| pubmed-article:8181889 | pubmed:abstractText | An 18-year-old boy with congenital complete heart block presented with recurrent syncope following insertion of a rate-responsive dual-chamber pacemaker. Head-up tilt testing demonstrated a primary vasodepressor response with severe hypotension and reproduction of symptoms. Treatment with fludrocortisone and salt abolished symptoms, and repeat tilt testing was negative. | lld:pubmed |
