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In reply to the discussion: Off Topic: AndyS texted me about his situation: He's in a Ft. Worth hospital. [View all]Grasswire2
(13,738 posts)Not only are there meds that lessen the chances, but there are techniques that can stop the tach.
Vagal techniques. Take a deep deep breath, hold it as long as you can, then exhale as long as you can. Repeat. That is called the Valsalva Maneuver.
There are variations: get a bowl of ice water, hold a deep breath while immersing your face into the ice water and hold it as long as you can. Pull face out of water and exhale deeply. Repeat as necessary.
Another variation involves taking a deep breath, then blowing into a drinking straw with the other end pinched off by your fingers. Hold it as long as you can, then exhale. Repeat as necessary.
Those are a few techniques.
Long history here of SVT. Long, long history.
A little gadget called a pulse oximeter is a good thing to have. It clips on your fingertip, and shows your pulse and also your oxygen level. About twenty bucks at any pharmacy or on amazon.