A coronary occlusion is the partial or complete obstruction of blood flow in a
coronary artery
The coronary arteries are the arterial blood vessels of coronary circulation, which transport oxygenated blood to the heart muscle. The heart requires a continuous supply of oxygen to function and survive, much like any other tissue or organ ...
. This condition may cause a
heart attack
A myocardial infarction (MI), commonly known as a heart attack, occurs when blood flow decreases or stops to the coronary artery of the heart, causing damage to the heart muscle. The most common symptom is chest pain or discomfort which ma ...
.
In some patients coronary occlusion causes only mild pain, tightness or vague discomfort which may be ignored; however, the
myocardium, the muscle tissue of the heart, may be damaged.
In history
According to
Robert K. Massie
Robert Kinloch Massie III (January 5, 1929 – December 2, 2019) was an American journalist and historian. He devoted much of his career to studying and writing about the House of Romanov, Russia's imperial family from 1613 to 1917. Massie was ...
's ''
Nicholas and Alexandra: The Fall of the Romanov Dynasty'',
Tsar Nicholas II
Nicholas II or Nikolai II Alexandrovich Romanov; spelled in pre-revolutionary script. ( 186817 July 1918), known in the Russian Orthodox Church as Saint Nicholas the Passion-Bearer,. was the last Emperor of Russia, King of Congress Polan ...
may have suffered a coronary occlusion right before he was toppled from his throne during the Russian Revolution in 1917.
Massie, Robert K.
Robert Kinloch Massie III (January 5, 1929 – December 2, 2019) was an American journalist and historian. He devoted much of his career to studying and writing about the House of Romanov, Russian Empire, Russia's imperial family from 1613 to 1 ...
(2012), '' Nicholas and Alexandra: The Fall of the Romanov Dynasty''. New York, The Modern Library, p. 433. . Accessed 2016-11-19. Originally published in 1967 by Artheneum (United States) as ''Nicholas and Alexandra: An Intimate Account of the Last of the Romanovs and the Fall of Imperial Russia''. .
See also
*
Arterial embolism
References
Heart diseases
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