Heart rate variation in tetraplegic patients.
نویسندگان
چکیده
منابع مشابه
Efficacy of coughing in tetraplegic patients.
STUDY DESIGN A randomized cross-over design study in six tetraplegic patients. OBJECTIVES To investigate the efficacy of coughing in tetraplegic patients. SUMMARY OF BACKGROUND DATA In tetraplegic patients, pulmonary complications due to insufficient clearance of bronchial mucus frequently are described. Coughing in tetraplegic patients is thought to be insufficient because of severely impa...
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Dyspnoea during generalised spasms is reported in three tetraplegic patients. Intraoesophageal electromyographic evidence strongly suggests that the dyspnoea is a result of diaphragmatic spasms. Utilisation of this EMG technique in other tetraplegic patients may add to our knowledge of variations in the distribution of the phrenic nerve nucleus within the spinal cord.
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Our goal was to determine the contributions of sympathetic and parasympathetic activity to entropy measures of heart rate variability (HRV). We compared our results with two commonly used methods to analyze HRV: standard deviation (SDNN) and power spectral analysis (HF norm). Beat-by-beat analysis of R-R intervals was performed in conscious dogs. The R-R intervals were analyzed with approximate...
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Using a computerised physiological monitoring system a cyclical variation in blood pressure (waves), with associated changes in heart rate and transcutaneous oxygen, was observed. Twenty five episodes were seen in 10 neonates, with a median gestation of 33 weeks (range 28-42 weeks). Eight neonates had an asphyxial injury. Blood pressure waves had a mean (SD) amplitude of 11.6 (5.6) mm Hg with a...
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Objective. To evaluate spectral heart rate (HR) variation using short-term ECG recordings at rest and during the tilt table test. Methods. The values of spectral components of total power (TP), high-frequency power (HF), low-frequency power (LF) and LF: HF ratio were measured at rest and during the head-up tilt in patients with temporal lobe epilepsy (TLE) and their control subjects. Results. C...
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ژورنال
عنوان ژورنال: BMJ
سال: 1979
ISSN: 0959-8138,1468-5833
DOI: 10.1136/bmj.1.6174.1353-c