The clot prevents cells in the heart from receiving oxygen-rich blood and nutrients, destroying heart muscle.
'Politics is destroying heart surgery' Jump to media player In this Viewsnight, surgeon Stephen Westaby condemns what he calls a culture of blame in the NHS.
In fact, what kills people who die suddenly is not the artery clogging (which destroys heart muscle but is not immediately lethal); it's the ventricular fib, a rapid quivering of the main pumping chambers in the bottom of the heart, called the ventricles.
The soul destroying, heart breaking, what-am-I-doing-here type jobs where you felt like you were climbing Mount Everest every day.
Motherwell needed all the experience they could muster as Celtic hit them with wave after wave of attack in a determination to emulate the goal-happy form that destroyed Hearts in the Cup.
Many detest Big Pharma, and are convinced that selling out to bureaucratic marketing machines will destroy the heart and soul of their smaller, more agile firms.Consider Genentech, long viewed as the world's most successful biotechnology firm.
Leading racehorse breeders are to fight controversial plans for a new aircraft stacking zone above Newmarket, amid fears it could destroy the heart of Britain's multimillion-pound horseracing industry.
Construction of 40 major dams in the Brazilian Amazon would destroy the heart of the world's largest rainforest, severely affect indigenous people and is not economically justifiable, says Greenpeace in a major new report.
