on 5/2/00 9:14 PM, Barbara/San Francisco at hlthcom@ix*.ne*.co* wrote: > An invasive cardiologist at the University of FL School of Medicine confi= rmed > Andrew=B9s doctor=B9s opinion on PFO evaluation (this was a few months ago wh= en > the debate surfaced on the tech list). Conventional ultrasonography alone > probably will not reveal a PFO, which occurs in 25-30% of the population.= To > reliably demonstrate a patent foramen, the technician would inject agitat= ed > saline and follow with a trans-esophageal lead (this involves swallowing = a > tube with an ultrasound lead implanted---somewhat invasive). >=20 >=20 >=20 > His comment to me was, =B3if you have a PFO, does this mean you=B9ll give up > diving? Cave diving? Decompression dives?=B2 barbara, That's pretty much what I was told during an ultrasound I had on my heart during an extensive checkup. The Ultrasound can't rule it out, but it can give your doc a pretty good idea whether you do or don't have a PFO--maybe in the higher percentile. But a further procedure is required to absolutely rule it out. Later, JoeL
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