Louis Henri Vaquez (27 August 1860 – 15 April 1936) was a French internist born in Paris. He is known for his work in the field of

hematology Hematology ( always spelled haematology in British English) is the branch of medicine concerned with the study of the cause, prognosis, treatment, and prevention of diseases related to blood. It involves treating diseases that affect the produc ...

and his research of

heart disease Cardiovascular disease (CVD) is a class of diseases that involve the heart or blood vessels. CVD includes coronary artery diseases (CAD) such as angina and myocardial infarction (commonly known as a heart attack). Other CVDs include stroke, hea ...

. In 1890 he earned his medical doctorate, and in 1895 became ''médecin des hôpitaux'' in Paris. In 1898 he was promoted to ''

professeur agrégé A teacher, also called a schoolteacher or formally an educator, is a person who helps students to acquire knowledge, competence, or virtue, via the practice of teaching. ''Informally'' the role of teacher may be taken on by anyone (e.g. whe ...

'', and in 1918 was appointed professor of clinical medicine and elected a member of the Academy of Medicine. Cardiologist

Pierre Potain Pierre Carle Édouard Potain (19 July 1825 – 5 January 1901) was a French cardiologist born in Paris. In 1853 he earned his doctorate from the University of Paris, and later worked as an assistant to Jules Baillarger (1809-1890) at the mental a ...

(1825–1901) was an important influence in his medical career. In 1892 he was the first to describe the blood disorder

polycythaemia vera Polycythemia vera is an uncommon myeloproliferative neoplasm (a type of chronic leukemia) in which the bone marrow makes too many red blood cells. It may also result in the overproduction of white blood cells and platelets. Most of the health ...

or polycythaemia rubra vera, which is also known as "Osler-Vaquez disease" (named with physician William Osler (1849–1919). Vaquez described the disease in a 40-year-old male suffering from chronic

cyanosis Cyanosis is the change of body tissue color to a bluish-purple hue as a result of having decreased amounts of oxygen bound to the hemoglobin in the red blood cells of the capillary bed. Body tissues that show cyanosis are usually in locations ...

, distended veins, vertigo, dyspnea, hepatosplenomegaly,

palpitations Palpitations are perceived abnormalities of the heartbeat characterized by awareness of cardiac muscle contractions in the chest, which is further characterized by the hard, fast and/or irregular beatings of the heart. Symptoms include a rapi ...

and marked erythrocytosis. He was among the first physicians to recognize the correlation of Stokes-Adams attack to interference of the bundle of His causing a discordant beating of the atria in relation to that of the ventricles. He is credited with introducing the electrocardiogram and recording of the

jugular venous The jugular veins are veins that take deoxygenated blood from the head back to the heart via the superior vena cava. The internal jugular vein descends next to the internal carotid artery and continues posteriorly to the sternocleidomastoid ...

pulse into French medicine. He also conducted research of cardiac arrhythmia and

hypertension Hypertension (HTN or HT), also known as high blood pressure (HBP), is a long-term medical condition in which the blood pressure in the arteries is persistently elevated. High blood pressure usually does not cause symptoms. Long-term high bl ...

. Vaquez was founder and editor of the journal ''Archives des maladies du coeur, vaissaux et du sang''.

Bibliography

* ''Sur une forme spéciale de cyanose s’accompagnant d’hyperglobulie excessive et persistante''. Comptes rendus de la Société de biologie, Paris, 1892, 44: 384-388. * ''Les arythmies''. Paris, J. Baillière, 1911 * ''Le cæur et l’aorte''. with E. Bordet. Paris, 1913; 4th edition, 1928. * ''Maladies du coeur''. Paris, 1920; 2nd edition, 1928 * ''Les troubles du rythme cardiaque'', with Edouard Donzelot (1884–1960); Paris, 1926.Louis Henri Vaquez - bibliography
at Who Named It

References

''Louis Henri Vaquez''
@ Who Named It {{DEFAULTSORT:Vaquez, Louis Henri French hematologists 1860 births 1936 deaths French cardiologists Scientists from Paris