Denise Richards is still coming to terms with the loss of her ex-boyfriend, Patrick Muldoon. The actress recently opened up The Denise Richards Hails Patrick Muldoon’s ‘Best Performance’ She ‘Can’t

The cause of death of “Melrose Place” and “Days Of Our Lives” star Patrick Muldoon was reportedly determined to be a heart attack. His death certificate revealed Muldoon died of myocardial infraction April 19 at the age of 57,

Muldoon and Richards filmed "Dirty Hands" before he died of a heart attack.