Dane -- who shot to fame amid six seasons on the hit ABC drama "Grey's Anatomy," where he played Dr. Mark Sloan, affectionately known as "McSteamy" -- said his symptoms began over one year ago, when he began to experience weakness in his right hand.

The San Francisco-born star of ‘Grey’s Anatomy’ and ‘Euphoria’ has been on Good Morning America this week to discuss the frightening realities of amyotrophic lateral

The ‘Grey's Anatomy’ star recently spoke to ‘Good Morning America’ about experiencing paralysis after being diagnosed with ALS in April.

Eric Dane told Good Morning America’s host, Diane Sawyer, about the experience he had before his diagnosis. He said he was experiencing weakness in his right hand, but credited it to being tired. Also,

Eric Dane and his doctor discussed his ALS diagnosis, symptoms and the rise in causes during an emotional 'Good Morning America' interview

The former “Grey’s Anatomy” star, who was recently diagnosed with ALS, recalled the dramatic episode when he realized he “couldn’t swim.”