Abstract: A method of calculating an atrial wall thickness through a device including a processor and a memory according to an embodiment of the present disclosure may include (a) receiving image data for a patient's atrium as input data, (b) calculating endocardial and epicardial borders corresponding to starting and ending points of the atrial wall thickness from the received input data, and (c) calculating the patient's atrial wall thickness using the calculated endocardial and epicardial borders, wherein the image data for the patient's atrium received in the step (a) is a plurality of mask label image data for respective tomographic images of the patient's atrium acquired from computed tomography (CT) scans for the patient's atrium, and the mask label image data is data in which one or more pixels corresponding to an atrial wall region including the patient's atrium and an inner region of the atrium, other regions within the patient's heart disposed around the patient's atrium, and regions other than the patient's

Abstract: A method by which a left atrial wall thickness measurement device for the heart measures the left atrial wall thickness of the heart, according to one embodiment of the present invention, can simply, quickly, and accurately measure the thickness of the left atrium of the heart with only a simple input of a user so as to also derive the optimum effect of a radiofrequency catheter ablation procedure, and measures the thickness of the left atrium of the heart by using, without a separate additional inspection, computed tomography, which is relatively inexpensive and is performed for most patients with arrhythmia, thereby minimizing the financial burden on a patient.

Abstract: A method for generating a heart model reflecting action potential duration restitution is provided, which can visually output the maximum slope of the correlation between a relaxation period and an action potential duration at every point included in a three-dimensional heart model.

Abstract: A method by which a left atrial wall thickness measurement device for the heart measures the left atrial wall thickness of the heart, according to one embodiment of the present invention, can simply, quickly, and accurately measure the thickness of the left atrium of the heart with only a simple input of a user so as to also derive the optimum effect of a radiofrequency catheter ablation procedure, and measures the thickness of the left atrium of the heart by using, without a separate additional inspection, computed tomography, which is relatively inexpensive and is performed for most patients with arrhythmia, thereby minimizing the financial burden on a patient.

Abstract: A system and method for evaluating effects of an antiarrhythmic agent. The system includes: an action potential measurement unit for measuring a cardiac action potential of a patient; an ion channel characteristics determination unit for determining ion channel characteristics of the patient using the cardiac action potential; and an antiarrhythmic agent effect evaluation unit for simulating a treatment effect of an antiarrhythmic agent by reflecting characteristics of the antiarrhythmic agent on the determined ion channel characteristics of the patient. The system can conveniently determine the patient's ion channel characteristics by measuring the cardiac action potential of the patient, thereby preventing the risk of gathering cardiomyocytes of the patient.

Abstract: A phase singularity identification system includes: a signal reception unit for receiving a single activity electrogram signal measured through a single-electrode catheter at a particular point of a cardiac muscle cell; a phase calculation unit for calculating a phase from the received single activity electrogram signal; and a phase singularity identification unit for identifying through the calculated phase if the particular point of the cardiac muscle cell is a phase singularity. Accordingly, it is possible to identify the phase singularity of a rotor by using a single-electrode catheter rather than a multi-electrode catheter, thereby significantly reducing time required and costs spent in comparison with prior art, and it is possible to accurately identify the phase singularity of the rotor, thus the system can be used for a radiofrequency electrode catheter ablation procedure for cardiac arrhythmia treatment.

Abstract: Provided are a system and method for generating a pseudo electrogram. The system for generating the pseudo electrogram includes a unipolar electrogram generation unit which generates a unipolar electrogram according to an action potential calculated from an electric physiological model of the heart using a pseudo electrode in which a cross-sectional area is adjusted, and a pseudo electrogram generation unit which generates a pseudo electrogram using the unipolar electrogram.

Abstract: A phase singularity identification system includes: a signal reception unit for receiving a single activity electrogram signal measured through a single-electrode catheter at a particular point of a cardiac muscle cell; a phase calculation unit for calculating a phase from the received single activity electrogram signal; and a phase singularity identification unit for identifying through the calculated phase if the particular point of the cardiac muscle cell is a phase singularity. Accordingly, it is possible to identify the phase singularity of a rotor by using a single-electrode catheter rather than a multi-electrode catheter, thereby significantly reducing time required and costs spent in comparison with prior art, and it is possible to accurately identify the phase singularity of the rotor, thus the system can be used for a radiofrequency electrode catheter ablation procedure for cardiac arrhythmia treatment.

Abstract: A system and method for evaluating effects of an antiarrhythmic agent. The system includes: an action potential measurement unit for measuring a cardiac action potential of a patient; an ion channel characteristics determination unit for determining ion channel characteristics of the patient using the cardiac action potential; and an antiarrhythmic agent effect evaluation unit for simulating a treatment effect of an antiarrhythmic agent by reflecting characteristics of the antiarrhythmic agent on the determined ion channel characteristics of the patient. The system can conveniently determine the patient's ion channel characteristics by measuring the cardiac action potential of the patient, thereby preventing the risk of gathering cardiomyocytes of the patient.

Abstract: Provided are a system and method for generating a pseudo electrogram. The system for generating the pseudo electrogram includes a unipolar electrogram generation unit which generates a unipolar electrogram according to an action potential calculated from an electric physiological model of the heart using a pseudo electrode in which a cross-sectional area is adjusted, and a pseudo electrogram generation unit which generates a pseudo electrogram using the unipolar electrogram.