"sudden impairment" is correct and usable in written English.
You can use it whenever you want to refer to a sudden decline in somebody's physical, mental, or emotional capabilities. For example, you might say: "The patient experienced a sudden impairment in his vision after his accident."
When we first visited the patient, he referred that, prior to the stroke, he had been suffering over the last 40 years, of sudden impairment of vision, lasting for about 5 minutes, similar to a badly-tuned tv channel, with little spots moving in the entire visual field, with little if no disability.
The clinical presentation most suggestive of the diagnosis is that of a sudden impairment of renal function associated with mild proteinuria and abnormal urine analysis in a patient with flank pain, normal blood pressure and no edema.
One possible explanation for this is the occurrence of a "catastrophic" event a major and unpredictable change, such as sudden impairment of mt DNA repair processes (which are believed to be an ancestral trait within Anthozoa (Pont-Kingdon et al. 1998; Shearer et al. 2002; Brockman and McFadden 2012).
However, 2 years later, in February 2013, he had a sudden, substantial impairment of visual acuity.
Exclusion criteria were specific causes of sudden hearing impairment such as meningitis, traumas, or surgery outcomes and complications.
Our simulations predict just this, with incremental deletions of the gene resulting in a severe and sudden growth impairment.
The most common symptoms in the study group were earache and sudden hearing impairment; no cases of sudden hearing loss were experienced.
Otolaryngological symptoms are a less common group of dysfunction symptoms, including sudden hearing impairment or loss, ear plugging sensation and earache, sore and burning throat, difficulties in swallowing, tinnitus, and vertigo.
The following symptoms were taken into consideration when analyzing the results of medical interviews: sudden hearing impairment or loss, earache or sore throat, burning throat, tinnitus (squeaks, swishes, bubbling sounds, pulsations, whistles, chirps, and sea humming), and vertigo.
Otolaryngological symptoms are a less common group of dysfunction symptoms, including sudden hearing impairment or loss, ear plugging sensation and earache, sore and burning throat, difficulties in swallowing, tinnitus, and vertigo [ 3– 5].
A 70-year-old Caucasian woman presented to the emergency department of our hospital complaining of sudden visual impairment and floaters of her right eye initiated 2 weeks earlier.
