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Dr. Andrew Rynne
MD
Dr. Andrew Rynne

Family Physician

Exp 50 years

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What Causes Occasional Black Outs, Tingling Sensation In Arms, Hands And Legs?

So I ve been having small black outs since the age of 12. With these black outs I have tingling in my arms, hands, legs,and head and I normally have to hold onto something so I don t fall. I lose total vision and I have in a way feel pressure in my ears. I have recently started donating plasma and one night after I donated I ended up having a seizure. It started as a normal black out with all my normal effects but then I started convulsing uncontrollably. Scariest thing ever. Is this a cause of me donating plasma or should I be worried?
Tue, 12 May 2020
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General Surgeon,  's  Response
Hello,

As per my clinical experience, there can be various reasons for the tingling, black out sensation involving arms, hands and legs as it is after plasma donation:
- Vasovagal syncope
- Hypotension from intravascular volume depletion
- Inadequate response of baro and chemo receptors to cope up with the plasma donation
- Previously existing hypotensive states

However, a detailed history, physical examination is mandatory for this case evaluation and further guidelines accordingly.

Hope I have answered your question. Let me know if I can assist you further.

Regards,
Dr. Bhagyesh V. Patel, General Surgeon
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What Causes Occasional Black Outs, Tingling Sensation In Arms, Hands And Legs?

Hello, As per my clinical experience, there can be various reasons for the tingling, black out sensation involving arms, hands and legs as it is after plasma donation: - Vasovagal syncope - Hypotension from intravascular volume depletion - Inadequate response of baro and chemo receptors to cope up with the plasma donation - Previously existing hypotensive states However, a detailed history, physical examination is mandatory for this case evaluation and further guidelines accordingly. Hope I have answered your question. Let me know if I can assist you further. Regards, Dr. Bhagyesh V. Patel, General Surgeon