D V Abramkin

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BACKGROUND Low heart rate variability (HRV) reflecting predominance of sympathetic tone is an independent predictor of sudden cardiac death after myocardial infarction (MI). We have previously shown that decreased heart rate (HR) response during reflex tests (breathing 6 per minute and Valsalva maneuver at the end of the first week after MI is also(More)
UNLABELLED Long term heart rate variability is used for prediction of sudden cardiac death (SD). There are simpler methods of assessment of autonomic cardiac control - registration of heart rate response to reflex tests and determination of heart rate variability (HRV) on short ECG recordins. Comparative value for prognosis of SD after myocardial infarction(More)
UNLABELLED Prognostic significance of heart rate (HR) response to easy to perform provocative maneuvers such as Valsalva maneuver and deep breath requires further elucidation. METHODS Valsalva maneuver with calculation of Valsalva ratio (VR) and deep breath test with calculation of difference between average maximal and minimal HR during first minute of(More)
In order to assess practicability and safety of simple autonomic tests in survivors of acute phase of myocardial infarction (MI) attempts to carry out active orthostatic test, tests with controlled breathing (6 and 15 breaths per min), and Valsalva maneuver were performed in 210 patients on days 4-11 of MI. All patients had no signs of severe heart failure,(More)
BACKGROUND Some evidence exists that heart rate response to simple provocative maneuvers may predict sudden cardiac death (SD) after myocardial infarction (MI). However optimal test has not been not established yet. Aim of this study was to compare prognostic value of different noninvasive reflex tests after MI. METHODS Four reflex tests were(More)
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