title: I can see clearly now...but at what cost?
authors.forename: Anne M
authors.initials: AM
authors.lastname: Gillis
authors.forename: Derek V
authors.initials: DV
authors.lastname: Exner
mesh_terms: D020677:Angioscopes; D002304:Cardiac Pacing, Artificial; D002404:Catheterization / Q000295:instrumentation*; D004699:Endocardium / Q000503:physiopathology / Q000601:surgery*; D004867:Equipment Design; D006329:Heart Conduction System / Q000503:physiopathology / Q000601:surgery*; D006333:Heart Failure / Q000453:epidemiology / Q000503:physiopathology / Q000628:therapy*; D006352:Heart Ventricles / Q000503:physiopathology / Q000601:surgery; D006801:Humans; D055095:Optics and Photonics / Q000295:instrumentation