They are not. Alpha blockers are given first because beta blockers without prior alpha blockade can cause a hypertensive crisis.
to prevent the leakage of epinephrine during the surgery
The most commonly used beta-blockers in Marfan patients are propranolol (Inderal) and atenolol (Tenormin). Patients who are allergic to beta-blockers may be given a calcium blocker such as verapamil.
Beta blockers, also known as beta-adrenergic blockers
Beta blockers work by blocking the hormone epinephrine, also called adrenaline. By doing this, beta blockers cause the heart to beat more slowly.
No they are not.
They are given because they can slow the heart down and make it pump less powerfully
figure it out
No. Beta blockers slow the heart rate and only affect the heart and how fast it pumps.
Beta blockers are actions of the sympathetic nervous system. It reduces stress and anxiety. you must make sure your beta blockers are in good condition.
you need a prescription :(