CV Meds: Antianginal Meds Flashcards
(18 cards)
Antianginal meds use organic nitrates, beta blockers, and Ca+ channel blockers to…
Treat pain related to imbalances in myocardial O2 supply and demand
How do Antianginal meds reduce O2 demands of the heart?
- They release peripheral vascular smoothie muscles
- Resulting in dilation of arteries/veins 3. Thus reducing venous blood return (decreased preload) to the heart
- Leads to decreased O2 demands of the heart
Antianginal meds can also increase myocardial O2 demand by..
Dilating large coronary arteries and redistributing blood flow
Example of Antianginal med:
Nitroglycerin
Types of nitroglycerin (4):
- SL tabs
- Sustained release tabs
- Transdermal ointment
- Transdermal unit (patch)
What is nitroglycerin used for?
- acute anginal attack
- phroohylaxis of chronic stable or variant angina
What are the side effects of nitroglycerin?
- headache
- orthostatic hypotension
- reflex tachycardia
- tolerance
What are some contraindications of Antianginal meds?
- pts with head injury
- caution with pts taking antihypertensives meds (hypotensive risk)
- pts taking erectile dysfunction meds (life threatening hypotension)
Nitrostat/Nitrolingual is given how?
Sublingually
Instructions for administering Nitrostat/Nitrolingual:
- Administer SL
- Rest for 5 minutes
- If pain unrelieved with 1st tab, call 911
- Then take 2nd tab
- May use up 3 tabs taken 5 minutes apart (max of 15 min)
How do you store Nitrostat/Nitrolingual?
- Keep in original dark container
- Do not shake container (forms bubbles)
- Replace NTG tabs every 6 months
If taking prophylactically, how long before exercise should you take Nitrostat/Nitrolingual?
5-10 min before
If taking Nitrostat/Nitrolingual, you should wear a:
Medical alert bracelet
Nitro-Bid is what kind of med?
A topical ointment
Applications instructions for Nitro-Bid:
- wear gloves for application
- do not massage or rub area
- apply to area without hair (chest, flank, or upper arm preferable)
- cover area where cream is with clear plastic wrap and tape in place
- gradually reduce dose and frequency over 4-6 weeks
How long do you gradually reduce dose and frequency of Nitro-Bid application over?
4-6 weeks
Nitrodur is what kind of medication?
A transderm patch
Instructions for Nitrodur (transderm patch) application:
- optimal locations: upper chest/side, pelvis, and inner, upper arm
- put on in morning
- wear for 12-14 hrs then remove
- rotate skin sites