Large BP difference between arms

[the_unit]

Possible etiologies would be coarctation of the aorta or arterial stenosis (subclavian artery). You should see your GP, if this is a true 25mmHg difference would suggest vascular imaging.

An arterial thrombosis ("blood clot") results in an acute reduction in blood flow and acute symptoms (pain, pallor, pulselessness, paresthesia, paralysis).

 

[Jin23]

Possible etiologies would be coarctation of the aorta or arterial stenosis (subclavian artery). You should see your GP, if this is a true 25mmHg difference would suggest vascular imaging.

Had a quick look at those, yes, makes sense, very much appreciate your input!

An arterial thrombosis ("blood clot") results in an acute reduction in blood flow and acute symptoms (pain, pallor, pulselessness, paresthesia, paralysis)

Ok, I see. Tnx. So the no blood coming from the left arm vein, ... That's due to something else, possibly one of the two etiologies you mentioned? And would that mean that all the veins in my left arm wouldn't let blood out in a normal fashion?

 

[the_unit]

Arteries deliver blood from the heart to the periphery, veins return blood from the periphery to the heart. Blood pressure is measured across the artery. For a blood clot to cause a decrease in measured blood pressure not only would it need to be arterial, it would need to be proximal to the site you are measuring.

Like I mentioned, an asymptomatic blood pressure difference between arms is not due to a blood clot.

If you're actually interested in learning the nuances of blood clots, just briefly google "arterial thrombosis" and "deep vein thrombosis"

To reiterate, the top differential diagnosis of what you are describing would be coarctation of the aorta or subclavian stenosis.

 

[Jin23]

Arteries deliver blood from the heart to the periphery, veins return blood from the periphery to the heart. Blood pressure is measured across the artery. For a blood clot to cause a decrease in measured blood pressure not only would it need to be arterial, it would need to be proximal to the site you are measuring.

Like I mentioned, an asymptomatic blood pressure difference between arms is not due to a blood clot.

If you're actually interested in learning the nuances of blood clots, just briefly google "arterial thrombosis" and "deep vein thrombosis"

To reiterate, the top differential diagnosis of what you are describing would be coarctation of the aorta or subclavian stenosis.

Yes, bro, I didn't mention the blood clot again, I am well over that notion, so no need to convince me any further, but appreciate your further elaboration.

I see, we are taking blood from the vein, but the diminished blood pressure is in the arteries ... So the two diagnosis are unrelated, to the non functioning cephalic vein - the one we're using for blood samples. Tnx.

I just realized the bp difference is pronounced, like a 15 to 25 sys difference, when in a half laying position, legs stretched in front of me, but is much more similar when in a seated possition. If I walk around, then sit behind a table, and immediately start doing measurements, the difference will be like 10 points, but in time, as the body calms down, there is basically no difference between arms. But, in a half laying position; like in the bed, torso elevated with pillows, the difference is as described in the OP. 125/60 vs 105/60, is the most common measurement.