5000 BCPaleolithic drawing of mammoth in El Pindal cave in Spain may represent earliest understanding of the heart.
150 Galen, whose teachings were unchallenged for 1,000 years, writes about dyscrasias of the heart.
1510Leonardo da Vinci records his concept of the physiology of circulation.
1553Michael Servetus discovers the lesser circulation of blood and is burned at the stake for spreading heresy.
1628William Harvey is the first to explain the true nature of circulation and to describe myocardial infarction.
1768 William Heberden coins the term "angina pectoris" for chest pain linked with impaired circulation.
1867T. Lauder Brunton introduces the use of amyl nitrite for angina.
1903Willem Einthoven, a Dutch physiologist, invents the electrocardiogram.
1990Mortality from heart attacks drops to half the 1963 levels, largely because of diagnostic improvements, medications, and lifestyle education.
2000 and beyondRapid advances lead to greatly improved outcomes for coronary heart disease patients, but the incidence rises in the aging population.
Taken from postgradmed.com
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