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
Also called: Adams-Stokes syndrome, atrioventricular block
heart block in American English
noun
Pathology
a defect in the electrical impulses of the heart resulting in any of various arrhythmias orirregularities in the heartbeat
Word origin
[1900–05]
Examples of 'heart block' in a sentence
heart block
Terrifyingly, the doctor said I was suffering from heart block where the electrical impulses that make the heart beat don't always reach the heart.