FIELD: medicine.SUBSTANCE: invention relates to medical equipment, namely to means for monitoring patient. Device contains calculation means for reading data from sensor, representing, at least, one physical value, measured in preliminarily determined position of patients cardiovascular system in form of time function, and determining parameter, representing volume of intrathoracic part with application of data from sensor. Device additionally contains means for introduction of individual information about patient, which contains information on categorisation and biometric information, and calculation means are additionally made with possibility of referring patient to category of patients, selection, depending on said category of patients, of algorithm from multitude of algorithms, suitable for normalisation of parameter of intrathoracic part volume with application of biometric information, and parameter normalisation. Algorithms represent algorithms for determination of conditional weight or conditional area of patients body surface with application of biometric information, with calculation means normalising obtained volume of intrathoracic part by means of conditional weight or conditional area of body surface. Method of monitoring lies in application of claimed device.EFFECT: application of the invention makes it possible to increase reliability of diagnostic interpretation of data.19 cl, 2 dwgИзобретение относится к медицинской технике, а именно к средствам мониторинга пациента. Устройство содержит вычислительные средства считывания данных с датчика, представляющих, по меньшей мере, одну физическую величину, измеренную в предварительно определенном положении сердечно-сосудистой системы пациента в виде функции от времени, и определения параметра, представляющего объем внутригрудного отдела с использованием данных с датчика. Устройство дополнительно содержит средство ввода индивидуальной информации о пациенте, содержащей информацию по категоризации и биометриче
