Nitroglycerin (NTG)

Question 1

Pharm and Action

Answer 1

Vasodilator; Decreases peripheral resistance; Generalized smooth muscle relaxation; Reduces venous tone

Question 2

Indications

Answer 2

Pain thought to be coronary ischemia; Angina; Control of hypertension in angina or acute MI; Pulmonary edema

Question 3

Contraindications

Answer 3

Hypotension; Hypovalemia; ICP; Aortic stenosis; Severe bradycardia or tachycardia; Use of ED drugs in 24 hours

Question 4

Administration

Answer 4

0.4 mg SL; Dose may be doubled if patient uses NTG chronically; Repeat every 3-5 minutes up to 3 times

Question 5

Side effects and Special Notes

Answer 5

Headache, flushing, dizziness, burning under the tongue; Hypotension, have IV established beforehand; Reflex tachycardia/bradycardia; Syncope; May be effective in relieving chest pain due to esophageal spasm; Therapeutic effect is enhances but adverse effects are increased when patient is upright

Question 6

Class

Answer 6

A