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The Raven Progressive Matrices Test, in its various versions, has frequently been used in research on stress related diseases. In this paper the preliminary data relating to the administration of this version of test performed by a personal computer are presented. The "Coloured" version of the PM 47 was used, with the addition of a series of visual and acoustic stress stimuli; a maximum 30-second matrix presentation time was also introduced. Two groups took part in the test modified in this way: the first was made up of 23 male subjects aged 30 to 65 who had had a myocardial infarction in the previous six months; the second, a control group of the first, was composed of an equal number of subjects, without present or past cardiovascular or psychiatric disorders or illness. Frontal EMG, skin conductance response, peripheral temperature, heart rate and respiration rate were recorded at rest and during the test administration. The results obtained from the psychophysiological profile carried out on the two groups demonstrated the effectiveness of the methodology used in eliciting constant and stable stress responses.

The clinical recognition of the cardiac origin of chest pain or discomfort on the basis of the description made by the patient, is often difficult. Nevertheless, considering the importance of the correct diagnosis of such syndrome, much work has been done in this field. In this report we will comment data from the literature and from our own, on the quality, duration, irradiation and on the precipitating or relieving factors that are more frequently associated with anginal pain.