Systemic complications of LA

Question 1

What are the medical emergencies?

Answer 1

S-P-O-R-T

Question 2

Decreased CO2 levels leads to

Answer 2

alkalosis

Question 3

Decreased blood ionized ca levels leads to

Answer 3

neuromuscular irritability as tingling, twitching, paresthesia, muscle spasm and convulsions

Question 4

What drug prescribed at hyperventilation?

Answer 4

Valium 10mg orally to calm the patient

Question 5

LA allergens are (predisposing factors)?

Answer 5

Ester L.A agents
Preservative Methyl paraben
Topical Anesthesia
Metabisulfite (V.C Antioxidant)

Question 6

Allergy to ester-type

Answer 6

Amide type is used

Question 7

Allergy to amide type

Answer 7

Other Amide type is used

Question 8

If doubts presist

Answer 8

Dental ttt done via G.A, Histamine blockers, Nitrous oxide and oxygen.

Question 9

cricothyroidotomy in case of

Answer 9

laryngeal edema

Question 10

Definitive ttt in Allergy

Answer 10

• Re-assure patient
• Epinephrine … I.M ofEpipen or ( Adults 0.3 ml epi/ /child 15-30 kg = 0.15 ml/ Child<15kg = 0.075 ml )
• Histamine blocker 50 mg Diphenhydramine IM
• Corticosteroids 100 mg Hydrocortisone sodium succinate IM or IV

Question 11

If Definitive ttt measures fail and respiratory obstruction endangers life

Answer 11

a cricothyrotomy or Tracheostomy performed.

CPR

Question 12

What is the most cause of local anesthetic toxicity?

Answer 12

Anesthetic is administrated intravascularly

Question 13

If hypotension persists for extended periods (30 min)

Answer 13

Mild Vasopressor (Ephedrine) is administrated I.M

Question 14

Adrenaline should be avoided

Answer 14

with poorly hyperthyroid patients and patients taking Thyroid hormone (Thyroxine)