منابع مشابه
Anticipatory Manoeuvres in Bird Flight
It is essential for birds to be agile and aware of their immediate environment, especially when flying through dense foliage. To investigate the type of visual signals and strategies used by birds while negotiating cluttered environments, we presented budgerigars with vertically oriented apertures of different widths. We find that, when flying through narrow apertures, birds execute their maneu...
متن کاملVestibular reflexes and positional manoeuvres.
Dizziness and vertigo are some of the more frequently encountered symptoms in neurology clinics. In turn, one of the most common causes of vertigo is benign paroxysmal positional vertigo (BPPV), accounting for a quarter of all patients with dizziness and vertigo. Reviewing the value of the positional manoeuvres available is relevant, particularly in the light of the efficient treatments availab...
متن کاملPhysical counterpressure manoeuvres reduced vasovagal syncope.
M e t h o d s Design: Randomized controlled trial (Physical Counterpressure Manoeuvres Trial). Allocation: Concealed.* Blinding: Blinded (patients).* Follow-up period: Mean 14 months. Setting: 15 medical centers worldwide. Patients: 223 patients who were 16 to 70 years of age with recurrent vasovagal syncope (≥ 3 syncope episodes in the past 2 y or ≥ 1 syncopal spell and 3 presyncopal episodes ...
متن کاملHaemodynamic Effects of Lung Recruitment Manoeuvres
Atelectasis caused by lung injury leads to increased intrapulmonary shunt, venous admixture, and hypoxaemia. Lung recruitment manoeuvres aim to quickly reverse this scenario by applying increased airway pressures for a short period of time which meant to open the collapsed alveoli. Although the procedure can improve oxygenation, but due to the heart-lung and right and left ventricle interaction...
متن کاملAlleviating manoeuvres (sensory tricks) in cervical dystonia.
BACKGROUND There is limited information on the phenomenology, clinical characteristics and pathophysiology of alleviating manoeuvres (AM), also called 'sensory tricks' in cervical dystonia (CD). METHODS Individual data, collected from 10 sites participating in the Dystonia Coalition (http://clinicaltrials.gov/show/NCT01373424), included description of localisation and phenomenology of AM coll...
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ژورنال
عنوان ژورنال: Index on Censorship
سال: 1997
ISSN: 0306-4220,1746-6067
DOI: 10.1080/03064229708536193