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Dr. Andrew Rynne
MD
Dr. Andrew Rynne

Family Physician

Exp 50 years

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What Causes Blackouts, BP In Left Arm Is Extremely Lower Than Right?

I have had approx 3 spells in the last week where I either blacked out or came close to blacking out. I also have noticed that my blood pressure in my left arm is running extremely lower verses the right arm. I am also having headaches and some nausea.
Tue, 21 Apr 2015
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Cardiologist,  's  Response

Hello!

Thank you for asking on HCM!

I recommend you to perform a comprehensive medical check up to your doctor (GP or Internist), to rule out any subclavian artery blood circulation abnormalities; to investigate for a possible subclavian steal syndrome, or any other lesion that affects blood circulation to supra aortic arterial branches.

An eventual Doppler ultrasound or even Angio CT or MRI, angiography, is sometimes necessary to clarify the diagnosis.

Hope to have been helpful to you. Greetings! Dr. Iliri
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What Causes Blackouts, BP In Left Arm Is Extremely Lower Than Right?

Hello! Thank you for asking on HCM! I recommend you to perform a comprehensive medical check up to your doctor (GP or Internist), to rule out any subclavian artery blood circulation abnormalities; to investigate for a possible subclavian steal syndrome, or any other lesion that affects blood circulation to supra aortic arterial branches. An eventual Doppler ultrasound or even Angio CT or MRI, angiography, is sometimes necessary to clarify the diagnosis. Hope to have been helpful to you. Greetings! Dr. Iliri