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Mydriasis is the dilation of the pupil, usually having a non-physiological cause, [3] or sometimes a physiological pupillary response. [4] Non-physiological causes of mydriasis include disease , trauma , or the use of certain types of drugs .
Pethidine is the most widely used opioid in labour and delivery. [16] It has fallen out of favour in some countries, such as the United States, in favour of other opioids, due to its potential drug interactions, especially with serotonergics, and its neurotoxic metabolite, norpethidine. [10]
To say that mydriasis is "mainly caused by stimulation of the sympathetic system" is not entirely correct. SNS directly causes mydriasis and PNS interruption indirectly causes mydriasis - neither action is the main one. I'm not a neurologist but I believe mydriasis, whether pharmacologically induced or due to injury or other pathology, due to ...
The condition affects about 0.1% of the general population at some point in their life and 0.05% in any given year. [5] The condition usually first occurs between 20 and 40 years of age. [2] Men are affected about four times more often than women. [5] Cluster headaches are named for the occurrence of groups of headache attacks (clusters). [1]
Neuroleptic malignant syndrome (NMS) is a rare [5] [6] but life-threatening reaction that can occur in response to antipsychotics (neuroleptic) or other drugs that block the effects of dopamine. [ 1 ] [ 7 ] Symptoms include high fever , confusion, rigid muscles, variable blood pressure, sweating, and fast heart rate. [ 1 ]
Graves' disease data has shown that the lifetime risk for women is around 3% and 0.5% for men. [39] It occurs about 7.5 times more often in women than in men [1] and often starts between the ages of 40 and 60. [6] It is the most common cause of hyperthyroidism in the United States (about 50 to 80% of cases). [1] [4]
Physostigmine, an acetylcholinesterase inhibitor, can be used to treat glaucoma and delayed gastric emptying.Because it enhances the transmission of acetylcholine signals in the brain and can cross the blood–brain barrier, physostigmine salicylate is used to treat anticholinergic poisoning (that is, poisoning by substances that interfere with the transmission of acetylcholine signaling, such ...
The plot of Dangerous Men is nigh incomprehensible, and changes abruptly towards the middle of the film. Mina (Melody Wiggins) and her fiancé, Daniel (Coti Cook) are walking on a beach when two bikers, named Tiger and Leo, set upon them. They kill the fiancé and attempt to rape Mina. In the struggle, Leo is killed and Tiger goes to leave the ...