Assertion: local anesthetic's epinephrine | /r/HasProperty | added as vasoconstrictor
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Source sentences:
text: For adults, a maximum of 4.5 mg of lidocaine per kilogram of body weight can be administered, whereas as much as 7 mg/kg can be used if the lidocaine solution has 1:100,000 epinephrine added as a vasoconstrictor.