pulmonary artery the large artery originating from the superior surface of the right ventricle of the heart and carrying deoxygenated blood to the lungs for oxygenation; it starts as the pulmonary trunk, which divides between the fifth and sixth thoracic vertebrae to form the right pulmonary artery that enters the right lung and the left pulmonary ...
Expert witnesses may be subpoenaed (issued with a witness summons), although this is normally a formality to avoid court date clashes. In the United States, under the Federal Rule of Evidence 702 (FRE), an expert witness must be qualified on the topic of testimony.
(You'd probably conclude that the witness was being paid an extra $350 per hour in an effort to buy the testimony.) However, it is not all that unusual for the expert to be paid slightly more for appearing at trial, than doing ordinary office work. History as an Expert Witness or Consultant to Lawyers. 2  Some lawyers look for an experienced expert witness, and are reluctant to use as an expert a pure litigation novice who may not understand what being an expert in litigation involves or stand up to the pressure involved.