Question

a patient suddenly becomes pale and sweaty after an injection

Answer 1

Answer:

A.A toxic reaction to lidocaine.  

B.A toxic reaction to epinephrine.  

C.An allergic reaction to the local

anesthetic.  

D.Incipient syncope.  

E.An impending adrenal insufficiency.

Answer 2

Explanation:

A patient suddenly becomes pale and sweaty after an injection of 4ml of lidocaine 2% with epinephrine l:l00,000.The radial pulse is slow and steady. The respiration is slow. The blood pressure is 80/60. What is the most probable diagnosis?

Incipient syncope.

An impending adrenal insufficiency.

A toxic reaction to epinephrine.

A toxic reaction to lidocaine.

An allergic reaction to the local anesthetic.