shock

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Introduction References & Edit History Quick Facts & Related Topics

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Young boys working in a thread spinning mill in Macon, Georgia, 1909. Boys are so small they have to climb onto the spinning frame to reach and fix broken threads and put back empty bobbins. Child labor. Industrial revolution

The Rise of the Machines: Pros and Cons of the Industrial Revolution

Rural Irish landscape, Sligo, Ireland.

Why Is Ireland Two Countries?

The Colosseum, Rome, Italy. Giant amphitheatre built in Rome under the Flavian emperors. (ancient architecture; architectural ruins)

New Seven Wonders of the World

Franklin D. Roosevelt, who formulated the Four Freedoms.

7 Alphabet Soup Agencies that Stuck Around

Panoramic view at sunrise of moai, Ahu Tongariki, Easter Island (Rapa Nui), Chile

6 Lost Civilizations

An ancient egyptian hieroglyphic painted carving showing the falcon headed god Horus seated on a throne and holding a golden fly whisk. Before him are the Pharoah Seti and the goddess Isis. Interior wall of the temple to Osiris at Abydos, Egypt.

11 Egyptian Gods and Goddesses

airplane in flight (plane, aircraft, flying)

7 Puzzling Plane Disappearances

shock: Facts & Related Content

Written and fact-checked by The Information Architects of Encyclopaedia Britannica

News •

Shock as Karatina University student 'stabs girlfriend to death' on Valentine's Day • Feb. 17, 2025, 7:43 AM ET (Nation.Africa)

Shock, outrage after elementary school teacher fatally stabs 8-year-old in South Korea • Feb. 11, 2025, 10:06 PM ET (Straits Times)

Facts

Also Known As	circulatory shock

Topics

anaphylaxis psychogenic shock septic shock refractory shock cardiogenic shock irreversible shock neurogenic shock circulatory system cardiovascular disease syncope

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Key People

Sir William Maddock Bayliss

British physiologist

Walter Bradford Cannon

American neurologist and physiologist

George Washington Crile

American surgeon

Quiz

44 Questions from Britannica’s Most Popular Health and Medicine Quizzes