
Battle Sign
Battle sign: mastoid ecchymosis indicating basilar skull fracture, described by W.H. Battle in 1890; it holds >75% PPV for posterior fossa injury.

Battle sign: mastoid ecchymosis indicating basilar skull fracture, described by W.H. Battle in 1890; it holds >75% PPV for posterior fossa injury.

Carl Gerhardt (1833–1902), German internist and paediatric pioneer, described Gerhardt’s sign and advanced diagnostics, paediatrics, and laryngology

Eugen Julius Karl Paul Alfred Stieda (1869 – 1945) was a German Surgeon. Eponym: The Stieda fracture, Stieda tubercle and Pellegrini-Stieda disease (1908)

Libman–Sacks endocarditis is a sterile cardiac valve lesion linked to lupus and antiphospholipid syndrome, often detected via echocardiography

Benjamin Sacks (1896–1971), cardiac pathologist and co-describer of Libman–Sacks endocarditis, also a Hollywood advisor and Arizona frontier historian.

Sidney Yankauer (1872–1932), American ENT surgeon and inventor of the Yankauer suction catheter, pioneer in bronchoscopy and surgical airway care

Adolphe-Marie Gubler (1821-1879) was a French physician and therapeutic pharmacologist. Millard-Gubler syndrome (1856)

Charcot–Marie–Tooth disease (CMT) is the most common inherited neuropathy, encompassing genetically diverse subtypes of peripheral nerve dysfunction.

Common viral illness in infants caused by HHV-6. Roseola presents with high fever followed by sudden rash; also known as sixth disease or exanthem subitum.

Filatov-Dukes disease, or fourth disease, was a proposed childhood exanthem now largely dismissed as a misclassification of rubella or scarlet fever.

Mild viral exanthem in children; dangerous in pregnancy. Rubella causes rash and lymphadenopathy, with congenital infection leading to CRS.

Scarlet fever (second disease). Contagious GABHS infection in kids under 10 with sore throat or rash; caused by S. pyogenes strains producing erythrogenic toxin.