title: From the needle to the optrode: assessment of cardiac intramural electrical activity.
authors.forename: André G
authors.initials: AG
authors.lastname: Kleber
mesh_terms: D000200:Action Potentials / Q000502:physiology*; D000818:Animals; D004562:Electrocardiography / Q000295:instrumentation* / Q000379:methods; D004867:Equipment Design; D019544:Equipment Failure Analysis; D005336:Fiber Optic Technology / Q000295:instrumentation* / Q000379:methods; D006329:Heart Conduction System / Q000502:physiology*; D008564:Membrane Potentials / Q000502:physiology*; D011726:Pyridinium Compounds; D011817:Rabbits; D013050:Spectrometry, Fluorescence / Q000295:instrumentation* / Q000379:methods; D016276:Ventricular Function
chemical_list: D011726:Pyridinium Compounds; C048153:4-(6-(4-dibutylaminophenyl)-1,3,5-hexatrienyl)-1-(4'-sulfobutyl)pyridinium