Atropine degrades slowly, typically wearing off in 7 to 14 days, so it is generally used as a therapeutic mydriatic, whereas tropicamide (a shorter-acting cholinergic antagonist) or phenylephrine (an Î±-adrenergic agonist) is preferred as an aid to ophthalmic examination.
Read More. The normal ammonia range is 10â47 Î¼mol/L. High ammonia levels and signs of hepatic encephalopathy is a worsening of brain function that occurs when the liver is no longer able to remove toxic substances in the blood due to cirrhosis. Symptoms may be mild at first.
Ammonia Levels in the Body. Chemical reactions in the body release ammonia as a waste product and the liver turns it into a less toxic chemical called urea. The kidneys remove the urea from the body in the urine. According to the National Institutes of Health, the normal range of ammonia in the blood is between 15 and 45mcg/dL. Abnormal cell function in the liver means ammonia levels increase in the blood. Medical Treatment