They're chordae tendoneae (previous pinner comment). I couldn't find anything about them breaking, but it wouldn't surprise me at all!
I am so into what the words say...but then I see that they have come from the Bible. I don't believe the Bible is the word of God, even though I DO believe in HIM! Men wrote the Bible...suppose it's fine to like some of the things they wrote....
broken heart syndrome | We are a delicately wired (created/designed) machine....
stress-induced cardiomyopathy i.e. broken heart syndrome
Takotsubo Cardiomyopathy or Broken Heart Syndrome
A fact that you need to know http://www.mayoclinic.org/diseases-conditions/broken-heart-syndrome/basics/definition/con-20034635
Broken Heart Syndrome - WTF fun facts
(pronoun) me; people suffering from severe chronic intractable pain.
The science behind “broken heart syndrome”
Broken Heart Syndrome (Stress Cardiomyopathy) Symptoms, Causes, Treatments