Sökning: "sinus"
Visar resultat 6 - 10 av 119 avhandlingar innehållade ordet sinus.
6. Respiratory Sinus Arrhythmia and Emotion : Effects of pictorial stimuli and state anxiety
Sammanfattning : Respiratory sinus arrhythmia (RSA) refers to heart rate variations due to respiration, which results from parasympathetic nervous system activity mediated via the tenth cranial nerve, the vagus. Thus, the magnitude of RSA is considered as an index of cardiac vagal tone. This thesis explored RSA during emotional responding in healthy women and men. LÄS MER
7. Humming, nitric oxide and paranasal sinus ventilation
Sammanfattning : The paranasal sinuses are air-filled bony cavities surrounding the nose. They communicate with the nose via the sinus ostia through which fluid and gases pass in both directions. A proper ventilation is crucial for sinus integrity and blockage of the ostia is a major risk factor for development of sinusitis. LÄS MER
8. Oxygen exchange in the human maxillary sinus
Sammanfattning : .... LÄS MER
9. Cardiovascular responses to carotid sinus nerve stimulation
Sammanfattning : .... LÄS MER
10. Ventilation of the Paranasal Sinuses. A study using the 133-Xenon Washout Technique
Sammanfattning : A noninvasive 133-xenon washout technique was used to evaluate the ventilation of the paranasal sinuses in healthy subjects and in patients with sinus disease. A mixture of air and 133-xenon is insufflated into the nasal cavities and passage into the sinuses is facilitated by a pressure increase created by letting the subjects inflate a balloon. LÄS MER