The epidural structure changes during deep breathing
نویسندگان
چکیده
منابع مشابه
Electrocardiographic changes during pressure breathing.
It was recognized many years ago that the form of the electrocardiogram could be modified by a voluntary increase of breathing pressure, as during the Valsalva manceuvre (Kahn, 1909). During the early part of the second world war further studies were undertaken by German workers (Zettel and Fink, 1939; Muller, 1941), and it was found that it was altered even by the small fluctuations of breathi...
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OBJECTIVE We hypothesized that the hemodynamic response to a deep inspiration maneuver (DIM) indicates fluid responsiveness in spontaneously breathing (SB) patients. DESIGN Prospective study. SETTING ICU of a general hospital. PATIENTS Consecutive nonintubated patients without mechanical ventilation, considered for volume expansion (VE). INTERVENTION We assessed hemodynamic status at ba...
متن کاملCerebral hemodynamic changes in stroke during sleep-disordered breathing.
BACKGROUND AND PURPOSE Sleep-disordered breathing (SDB) negatively impacts stroke outcome. Near-infrared spectroscopy showed the acute cerebral hemodynamic effects of SDB. METHODS Eleven patients (7 men, age 61±13 years) with acute/subacute middle cerebral artery stroke (National Institutes of Health Stroke Scale score 10±7) and SDB (apnea-hypopnea index 32±28/hour) were assessed with nocturn...
متن کاملColor Changes Kinetics and Heat Transfer during Deep Fat Frying of Garlic Slice
Heat and mass transfer phenomena that take place during frying cause physicochemical changes, which affect the colour and surface of the fried products. The effect of frying temperature on the colour changes and heat transfer during deep fat frying of garlic has been investigated. The colour scale parameters redness (a*), yellowness (b*) and lightness (L*), and color change intensity (∆E) were ...
متن کاملChanges in breathing variables during a 30-minute spontaneous breathing trial.
BACKGROUND Spontaneous breathing trials (SBTs) are increasingly performed. Significant changes in monitored breathing variables and the timing of those changes during the trial have important implications for its outcome determination and supervision. We aimed to study the magnitude and timing of change in breathing variables during the course of a 30-min SBT. METHODS Breathing variables were...
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ژورنال
عنوان ژورنال: Canadian Journal of Anesthesia/Journal canadien d'anesthésie
سال: 1999
ISSN: 0832-610X,1496-8975
DOI: 10.1007/bf03012974