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BP different on each side

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Old 10-30-2007, 04:10 PM   #1
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suki1724 HB User
BP different on each side

I had a reading of 125/96 on my left arm and 125/78 on my right. That's a pretty big difference on the bottom number - is it normal for the numbers to fluctuate that much between arms???


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Old 10-30-2007, 06:37 PM   #2
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Re: BP different on each side

Typically the difference is 5-10 mm between arms. When it gets really high consistently, its worth asking your doctor about.


Old 10-30-2007, 07:23 PM   #3
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Re: BP different on each side

Tamuprof is correct.

Inter-arm differences in blood pressure are normal and, generally, nothing to worry about. They can be attributed to normal variation of blood pressure. In a clinical setting, the blood pressure should be measured routinely in both arms. The initial blood pressure measurement should be taken in both arms, follow-up measurements always in the same arm, the one with a higher reading. Unfortunately, this recommended practice is not followed.

Large consistent interarm differences in systolic pressure are often (but not exclusively) seen in people with obstructive arterial disease. Possible reasons for the BP differences between arms can be either congenital (such as aortic coarctation and thinning of arteries), or acquired (thrombus, embolus, pheochromocytoma, autonomic neuropathy etc.) Any consistent large differences in blood pressure between arms should be mentioned to your doctor. Because differences of 10 mmHg or more are quite common, what the doctors usually do is they ensure that the patient has no obstructive disease by appropriate testing. If the results are negative, the wait and see approach is adopted with repeat measurements periodically.


Last edited by flowergirl2day; 10-30-2007 at 07:33 PM.

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