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*  Rhinomanometry
Unilateral measurements are performed to detect any asymmetry or abnormality in nasal airway resistance. When the measurements ... Increased resistance on rhinomanometry after allergen application is an objective mean in proving allergy to airborne allergens ... Nasal obstruction leads to increased values of nasal resistance. Rhinomanometry may be used to measure only one nostril at a ... Increased pressure during respiration is a result of increased resistance to airflow through nasal passages (nasal blockage), ...
*  Airway resistance
... airway resistance is the resistance of the respiratory tract to airflow during inhalation and expiration. Airway resistance can ... these airways may collapse causing increased airway resistance. This is simply the mathematical inverse of airway resistance. G ... in asthma during an attack the airways constrict causing an increase in airway resistance. Airway resistance can also vary ... An individual small airway has much greater resistance than a large airway, however there are many more small airways than ...
*  Upper airway resistance syndrome
... or UARS is a common sleep disorder characterized by the narrowing of the airway that can cause ... Upper airway resistance syndrome is caused when the upper airway narrows without closing. Consequently, airflow is either ... "Upper airway resistance syndrome in children". Seminars in Pediatric Neurology: 207-215 - via Elsevier. "Upper Airway ... Medicine portal Airway resistance Sleep apnea Shneerson, John M., ed. (2005). Sleep Medicine (Second ed.). New York: Blackwell ...
*  Christian Guilleminault
The upper airway resistance syndrome". Chest. 104 (3): 781-7. doi:10.1378/chest.104.3.781. PMID 8365289. Attribution of the ... Following this work, he went on to describe the presence of elevated upper airway resistance in children in 1982, emphasizing ... "upper airway resistance syndrome" (UARS) in adults. Finally, working in collaboration with Dr. William C. Dement, Guilleminault ... "Sleep-induced apnea syndrome, a surgical procedure to establish patency of the upper airway during sleep". "Sleep-induced apnea ...
*  Peak inspiratory pressure
... increases with any airway resistance. Things that may increase PIP could be increased secretions, ...
*  Functional somatic syndrome
Upper airway resistance syndrome may also be implicated. Treatment may involve investigation, reassurance and explanation, and ... "Functional somatic syndromes, anxiety disorders and the upper airway: A matter of paradigms". Sleep Medicine Reviews. 15 (6). ...
*  Sarafotoxin
... increasing airway resistance. The bronchoconstriction is also caused by left ventricular dysfunction, caused by the SRTXs. Left ... it was found that there was a marked increase in airway resistance. This was likely caused by bronchoconstriction. ... "Resistance of the egyptian mongoose to sarafotoxins". Toxicon. 35 (8): 1251-1261. doi:10.1016/s0041-0101(97)00019-6. Lüscher, ... Bronchoconstriction occurred due to constriction of smooth muscle and airway wall thickening due to peribronchial edema. This ...
*  Sleep and breathing
Upper airway resistance is expected to be highest during REM sleep because of atonia of the pharyngeal dilator muscles and ... Airway resistance increases by about 230% during NREM sleep. Elastic and flow resistive properties of the lung do not change ... The increase in resistance comes primarily from the upper airway in the retroepiglottic region. Tonic activity of the ... Some have shown unchanged airway resistance during REM sleep, others have shown it to increase to NREM levels. Hypoxemia due to ...
*  Alexander A. Clerk
Upper Airway Resistance Syndrome, or Obstructive Sleep Apnea Syndrome". The Laryngoscope. 107 (6): 726-734 "Clinical Program - ... Upper Airway Resistance Syndrome, or Obstructive Sleep Apnea Syndrome". The Laryngoscope. 107 (6): 726-734. doi:10.1097/ ... "Recognition and Surgical Management of the Upper Airway Resistance Syndrome". The Laryngoscope. 106 (9): 1089-1093 Terris, D. J ... "Recognition and Surgical Management of the Upper Airway Resistance Syndrome". The Laryngoscope. 106 (9): 1089-1093. doi:10.1097 ...
*  ΔP
Airway resistance is typically increased by bronchospasm and airway secretions. Chest wall compliance can be decreased by fixed ... which eliminates the effects of airway resistance. Pplat is never > PIP and is typically < 3-5 cmH2O lower than PIP when airway ... Alterations in airway resistance, lung compliance and chest wall compliance influence Cdyn. C s t a t = V T P p l a t − P E E P ... Lung compliance Chest wall compliance Airway resistance Lung compliance is influenced by a variety of primary abnormalities of ...
*  Peak expiratory flow
... lung volumes and airway resistance in normal children ages 5 to 18". Br J Dis Chest. 64 (1): 15-24. doi:10.1016/S0007-0971(70) ... It measures the airflow through the bronchi and thus the degree of obstruction in the airways. Peak flow readings are higher ... The Airways Journal. 2 (2): 80. Retrieved 2006-06-06. Nunn A, Gregg I (1989). "New regression equations for predicting peak ... when patients are well, and lower when the airways are constricted. From changes in recorded values, patients and doctors may ...
*  W. Christopher Winter
"Enlargement of the lateral pharyngeal fat pad space in pigs increases upper airway resistance". Journal of Applied Physiology. ...
*  Transient tachypnea of the newborn
The increased fluid in the lungs leads to increased airway resistance and reduced lung compliance. It is thought this could be ...
*  Plethysmograph
With only a thoracic signal, all parameters can be obtained except for specific airway resistance (SRaw) and specific airway ... Another important parameter, which can be calculated with a body plethysmograph is the airway resistance. During inhalation the ... While observing the so-called resistance loop (cabin pressure and flow), diseases can easily be recognized. If the resistance ... including airway resistance and conductance. Different sizes of plethysmograph exist to study mice, rats or guinea pigs. The ...
*  Lung compliance
Pplat is never bigger than PIP and is typically < 3-5 cm H2O lower than PIP when airway resistance is not elevated. PEEP is ... During this maneuver, airflow is transiently (~0.5 sec) discontinued, which eliminates the effects of airway resistance. ... Alterations in airway resistance, lung compliance and chest wall compliance influence Cdyn. Lung compliance is an important ...
*  Safety of electronic cigarettes
A 2013 review found an instant increase in airway resistance after using a single e-cigarette. Any reported harmful effects to ... The short-term toxicity of e-cigarette use appears to be low, with the exception for some people with reactive airways. The ... A 2015 PHE report concluded that the risks of fire from e-cigarettes "appear to be comparable to similar electrical goods". ... A 2014 review found "disposable e-cigarettes might cause an electrical waste problem." Since the majority of e-cigarettes are ...
*  Heliox
Laminar flow tends to generate less resistance than turbulent flow. In the small airways where flow is laminar, resistance is ... The Hagen-Poiseuille equation describes laminar resistance. In the large airways where flow is turbulent, resistance is ... The mixture generates less resistance than atmospheric air when passing through the airways of the lungs, and thus requires ... Currently, heliox is mainly used in conditions of large airway narrowing (upper airway obstruction from tumors or foreign ...
*  Hypersomnia
Upper airway resistance syndrome (UARS) is a clinical variant of sleep apnea that can also cause hypersomnia. Just as other ... It is likely that a number of cases labeled as chronic fatigue syndrome are unrecognized cases of upper airway resistance ... For example, if a patient with sleep apnea is treated with CPAP (continuous positive airway pressure) which resolves their ...
*  Medical gas therapy
Laminar flow tends to generate less resistance than turbulent flow. In the small airways where flow is laminar, resistance is ... The Hagen-Poiseuille equation describes laminar resistance. In the large airways where flow is turbulent, resistance is ... Heliox generates less airway resistance than air and thereby requires less mechanical energy to ventilate the lungs. "Work of ... Currently, heliox is mainly used in conditions of large airway narrowing (upper airway obstruction from tumors or foreign ...
*  Nocturia
The increased airway resistance that is associated with obstructive sleep apnea may also lead to nocturnal polyuria. ...
*  Oxymetazoline
It can reduce nasal airway resistance (NAR) up to 35.7% and nasal mucosal blood flow up to 50%. Imidazolines are ... Vasoconstriction of vessels results in relief of nasal congestion in two ways: first, it increases the diameter of the airway ...
*  Sleep surgery
Sleep disordered breathing is a spectrum of disorders that includes snoring, upper airway resistance syndrome, and obstructive ... its muscle attachments to the tongue and airway are pulled forward with the aim of increasing airway size and improving airway ... Influence of nasal resistance on oral appliance treatment outcome in obstructive sleep apnea. SLEEP 2008;31 (4): 543 547 Lazard ... Lin HC, Friedman M, Chang HW, Gurpinar B. The efficacy of multilevel surgery of the upper airway in adults with obstructive ...
*  Exotic Shorthair
The syndrome can cause increased airway resistance, inflammation of structures in the airways, and increased strain on the ... "Brachycephalic Airway Syndrome in Cats". VCA Animal Hospitals. "Dystocia (difficult birth) in Cats". Cat World. Beck, C.; ... Brachycephalic airway obstructive syndrome. Also referred to as brachycephalic respiratory syndrome or congenital obstructive ... upper airway disease, this causes upper airway abnormalities ranging in severity. ...
*  Spirometry
FEV1 is diminished because of increased airway resistance to expiratory flow; the FVC may be decreased as well, due to the ... but the former is more affected because of the increased airway resistance). This generates a reduced value (. Spirometry tests ... It is sometimes directly followed by a rapid inhalation (inspiration), in particular when assessing possible upper airway ... premature closure of airway in expiration, just not in the same proportion as FEV1 (for instance, both FEV1 and FVC are reduced ...
*  Dual-control modes of ventilation
Peak airway pressure varies from breath to breath according to changes in the patient's airway resistance and lung compliance. ... Adapts to the patient's resistance and compliance on a breath-by-breath basis Tidal volume varies less than with pressure- ... Varying mean airway pressure When patient demand is increased (when the patient is short of breath) the ventilator will reduce ... to the patient according to the ventilator manufacturer's particular algorithm for determining the patient's resistance and ...
*  Westland Lysander
Two aircraft (T1443 and T1739) were transferred to the British Overseas Airways Corporation (BOAC) for training and 18 were ... particularly in occupied France with the help of the French Resistance. British army air co-operation aircraft were named after ... formed to undertake missions for the Special Operations Executive to maintain clandestine contact with the French Resistance.[ ...