noun
- Recurrent sudden attacks of unconsciousness caused by impaired conduction of the impulse that regulates the heartbeat.
WordNet 3.0 © 2006 by Princeton University
| APA | WordNet. (2010). heart block. Retrieved September 20, 2026, from http://smartdefine.org/heart_block/definitions/1246702 |
| Chicago | WordNet. 2010. "heart block" http://smartdefine.org/heart_block/definitions/1246702 (accessed September 20, 2026). |
| Harvard | WordNet 2010, heart block, Smart Define, viewed 20 September, 2026, <http://smartdefine.org/heart_block/definitions/1246702>. |
| MLA | WordNet. "heart block" 23 October 2010. Web. 20 September 2026. <http://smartdefine.org/heart_block/definitions/1246702> |