(L.A.) Matthew Friedrichsen, 44, Died in a Parked Vehicle

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Case Number: 2025-17356

Los Angeles County is reporting the death of a 44-year-old White/Caucasian male that occurred inside a vehicle parked at his residence.

The coroner’s office identified the man as Matthew Friedrichsen.

Manner of Death: Natural

Cause of Death A: Right Coronary Artery Thrombosis

Cause of Death B: Atherosclerotic Cardiovascular Disease

RIP MATTHEW FRIEDRICHSEN ( November 5, 2025)

Formal pronouncement of death was made on Wednesday.

The most common cause of coronary artery thrombosis is atherosclerosis, where plaque builds up inside the arteries and ruptures, triggering the formation of a blood clot.​ Contributing factors include obesity, hypertension, and diabetes.
 

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