obstruction

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obstruction

Politics delay of business, esp in a legislature by means of procedural devices

obstruction

[əb′strək·shən]
(medicine)
Occlusion or stenosis of hollow viscera, ducts, and vessels.
(navigation)
Anything that hinders or prevents movement, particularly anything that endangers or prevents passage of a vessel or aircraft; usually refers to an isolated danger to navigation, such as a submerged rock or pinnacle in the case of marine navigation, and a tower, tall building, mountain peak, and so forth, in the case of air navigation.

obstruction

obstruction
Obstructions are marked by orange and white colours as well as by lights.
An existing object, object of natural growth, or terrain that is hazardous to an aircraft if the obstruction is on or near the runway or in the flight path. For purposes of certification, an object becomes an obstruction if its height is 35 ft (10.7 m) or 50 ft (15 m).
References in periodicals archive ?
Lingual haematoma: Yet another unusual cause of upper airway obstruction.
Chronic upper airway obstruction and cardiac dysfunction: anatomy, pathophysiology, and anesthetic implications.
On physical examination, micrognathia and upper airway obstruction caused by glossoptosis were noted.
Complete upper airway obstruction during awake fibreoptic intubation in patients with unstable cervical spine fractures.
When it does occur, it is usually accompanied by progressive upper airway obstruction.
The majority of patients with AE presented with sore throat as their major complaint,[1],[3] without signs or symptoms of upper airway obstruction such as respiratory distress, drooling, and stridor.
He noted that the dogs' UAR increased to the point that upper airway obstruction occurred.
Obtaining a flow volume loop in the pulmonary function laboratory is simple and effective method of noninvasively evaluating a patient for the presence of an upper airway obstruction.
When those dogs also have an upper airway obstruction, they cannot meet those increased breathing needs and become anxious and try to breathe harder.
She had no history of fever, dyspnea, hemoptysis, or features of upper airway obstruction.
Endotracheal intubation plays a key role in the management of upper airway obstruction in emergency situations.
Lingual haematoma leading to upper airway obstruction.