Cannabaceae

Levine's sign
Differential diagnosisischemic chest pain

Levine's sign is a clenched fist held over the chest to describe ischemic chest pain.[1]

It is named for Samuel A. Levine (1891–1966), an influential American cardiologist, who first observed that many patients with chest pain made this same sign to describe their symptoms. This clenched fist signal may be seen in patients with acute coronary syndrome (myocardial infarction and angina pectoris).[citation needed]

A variant of this sign, which uses the entire palm instead of the clenched fist over the chest, is commonly known as the palm sign, and in Latin America it is widely referred to as Cossio's Sign, Cossio-Levine Sign or Fuchs-Levine Sign. Argentine cardiologist Pedro Alurralde Cossio (1900-1986) who described the sign in 1934. Brazilian cardiologist Flávio Danni Fuchs (1950-) is also attributed as having described the sign.[2]

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One thought on “Cannabaceae

  1. Well, that’s interesting to know that Psilotum nudum are known as whisk ferns. Psilotum nudum is the commoner species of the two. While the P. flaccidum is a rare species and is found in the tropical islands. Both the species are usually epiphytic in habit and grow upon tree ferns. These species may also be terrestrial and grow in humus or in the crevices of the rocks.
    View the detailed Guide of Psilotum nudum: Detailed Study Of Psilotum Nudum (Whisk Fern), Classification, Anatomy, Reproduction

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