A Coast Guard 47-foot Motor Lifeboat crew from Coast Guard Station Golden Gate and emergency medical services personnel from Southern Marine Fire Protection District assist a woman experiencing symptoms of a heart attack on the 54-foot passenger vessel Salty Lady at the Station Golden Gate dock in Sausalito, Calif., June 7, 2017. The Salty Lady was operating 17 miles west of the Golden Gate Bridge when the woman began experiencing chest pains. U.S. Coast Guard photo by Petty Officer 2nd Class Matthew Whitlow.