Iron County, Missouri - The Iron County Sheriff's Office has issued an endangered SILVER Advisory for a missing man.

According to the sheriff's office, Cecil Irvin Hedricks, 77, was last seen at the Zepher Station 147 Route Y in Viburnum, Mo. at 9 a.m. on Monday, Sept. 28.

He is described as a white male, 5' 8", 166 pounds, with gray hair and blue eyes.

They say he is known to have a heart condition and seizures. He recently suffered memory loss, confusion and has been without his heart medication since he went missing.

His vehicle is described as a 2003 Dodge pickup with Missouri license 9DV304.

Deputies say they're not sure what direction he went after he left the Zepher Station.

Anyone with any information should immediately call 911. You can also call the Iron County Sheriff's Office at 573-546-7051.