Referred to in this news article from 1910:

SUDDEN DEATH.

—Mr. F. J. Nightingale, Deputy-Coroner, held an inquest at the Mortuary Chapel on Monday on the body of Miss Ellen Peerless, of the Ship Laundry, who died suddenly on Friday. She had been attended by Dr. McIntyre, and he stated that death was due to heart failure.

—The jury returned a verdict of “Death from natural causes.”

Source: Croydon Advertiser and East Surrey Reporter – Saturday 30 July 1910
from the British Newspaper Archive (subscription required)