Phonocardiography Calibrated

Phonocardiography Calibrated: Measuring the Sound Vibrations of the Heart

Phonocardiography (PCG) is a method for diagnosing the cardiovascular system, based on measuring sound vibrations that occur during heart activity. This method is widely used to detect various heart diseases such as arrhythmias, angina, myocardial infarction and many others.

However, there is a problem that various conditions, such as age, patient position, and even external noise, can affect the amplitude of the sound vibrations produced by the heart. This may lead to inaccurate diagnostic results.

To solve this problem, calibrated phonocardiography (CPG) was developed. It differs from conventional PCG in that it uses an artificial sound signal of a certain strength as a standard for comparison with the sound vibrations produced by the heart.

Calibrated phonocardiography allows one to obtain more accurate diagnostic results, since the amplitude of sound vibrations obtained during heart activity is compared with the amplitude of vibrations of an artificial sound signal of a certain strength, which is constant and not influenced by external factors.

When performing calibrated phonocardiography, the patient is fitted with a special sensor on the chest, which records the sounds that occur when the heart is beating. Then the doctor introduces an artificial sound signal of a certain strength and compares the amplitude of its oscillations with the amplitude of sound oscillations obtained during the work of the heart. Based on the comparison results, the doctor can draw conclusions about the state of the patient’s cardiovascular system.

Calibrated phonocardiography is a more accurate and reliable method for diagnosing the cardiovascular system than conventional phonocardiography. It allows you to eliminate the influence of external factors on diagnostic results and obtain more accurate data on the state of the patient’s cardiovascular system.



Phonocardiogram, or phonogram of heart murmur. FGK is a recording of a phonocardiogram, a set of acoustic sounds created with the help of special devices by various physiological processes occurring in the human body. Cardiac FGC is mainly used. This recording makes it possible to determine the presence of noise, which is a pathology, as well as the degree of its severity, which plays a role in determining diseases of the cardiovascular system. The sound of the heart is recorded using one of the types of phonoelectrocardiography: electromagnetic or laser. Emfg is a method of recording, against the background of a phonocardiogram, changes in the impedance (resistance) of electrodes applied to the patient’s body at standard points of the afferent channels of cutaneous afferentation. Fucking shorter