Heart attack

A heart attack, scientifically referred to as myocardial infarction, (AUDIO: Immortal Beloved) was a condition affecting certain individuals of humanoid species.

As the Eighth Doctor noted: "Humans only have one heart, so it's perilously easy to bung it up". (AUDIO: Immortal Beloved)

In the 1840s, when a tenant farmer tried to flatten the tumulus on Lanyon Moor, he dropped dead of a heart attack. (AUDIO: The Spectre of Lanyon Moor)

The Seventh Doctor, who, being Gallifreyan, had a binary vascular system, once had a "one-sided" heart attack. (PROSE: So Vile a Sin)

Ben Jackson's father died of a heart attack. (AUDIO: The Yes Men)

Charles Kettering diagnosed the cause of Arthur Linwood's death as a heart attack, but the Third Doctor doubted this. (TV: The Mind of Evil)

In 2003, John Hartman suffered a heart attack at his desk and died. (AUDIO: The Rockery)

In 2011, Geraint Cooper suffered from a series of heart attacks. (TV: The New World, The Categories of Life)

By 2015, Griffith had survived five heart attacks. (AUDIO: Forgotten Lives)

Evelyn Smythe had a heart attack shortly before meeting the Doctor. (AUDIO: Project: Lazarus)

Don had a heart attack after finishing his last game of cricket. (AUDIO: Autumn)

A year after the Shakri cubes arrived on earth, the Eleventh Doctor suffered a heart attack when an electrical surge shot from the cube and stopped one of his hearts (TV: The Power of Three)

Colin Colchester-Price told Jane Colchester that her brother had died of a heart attack at a roundabout. (AUDIO: Future Pain)

The victims of the Foretold suffered a heart attack after the Foretold sucked out the energy from their cells. (TV: Mummy on the Orient Express)

The final stage of infection by parasitic Rempaths was a fit of rage, which resulted in a fatal heart attack. (PROSE: In the Blood)

Jackie Tyler's father, Prentice, died from a heart attack in 1997. (TV: Army of Ghosts)

Behind the scenes
Several Doctor Who contributors have suffered from heart attacks:
 * Patrick Troughton had three major heart attacks, in 1978, 1984, and 1987. He died from the last one.
 * Ian Marter died of a heart attack in 1986.
 * Jon Pertwee died of a heart attack in 1996.
 * Richard Hurndall died of a heart attack in 1984.
 * Michael Craze died of a heart attack in 1998.