The next day we talk to an Afghan general, Sayed Malook, who says he is heart-broken by the killing and wishes he could speak English so he could tell Captain Barrie's family how deeply sorry he is.

BBC: Afghanistan: How will all the sacrifice be remembered?

The procedure to remove leads, which can tear heart tissue or leave broken pieces of the wire inside veins, is controversial.

WSJ: Agonizing Choices for Heart Patients

Once it's clear that broken heart syndrome is the cause of your symptoms, your doctor will likely prescribe heart medications for you to take while you're in the hospital, such as angiotensin-converting enzyme (ACE) inhibitors, beta blockers or diuretics.

CNN: Broken heart syndrome