Medical Emergencies & Drugs in Dentistry — NEET MDS | CrackMDS

Epinephrine IM. Intramuscular epinephrine is the immediate life-saving drug.

Vasovagal syncope. Vasovagal syncope is the most frequent emergency.

Angina pectoris. Nitroglycerin relieves anginal chest pain.

⭐ High-Yield Facts for Exam

Vasovagal syncope — the most common dental office emergency; position supine, legs raised.
Anaphylaxis — first drug is epinephrine IM (adult 0.3-0.5 mg, anterolateral thigh) + airway/oxygen + antihistamine/steroid as adjuncts.
Angina — sublingual nitroglycerin.
Hypoglycemia — oral glucose if conscious; IV dextrose/glucagon if not.
Seizure — protect the patient; benzodiazepine (midazolam) for prolonged seizures.

Maintain an emergency kit and oxygen; know basic life support.

Syncope = most common; anaphylaxis = epinephrine IM first; angina = sublingual nitroglycerin.

Q1. The first drug in anaphylaxis is:

A. Antihistamine

B. Epinephrine IM

C. Hydrocortisone

D. Salbutamol

Show Answer

✅ Answer: B

Intramuscular epinephrine is the immediate life-saving drug.

Q2. The most common medical emergency in the dental office is:

A. Anaphylaxis

B. Vasovagal syncope

C. Seizure

D. MI

Show Answer

✅ Answer: B

Vasovagal syncope is the most frequent emergency.

Q3. Sublingual nitroglycerin is used for:

A. Hypoglycemia

B. Angina pectoris

C. Syncope

D. Asthma

Show Answer

✅ Answer: B

Nitroglycerin relieves anginal chest pain.

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