Sympathetic Inhibitors (Sympatholytics) Flashcards
1
Q
Alpha Blockers
A
-phentolamine
-terazosin and other “zosin” family drugs
-Used for hypertension and prostatic hypertrophy (enlarged prostate)
-ADR- orthostatic hypotension
2
Q
What is the antidote for losing a limb if Dopamine (or other chatecholmine) infiltrates and IV?
A
Phentolamine
3
Q
Beta Blockers
A
Drugs- “lol” Family
1. Propranolol
2. atenolol
3. metoprolol- common
Decrease workload of heart, angnia, dysrhythmias
- may be (beta 1 & 2) or cardioselective (Beta 1)
4
Q
Beta Blocker ADRs
A
Beta 1 - Blockage on heart and May mask symptoms of hypoglymecia (cautious with diabetic pts)
Beta 2- Blockage of lungs and May lead to hypoglycemia due to inhibition of glycogenolysis in times of stress
Beta 2 blockers be cautious with asthmatic patients because can make symptoms worse and interfere with rescue inhaler
