• pump
  • The heart is a muscular pump that contains four chambers: right atrium, left atrium, right ventricle and left ventricle. (freemd.com)
  • large
  • The two small atria make up the top of the heart, and the two large ventricles make up the bottom of the heart. (freemd.com)
  • time
  • At the time of progression of carcinoid heart disease, compared to the previous 6 months, there was a significant increase in median levels of 5-HIAA (791 umols/24hr vs 460.5 umols/24hr) and flushing episodes (4.5 episodes per day vs 2 episodes per day). (ahajournals.org)