Cedrick
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a 70 year old man begind taking a drug to prevent angina pectoris
at his next visit his pulse has decreased from 70/min to 60/imn
and his blood pressure has decreased from 130/90mm Hg
The drug most likey to be for these changes is wich of the following ??
a.-captopril
b.-nifedipibne
c.-nitroglycerin
d.-prazosin
e.-propranolol
I am confused
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| Cedrick
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I am sorry and tired it has decreased from 130/90 to 110/70
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| Cedrick
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Sorry I feel silly but I took a break and got
it is C
Thank you for your patience with me
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| Cedrick
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Well I got corrected today
Nitroglicerin is for ongoing angina
Beta 1 blockers propanolol are for hypertension and to prevent angor pectoris
so there you have it
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| Slacker
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How is it C. Plz explain. I was thinkin the answer is propranalol because its a beta blocker. it decreases the cardiac output and heart rate---->decreased blood pressure. also since the heart rate is decreased, the pulse is decreased. None of the other drugs listed actually effect the heart rate. So answer is E. Plz correct me if i'm wrong
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| robin082006
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It must be E for sure
C may cause decrease in BP but increase in heart rate due to reflex tachycardia
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| Diego Casali
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It's E. No doubt.
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| Slacker
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I think all of them except E. would cause a reflex tachycardia!!!
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| HILFIGER
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I think E, but I am not sure whether B causes reflex tachy or not.
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| Slacker
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yes, nefidipine will cause reflex tachycardia because its going to block calcium channels only in the smoot mus of vesels and not in the heart
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| HILFIGER
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Thanks Slacker
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| Cedrick
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Slacker ok
check your lippincotts Pharmacology beta blockers adverse effects
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| Cedrick
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As I post before Nitroglicerin is for ongoing Angina
Propanolol to prevent it
I Had the same thought that you did but some told where to raed and I got corrected just want you to get the correct one
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| mjl1717
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PROPANOLOL the nonselect beta antagonist has a negative chronotropic, negative ionotropic, and negative dromotropic effect and decreases renin release the Beta 1 affect. it definitely lowers H.R. via B1. its BP lowereing affect is mostly via it B1 affect.[MAP = CO times TPR] its used in HTN, end of story.
Edited by mjl1717 on 06/05/06 - 11:24 PM
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| docswapna
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yes E..
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| klimt
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wouldn't captopril be a good choice also since he is 70 years old?
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