Assertion: heart murmur | /r/CapableOf | progress into heart failure
Facets:
Source sentences:
text: If worse, comes to worse, a heart murmur can progress into heart failure and the affected dog will develop coughing and exercise intolerance.
text: Varying greatly on the underlying cause, a heart murmur can progress into heart failure, which, of course, can lead to a much shorter life as expected, whereas some dogs can live out their entire lives with a low-risk murmur.