Sympathetic blockers Flashcards
non selective alpha blocker, irreversible
used for pheochromocytoma (pre-op) to prevent catecholamine crisis (HTN)
Phenoxybenzamine
non selective alpha blocker, reversible
give to pt on MAO inhibitors who eat tyramine foods
Phentolamine
alpha 1 blocker
used for urinary sympt of BPH, PTSD, HTN
prazosin, terazosin, doxazosin, tamsulosin
PTSD- prazosin
HTN- all but tamsulosin
alpha2 blocker
used to tx depression
Mirtazapine
beta blockers
acebutolol, atenolol, betaxolol, carvedilol, esmolol, labetalol, metoprolol, nadolol, nebivolol, pindolol, propanolol, timolol
uses of beta blockers
tx angina pectoris, MI, SVT, HTN, HF, glaucoma (decrease aq humor)
beta blockers used for MI to decrease mortality
metoprolol, carvedilol, bisoprolol
beta blockers used for SVT - decrease AV conduction vel, class II anti arrhythmic
metoprolol, esmolol
beta blocker used to tx glaucoma (lower aq humor)
timolol
beta1 selective antagonists (beta1>beta2)
acebutolol (partial agonist), atenolol, betaxolol, esmolol, metoprolol
non selective beta antagonists (beta1=beta2)
nadolol, pindalol (partial agonist), propanolol, timolol
non selective alpha + beta antagonists
carvedilol, labetalol
cardiac selective beta 1 blockers + stimulates beta3 receptors to activate NO synthase in vasculature
nebivolol