Lawrence Martin, MD
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Martin L.; Diving, Patent Foramen Ovale, and Brain Lesions. Ann Intern Med. 2001;135:928. doi: 10.7326/0003-4819-135-10-200111200-00018
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Published: Ann Intern Med. 2001;135(10):928.
TO THE EDITOR:
Schwerzmann and associates (1) reported an increased prevalence of ischemic brain lesions in sport divers with and without patent foramen ovale. Unfortunately, they confused their study group with most of the world's sport divers. There are at least two recognized categories of “sport” diving: recreational and technical (2). Certification agencies define recreational diving as diving to no deeper than 39 m (130 ft), using a single tank of compressed air, and never requiring decompression. Technical diving includes everything else (for example, using nonair mixtures, diving deeper than 39 m [130 ft], and performing cave diving) (2).
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Print ISSN: 0003-4819 | Online ISSN: 1539-3704
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