Stokes-Adams syndrome vs atrioventricular block

Stokes-Adams syndrome and atrioventricular block both are nouns.

Word	Noun	Adjective	Verb	Adverb
Stokes-Adams syndrome	Yes	No	No	No
atrioventricular block	Yes	No	No	No

As nouns, Stokes-Adams syndrome and atrioventricular block are synonyms defined as:

Stokes-Adams syndrome and atrioventricular block: recurrent sudden attacks of unconsciousness caused by impaired conduction of the impulse that regulates the heartbeat

Other synonyms of Stokes-Adams syndrome include Adams-Stokes syndrome, heart block.

Stokes-Adams syndrome (noun)	atrioventricular block (noun)
recurrent sudden attacks of unconsciousness caused by impaired conduction of the impulse that regulates the heartbeat	recurrent sudden attacks of unconsciousness caused by impaired conduction of the impulse that regulates the heartbeat