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- W2434795362 abstract "The purpose of the work was an attempt at determination of the value of exercise test for the assessment of haemodynamic heart effectiveness. The reaction of blood pressure and heart rate to exercise was accepted as the basis for analysis. The analysis was based on a material of 40 men aged 33-66 years (mean = 51 years) with a history of myocardial infarction in whom exercise tests were carried out one year after aortocoronary bypass graft implantation. The studied men were divided into two groups A abd B depending on the reaction of blood pressure and heart rate occurring during exercise. Group A consisted of persons who responded to exercise with blood pressure and heart rate in a physiological way. The patients in group B terminated the exercise test due to pathological response. The subject of the analysis were: ischaemic changes during exercise; duration of the exercise test; attained workload in Watts; heart rhythm disturbances in group A and B; segmental left ventricular contractility disturbances evaluated on the basis of echocardiography findings. Among the patients in group B a higher percent of positive tests was found as well as shorter duration of the test and lower mean workload in relation to the patients in group A. Contractility disturbances occurred significantly more frequently - 80% among the patients in group B with greater prevalence of more sever forms of akinesis and dyskinesis (p < 0.05). Hypokinesis was observed in 7 patients (35%), akinesis in 5 cases (25%), and dyskinesis in 4 cases (20%).(ABSTRACT TRUNCATED AT 250 WORDS)" @default.
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- W2434795362 date "1993-03-01" @default.
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- W2434795362 title "[Value of exercise test for assessment of hemodynamic efficiency of the heart]." @default.
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