A prominent Massachusetts cardiologist who disappeared during a Saturday morning bike ride died from a self-inflicted gunshot wound to the head, authorities said.
The Office of the Chief Medical Examiner in Boston told The Post that Dr. Daniel Arnett’s cause of death was a gunshot wound to the head and that his death was ruled a suicide.
Arnett, 44, was last seen riding his bicycle in Newbury at about 10 a.m. Saturday. His body was discovered shortly after 2 p.m. Sunday near the cow pasture at Tendercrop Farm.
Investigators had previously said they did not believe foul play was involved.
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Arnett had been a cardiologist at Beth Israel Lahey Health since 2021. According to Doximity, his specialties included echocardiography, cardiac CT, nuclear cardiology and preventive cardiology.

This is a developing story. Please check back for updates.
If you or someone you know is affected by any of the issues raised in this story, call or text 988 to reach the Suicide & Crisis Lifeline, or text the Crisis Text Line at 741741.
If you are struggling with suicidal thoughts, call the 24/7 National Suicide Prevention Hotline at 988 or visit SuicidePreventionLifeline.org.