The phrase "abrupt deterioration" is correct and usable in written English.
It can be used to describe a sudden and significant decline in quality, condition, or performance.
Example: "The patient's health showed an abrupt deterioration, prompting immediate medical intervention."
Alternatives: "sudden decline" or "rapid deterioration."
Small but abrupt deterioration of the performances was observed, but no carbon deposition.
DiamondCluster, another technology consulting firm, issued a statement blaming its shortfall on "an abrupt deterioration in the North American economy".
A 19-year-old healthy female presented with an abrupt deterioration of left eye vision of 1-day duration.
Individual firms' data show that the system suffered an abrupt deterioration beginning in the summer of 2008.
Abrupt deterioration occurs within a few hours and, in the absence of adequate treatment, results in death (14 ).
Usually the reason for terminating a measurement series was a fairly abrupt deterioration of the visually induced calcium response.
Thus an event was defined as an abrupt local deterioration of DLS by more than –10 dB between any two examinations (Figs. 2, 3).
In December 2010, a 26-year-old Belgian woman was referred to the intensive care unit of the University Hospital of Antwerp, Belgium, because of fever and headache for 7 days and abrupt neurologic deterioration the day before admission.
ACLF is considered a distinct entity apart from decompensated cirrhosis; it is defined as an abrupt hepatic deterioration in patients with pre-existing chronic liver disease, which is usually related to a precipitating event and associated with increased mortality at three months due to multisystem organ failure [ 11- 13].
Pituitary apoplexy, although variable in its clinical appearance, should be considered as a part of the differential diagnosis in any patient who presents to the emergency department with an abrupt neuro-ophthalmological deterioration associated with headache.
Classically, the clinical features include an abrupt onset, stepwise deterioration, fluctuating course, and are often accompanied by focal motor and sensory abnormalities including early onset of urinary incontinence and gait disorders.
