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A member asked:
Why is propranolol prescribed for angina if it constricts blood vessels? i thought you wanted vasodilators for angina, like ccbs.
4 doctors weighed in across 3 answers
Propranolol: Vasoconstriction with propranolol is quite minor. The rate slowing is far more significant to helping angina.
Answered 8/2/2015
2.5k views
Afterload reduction: Propranolol reduces the workload on the heart muscle and slows the heart rate, allowing more blood flow during diastole, thereby reducing ischemia. Persons who have a myocardial infarction (heart attack) are less likely to have a second if treated with beta blockers like propranolol. Thanks for trusting HealthTap!
Answered 8/3/2015
2.5k views
Oxygen to the heart!: Propranol is a non-selective beta blocker in that it blocks beta 1 and beta 2 receptors. By blocking beta 1 it helps to slow down the heart allowing more blood to fill the chambers. By blocking beta 2 it constricts the coronary arteries allowing for more oxygenated blood to supply the heart muscles. CCBs work strictly on slowing down the heart and may be used in conjunction with beta blockers
Answered 8/3/2015
2.4k views
Related Questions
A member asked:
Head feels pressure & blood rushing in my head have had for 3 days. Was prescribed propranolol by neuro but gave me weird face twitch. What causesthis?
A doctor has provided 1 answer
A member asked:
I have very bad anxiety everyday i cant relax im constantly shaking & nervous my blood tests all came back fine 2 docs have prescribed me propranolol 10mg 2 times a day and 40mg 2 times a day what would be the correct dose for this level of anxiety?
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A member asked:
I am prescribed propranolol for blood pressure and i took one about an hour ago then forgot and took another one just now. Is that bad?
A doctor has provided 1 answer
A member asked:
I take propranolol 20 due to my mvp(prescribed by dr). It decreases my blood pressure. Will its complications reduce as the time go on?
A doctor has provided 1 answer
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