Quintiliano H. de Mesquita (Quintiliano H. Guedes de Mesquita) (1918 – October 28, 2000),
Brazil
Brazil ( pt, Brasil; ), officially the Federative Republic of Brazil (Portuguese: ), is the largest country in both South America and Latin America. At and with over 217 million people, Brazil is the world's fifth-largest country by area ...
ian
physician
A physician (American English), medical practitioner (Commonwealth English), medical doctor, or simply doctor, is a health professional who practices medicine, which is concerned with promoting, maintaining or restoring health through th ...
and
scientist
A scientist is a person who conducts Scientific method, scientific research to advance knowledge in an Branches of science, area of the natural sciences.
In classical antiquity, there was no real ancient analog of a modern scientist. Instead, ...
, was born in
João Pessoa, state of
Paraíba
Paraíba ( Tupi: ''pa'ra a'íba''; ) is a state of Brazil. It is located in the Brazilian Northeast, and it is bordered by Rio Grande do Norte to the north, Ceará to the west, Pernambuco to the south and the Atlantic Ocean to the east. Paraíba ...
. His parents were Odilon Martins de Mesquita, trader, and Nathália Guedes Pereira.
Biography
He obtained his degree of
M.D.
Doctor of Medicine (abbreviated M.D., from the Latin ''Medicinae Doctor'') is a medical degree, the meaning of which varies between different jurisdictions. In the United States, and some other countries, the M.D. denotes a professional degree. T ...
in 1939 at the Faculdade de Medicina do
Recife
That it may shine on all ( Matthew 5:15)
, image_map = Brazil Pernambuco Recife location map.svg
, mapsize = 250px
, map_caption = Location in the state of Pernambuco
, pushpin_map = Brazil#South A ...
, state of
Pernambuco
Pernambuco () is a state of Brazil, located in the Northeast region of the country. With an estimated population of 9.6 million people as of 2020, making it seventh-most populous state of Brazil and with around 98,148 km², being the 19 ...
. In 1940 he moved to
São Paulo
São Paulo (, ; Portuguese for 'Saint Paul') is the most populous city in Brazil, and is the capital of the state of São Paulo, the most populous and wealthiest Brazilian state, located in the country's Southeast Region. Listed by the GaWC a ...
where he made his specialization in
cardiology
Cardiology () is a branch of medicine that deals with disorders of the heart and the cardiovascular system. The field includes medical diagnosis and treatment of congenital heart defects, coronary artery disease, heart failure, valvular heart d ...
at the
Hospital Municipal de São Paulo under the direction of Dr.
Dante Pazzanese, staying there as voluntary assistant giving annual
lecture
A lecture (from Latin ''lēctūra'' “reading” ) is an oral presentation intended to present information or teach people about a particular subject, for example by a university or college teacher. Lectures are used to convey critical inform ...
s on
arrythmia
Arrhythmias, also known as cardiac arrhythmias, heart arrhythmias, or dysrhythmias, are irregularities in the heartbeat, including when it is too fast or too slow. A resting heart rate that is too fast – above 100 beats per minute in adults ...
s until 1949. In 1945 he founded and directed the Cardiology Institute of
Matarazzo Hospital till 1979. In 1943 he was one of the founders of the
Brazilian Society of Cardiology. Dr. Mesquita was also appointed as honorary professor at the Faculdade de Medicina da
Universidade Federal da Paraíba.
Among Dr. Mesquita's several pioneer contributions to the medical science, the most important are:
1) A new
electrocardiographic
Electrocardiography is the process of producing an electrocardiogram (ECG or EKG), a recording of the heart's electrical activity. It is an electrogram of the heart which is a graph of voltage versus time of the electrical activity of the hear ...
classification of incomplete
branch block with the discovery of 2 new types of bundle branch block in 194
2) First case of
post-infarction ventricular aneurism operated by
Charles Bailey in 1954. Charles P. Bailey in a letter of March 16, 1954 accepted the idea offered by Quintiliano H. de Mesquita to perform the
aneurysmectomy in his patien
3) First case of right ventricular
infarction
Infarction is tissue death (necrosis) due to inadequate blood supply to the affected area. It may be caused by artery blockages, rupture, mechanical compression, or vasoconstriction. The resulting lesion is referred to as an infarct
(from the ...
diagnosed
in vivo
Studies that are ''in vivo'' (Latin for "within the living"; often not italicized in English) are those in which the effects of various biological entities are tested on whole, living organisms or cells, usually animals, including humans, and ...
by new electrocardiographic patterns. contradicting the
ECG Cavity Theory and confirming the ECG Vectorial Theory of Myocardial Infarction, in 195
Myron Prinzmetal
Myron Prinzmetal (February 8, 1908 – January 8, 1987) was an American cardiologist. He studied hypertension and heart arrhythmias among many other topics, and was the first to describe Prinzmetal's angina, Prinzmetal angina.
Early life
Myron P ...
agreed with his diagnosis on July 22, 1959 by lette
On November 27, 1981
Ary L. Goldberger agreed that the vectorial theory is more flexible than the cavity potential explanation to Q waves
4) The Myogenic Theory of Myocardial Infarction, in 197
supporting the use of cardiac
glycoside
In chemistry, a glycoside is a molecule in which a sugar is bound to another functional group via a glycosidic bond. Glycosides play numerous important roles in living organisms. Many plants store chemicals in the form of inactive glycosides. ...
s in
prevention and in
treatment of acute coronary syndromes. Awarded with the Ernst Edens Tradition Prize by the International Society for Infarct Combat, 197
5) The confirmation of the Prinzmetal's Theory of Accelerated Conduction, 199
References
External links
Online biography
1918 births
2000 deaths
Brazilian cardiologists
20th-century Brazilian physicians
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