PMID-sentid Pub_year Sent_text comp_official_name comp_offsetprotein_name organism prot_offset 20112435-2 2010 But physicians" concerns about the risk of hyperkalemia (elevated serum potassium level), a potentially fatal adverse effect, may limit optimal management with ACE-inhibitors. Potassium 72-81 angiotensin I converting enzyme Homo sapiens 160-163