Nitroglycerine

Question 1

Nitroglycerin classification

Answer 1

Vasodilator

Question 2

Nitroglycerin action

Answer 2

1. Dilates vessels in peripheral circulation resulting in:
   a. DECREASED PERIPHERAL RESISTANCE
   B. DECREASE BP
2. DECREASE WORKLOAD ON HEART
3. DILATES CORONARY ARTERIES
4. Dilates vessels in smooth muscle
5. Improves CO in patients with CHF

Question 3

Nitroglycerin onset and duration

Answer 3

1. 1-3 min

2. 30-60 min

Question 4

Nitroglycerin indication

Answer 4

1. Chest pain

2. CHF with pulmonary edema and adequate BP

Question 5

Nitroglycerin contraindication

Answer 5

1. BP100

Question 6

Nitroglycerin precautions

Answer 6

1. With S&Sy of AMI limit BP drop to 10% of baseline or 30% if hypertensive
2. ED drugs

Question 7

Nitroglycerin dosage and administration

Answer 7

ACS dose: .4mg SL every 5 min x 3 with BP > 100, total max dose = 2mg
CHF dose:
a. distress and BP >100 - .4mg SL every 3-5 min, total max dose 2mg

Question 8

Nitroglycerin adverse reaction

Answer 8

Hypotension, headache, flushing

Question 9

Nitroglycerin protocol

Answer 9

Cardiac (chest discomfort, ACS)

Respiratory (difficulty breathing)