Chapter 23: Nitrate Therapy (Antianginal drugs) Flashcards
1
Q
Drugs considered antianginals (3)
A
- Nitrates
- Beta Blockers
- Calcium Channel Blockers
2
Q
3 types of Angina
A
- Stable: caused by coronary artery disease. Occurs with predictable stress with exertion.
- Unstable (pre-infarction): medical
Emergency w/ frequent pain and severity unrelated to activity. - Variant (prinzmetal): caused by coronary artery spasms. Happens during rest.
3
Q
3 types of Angina
A
- Stable: caused by coronary artery disease. Occurs with predictable stress with exertion.
- Unstable (pre-infarction): medical
Emergency w/ frequent pain and severity unrelated to activity. - Variant (prinzmetal): caused by coronary artery spasms. Happens during rest.
4
Q
How do nitrates work to decrease cardiac work load?
A
Nitrates decrease venous tone.
5
Q
Contraindications with Nitroglycerin
A
- patient with Right ventricular myocardial infarction, shock, and cardiac tamponade.
- should NOT be used with severe anemia, cardiomyopathy and increased ICP.
6
Q
Interactions with Nitroglycerin
A
- patients taking phosphodiesterase-5 inhibitors within 24-48 hrs (sildenafil).
- herbal supplements can increase hypotensive effects.
7
Q
Titration Control
A
Follow titration control when giving IV Nitroglycerin to ensure safety. This control is a safe adjustment based on patient’s response to medication.
8
Q
Nursing teaching for patient taking Nitro
A
- notify MD if chest pain is not alleviated with 3 Nitroglycerin tablets.
- avoid situations or activities that can further vasodilate the body or cause hypotension.
- change positions slowly
9
Q
Sublingual nitroglycerin tablet should be kept under the tongue every ______ minutes for a maximum of 3 tablets.
A
5 min
10
Q
Route most common for Nitro
A
Sublingual
11
Q
Which route of nitroglycerin may cause tolerance?
A
Transdermal
12
Q
What is the therapeutic action of Nitro?
A
Dilates vessels
13
Q
Side effects of Nitro
A
Headache.
Hypotension.
Tachycardia.
