https://www.cardiosource.org/~/media/Files/ACC/Leadership/ACC%20Code%20of%20Ethics.ashx
6. Expert Witness Testimony
6.1 A member must be an acknowledged expert, having the appropriate education and experience, in the specific area in which he or she is testifying. A member shall not misrepresent his or her education and experience.
6.2 Expert witness testimony is considered the practice of medicine and should be provided in an objective manner using medical knowledge to form expert medical opinions that are subject to peer review.
6.3 A member providing expert testimony should be diligent in his or her preparation and should thoroughly review all pertinent medical records and all relevant information that has a bearing on the testimony.
6.4 Expert witness testimony should be fair, accurate, thorough, and objective.
6.5 A member appearing as an expert witness must identify personal opinions not generally accepted by other cardiologists.
6.6 A member shall not knowingly give false expert witness testimony or fail to perform adequate due diligence to determine the truth or falsity of the testimony.
6.7 Compensation for expert testimony should be reasonable and commensurate with the time and effort expended and not be contingent upon the outcome of litigation.