Luke collapsed on 6 April with "minimal cardiac output" and a "large volume of fluid" was found on his right chest.

BBC: Luke Jenkins death partly due to 'low staffing' levels

It appears to be the result of the abnormal volume or composition of fluid in the inner ear.

CNN: Meniere's disease

Like John McPhee's books on American geology, it's an extraordinarily comprehensive volume of natural science, written in a confident, dare we say, fluid style.

FORBES: The Story Of Eau

In order for all of the sensors in the inner ear to function properly, the fluid needs to retain a certain volume, pressure and chemical composition.

CNN: Meniere's disease

Influence is fluid, but it is one of the best ways to understand how to react and respond when volume is overwhelming.

FORBES: The Potentially Huge Market In 'Future-Tense Analytics'