Dictionary.com
Thesaurus.com
Showing results for heart block. Search instead for heart clot.

heart block

American  

noun

Pathology.
  1. a defect in the electrical impulses of the heart resulting in any of various arrhythmias or irregularities in the heartbeat.


heart block British  

noun

  1. Also called: Adams-Stokes syndrome.   atrioventricular block.  impaired conduction or blocking of the impulse that regulates the heartbeat, resulting in a lack of coordination between the beating of the atria and the ventricles

"Collins English Dictionary — Complete & Unabridged" 2012 Digital Edition © William Collins Sons & Co. Ltd. 1979, 1986 © HarperCollins Publishers 1998, 2000, 2003, 2005, 2006, 2007, 2009, 2012

Etymology

Origin of heart block

First recorded in 1900–05

Example Sentences

Examples are provided to illustrate real-world usage of words in context. Any opinions expressed do not reflect the views of Dictionary.com.

See Examples For:

Jen Singer is a ghostwriter and editor who has survived cancer, a complete heart block, and heart failure.

From MarketWatch May 27, 2026

It later emerged the ECG showed signs of a "complete heart block" which can lead to sudden cardiac death.

From BBC Jun. 4, 2024

After a week of relentless media queries, doctors revealed to the public what Netanyahu, 73, had kept hidden for 20 years: a chronic, generally asymptomatic but potentially fatal conduction disorder or heart block.

From Slate Jul. 31, 2023

In a video statement, Dr. Eyal Nof said that the heart monitor had sounded an alert late Saturday after detecting a condition called heart block.

From Seattle Times Jul. 24, 2023

Digitalis has been found to produce partial to complete heart block when therapeutically administered.

From Arteriosclerosis and Hypertension: with Chapters on Blood Pressure, 3rd Edition. by Warfield, Louis Marshall

Vocabulary.com logo
by dictionary.com

Dictionary.com's Learning Companion

Go beyond just looking up words.
Remember them forever with VocabTrainer.

Start training