CTV News | Alberta researchers make strides in recognizing tough-to-diagnose form of ... CTV News Alberta researchers are hoping to save more lives after making what they call 'significant' advances in recognizing and treating one of the toughest-to-diagnose forms of heart failure. Diastolic heart failure occurs when the heart fails to fill with ... Alberta researchers closer to earlier diagnosis of heart disease Alberta project shows promise in treating difficult to diagnose heart condition |