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A member asked:
How many mg of articaine would have to be injected into a blood vessel to cause toxic system effects? such as in dentistry?
4 doctors weighed in across 2 answers
Dental Anesthetics: Dental anesthetics are injected with an aspirating syringe.. the plunger pulls back a bit after insertion and the dentist can see through the glass ampule if there is any blood. If so, s/he removes the needle from that area and the blood vessel. It is very rare to inject directly into a blood vessel.
Answered 2/27/2021
1 views
ANY AMOUNT: INJECTIONS ARE NOT TO BE INJECTED INTO BLOOD VESSLES ONLY NEAR OR AROUND THEM. INJECTIONS GO NEAR OR CLOSE TO THE NERVES UNLESS IT IS AN UPPER INJECTION IN THE BACK OF THE MOUTH WHERE THERE IS A LOT BLOOD VESSLES THAT IF AN INJECTION GOES INTO THEM THAN A HEMATOMA CAN OCCUR. MOST SYNRINGES ARE ASPIRATING SO YOU CAN PULL BACK THE NEEDLE TO SEE IF ANY BLOOD IS PRESENT. SWELLING WILL OCCURE.
Answered 2/28/2021
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