
Katz-Wachtel phenomenon
Katz-Wachtel phenomenon: Large biphasic QRS complexes (tall R waves + deep S waves) in V2-5. First described by Louis Nelson Katz in 1937

Katz-Wachtel phenomenon: Large biphasic QRS complexes (tall R waves + deep S waves) in V2-5. First described by Louis Nelson Katz in 1937

Description Biot respiration History 1876 – Biot studied patients with Cheyne–Stokes respiration at l’Hôtel-Dieu de Paris. In a 16-year old male with tuberculous meningitis he observed a previously undescribed pattern of breathing which he termed ‘rhythme meningitique‘. He found the…

The Trendelenburg position is credited to german surgeon Friedrich Trendelenburg, who created the position to improve surgical exposure of the pelvic organs during operations.The Trendelenburg position involves placing the patients head down, and elevating the feet.
Graves Ophthalmopathy: constellation of findings, apparent in 25-50% of patients with Graves disease. Robert Graves 1835

Graves disease: Autoimmune disease that affects the thyroid. A form of hyperthyroidism manifesting the triad of goitre, exophthalmos and pretibial myxoedema.

Möbius sign: Diagnostic test in patients with Morbus Basedow (Graves disease) - the inability to maintain ocular convergence in the presence of hyperthyroidism.

Dupuytren contracture: A gradual thickening and tightening of the fascia under the skin of the palm and fingers in the hand.

Lown–Ganong–Levine syndrome (LGL): Proposed pre-excitation syndrome. Accessory pathway composed of James fibres.

Neurofibromatosis (NF) is the term used to describe a group of genetic disorders primarily affecting the cell growth of neural tissues. Neurofibromatosis type 1 (NF1) is a neurodermal dysplasia, previously known as von Recklinghausen disease. (1882)

Bennett fracture: Intra-articular fracture of the base of first metacarpal with carpometacarpal joint involvement. Edward Hallaran Bennett (1837-1907)

Rolando fracture (1910) Comminuted T/Y-shaped intra-articular three-part fracture base of first metacarpal. Silvio Rolando (1873-1949)

Midfacial facial injeuct classification. Maxilla separated from the skull base along planes of injury. Described by René Le Fort (1869- 1951) in 1901