Phenytion (Dilantin)

Question 1

Class (2)

Answer 1

• Anticonvulsant

- Antiarrhythmic

Question 2

Action (2)

Answer 2

• Stabilizes excitable neuronal membranes

- Alters sodium conduction through the sodium (fast) channels of cardiac cells

Question 3

Indications (4)

Answer 3

• Prevention of recurrent SZ activity
• Status epilepticus in conjunction with Diazepam–onset of action is slow ~10-20 min
• Ventricular ectopy due to dig toxicity and TCA ODs
• Trigeminal neuralgia

Question 4

Contraindications (3)

Answer 4

• Hypersensitivity
• Bradycardia
• 2nd and 3rd degree heart block

Question 5

Side Effects (8) HHNCCRAP

Answer 5

• Hypotension with rapid IV push (greater than 50 mg/min)
• Heart block
• Nystagmus
• Cardiovascular collapse
• CNS depression
• Respiratory depression
• Ataxia
  -Pain at the injection site