PubMed · 1165965
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E B Shaw. 1975. Letter: Another idea regarding SIDS.. https://pubmed.ncbi.nlm.nih.gov/1165965/
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We describe a case of situational syncope induced by belching. The patient showed severe syncope with a high-degree atrioventricular block just after belching, but has not experienced syncope or dizziness over a 3-month follow-up after permanent pacemaker implantation.
Gas content and transit appear to conspire with the motor and sensory responses of the gut to produce gas related symptoms, both in normal individuals and especially in patients with irritable bowel syndrome (IBS). In relation to gas in IBS, two questions need to be addressed: do IBS patients produce more gas and what are the relationships between intestinal gas and symptoms? The balance of evidence seems to indicate that distension is a real phenomenon in IBS and that such distension accurately reflects gas content. More problematic is extrapolation of the observations relating symptoms to gas transit and retention.