The phrase "acute obstruction" is correct and usable in written English.
It can be used in medical contexts to describe a sudden and severe blockage in a bodily passage or organ.
Example: "The patient was diagnosed with an acute obstruction in the intestines, requiring immediate surgical intervention."
Alternatives: "severe blockage" or "sudden obstruction".
Increased resistive index as a sign of acute obstruction, distinguishing between obstructive and non-obstructive dilatation [25].
On rare occasions, clots arising from the left atrium or left ventricle may enter the coronary vessels and cause acute obstruction and symptoms of disease.
Another mechanism of acute renal failure is characterized by acute obstruction of the flow of urine from the kidneys; this condition is easily treated by restoring adequate urinary drainage from at least one kidney.
It is not usually seen in cases of acute obstruction.
The early phase is usually secondary to an acute obstruction of the bile duct and becomes clinically evident with an increase jaundice and alteration of liver function tests.
Five patients who had a pre-existing tracheotomy needed emergency intervention because of an acute obstruction or dislocation of the cannula.
Mini-tracheostomy is performed widely to remove accumulated sputum [1] and acute obstructions of the airway [2].
Later in ESP there is encapsulation of the outer wall of the small bowel by the fibrotic peritoneum with thickening and contraction of the mesentery, which can trap the small bowel centrally, leading to a 'cocooning' of the small bowel with acute or sub-acute obstruction (Fig. 13d) [23].
Exclusion criteria included: evidence of brain metastases, current infection, unresolved bowel obstruction or sub-acute obstruction, uncontrolled Crohn's disease or ulcerative colitis, and a current history of chronic diarrhoea.
In terms of patho-physiology, there is evidence to suggest that perception may vary depending on whether there is acute airway obstruction or prolonged airway obstruction.
Pneumothorax ex-vacuo was first described as the result of gas being drawn into the pleural space due to acute endobronchial obstruction with lobar collapse that is fully reversible once the obstruction is resolved [ 5].
