health service manager7 - hex B7
- heart tamponade
- Heart test, EPS
- Heart transplant
- heart tube
- heart valve
- heart valve prosthesis
- Heart valves
- Heart ventricle
- heart worm
- Heart, artificial
- Heart, left
- Heart, Lung, and Blood Institute, National (NHLBI)
- Heart, right
- heart-hand syndrome
- heart-headed tapeworm
- heart-healthy
- Heart-lung machine
- heart-lung preparation
- heartbeat
- heartburn