev D., Daskalov I. Two-electrode telemetric instrument for infant heart rate and apnea monitoring. Med. Eng. Phys. 1998, 20, 729-734.
- Daskalov I., Mudrov N., Peycheva E. Exploring new instrumentation parameters for electrochemotherapy. IEEE Eng. Med. Biol. 1999, 18(1): 62-66.
- Daskalov I., Christov I. Electrocardiogram signal preprocessing for automatic detection of QRS boundaries. Med. Eng. Phys. 1999, 21:, 37-44.
- Brandisky K., Daskalov I. Electrical field and current distributions in electrochemotherapy. Bioelectrochem. Bioenerget. 1999, 48(1), 201-208.
- Daskalov I., Christov I. Automatic detection of the electrocardiogram T-wave end. Med. Biol. Eng. & Comput. 1999, 37, 348-353.
- Peycheva E., Daskalov I. Electrochemotherapy of skin tumours. Journal of BUON, 1999, 4, 185-188.
- Al Hatib F., Daskalov I., Nenchev N. Assessment of total body water in hemodialysis by relative changes of electrical impedance. J. Clin. Eng. 1999, 24, 304-308.
- Christov I., Daskalov I. Filtering of electromyogram artifacts from the electrocardiogram. Med. Eng. Phys., 2000, 22, 145-153.
- Krasteva V., Cansell A., Daskalov I. Modeling transthoracic defibrillation waveforms. J Med. Eng. Technol. 2000, 24, 63-67.
- Peycheva E., Daskalov I. Electroimmunotherapy of mycosis fungoides: first results. Journal of BUON, 2000, 5, 85-87.
- Al Hatib F., Trendafilova E., Daskalov I. Transthoracic electrical impedance during external defibrillation: comparison of measured and modelled waveforms. physiol. meas. 2000, 21, 145-154.
- Al Hatib F., Neycheva T., Shenkada M. S., Popov T. A., Daskalov I. monitoring of fluctuating airway obstruction and episodes of coughing by thoracic electrical impedance. J. Med. Eng. Technol. 2000, 25, 49-52.
- Papazov S., Brandiski K, Daskalov I. Optimization of the defibrillation current density in the heart region by a two-layer segmented electrode. J. Med. Eng. Technol. 2000, 25, 28-33.
- Krasteva V., Iliev I., Cansell A., Daskalov I. Automatic adjustment of biphasic pulse duration in transthoracic defibrillation. J. Med. Eng. Technol. 2000, 24, 210-214.
- Krasteva V., Cansell A., Daskalov I.K. Transthoracic defibrillation with chopping-modulated biphasic waveforms. j. med. eng. technol. 2001, 25, 163 – 168.
- Krasteva V., Al Hatib F., Trendafilova E., Daskalov I. Possibilities for predictive measurement of the transthoracic impedance in defibrillation. J. Med. Eng. Technol. 2001, 25, 195-200.
- Christov I., Bortolan G., Daskalov I. Automatic detection of atrial fibrillation and flutter by wave rectification method. J. Med. Eng. Technol. 2001, 25, 217-221.
- Krasteva V., Trendafilova E., Cancell A., Daskalov I., 2001, Assesment of balanced biphasic defibrillation waveforms in transthoracic atrial cardioversion, J. Med. Eng. Technol. 2001, 25, 68-73.
- Trifonov D., Katev N., Daskalov I. Intra-arterial chemotherapy of breast cancer combined with electroporation. Journal of BUON, 2001, 6, 331.
- Christov I., Bortolan G., Daskalov I. Sequential Analysis for automatic detection of atrial fibrillation and flutter. Computers in Cardiology, 2001, 28, 293-296. Abstract
- Papazov S, Kostov Z, Daskalov I. Electrical current distribution under transthoracic defibrillation and pacing electrodes. J. Med Eng Technol. 2002 Jan-Feb;26(1):22-7.
- Dobrev D., Daskalov I. Two-electrode biopotential amplifier with current-driven inputs. Medical & Biological Engineering & Computing, 2002, 40, 122-127.
- Papazov S., Daskalov I. Effect of contour shape on nervous system electromagnetic stimulation coils on the induced electrical field distribution. Biomedical Engineering Online, 2002, 1, 1, http://www.biomedical-engineering-online.com/content/1/1/1
- Krasteva V., Papazov S., Daskalov I. Magnetic stimulation for non-homogeneous biological structures. Biomedical Engineering Online, 2002, 1, 3, http://www.biomedical-engineering-online.com/content/1/1/3
- Krasteva V, Cansell A, Daskalov I. Automatic adjustment of chopping-modulated defibrillation pulses to patient transthoracic resistance. J Med Eng Technol., 2003, 27, 1, 11-8.
Patents
Prof. Ivan Daskalov had about 45 patents, all in the field of biomedical engineering.