Moniz sign

Moniz sign
Synonyms
Pronounce	N/A
Specialty	Neurology
Symptoms	Hyperextension of the big toe
Complications	N/A
Onset	N/A
Duration	N/A
Types	N/A
Causes	Upper motor neuron lesion
Risks	N/A
Diagnosis	Neurological examination
Differential diagnosis	Babinski sign, Chaddock sign, Oppenheim sign
Prevention	N/A
Treatment	Address underlying cause
Medication	N/A
Prognosis	Depends on underlying condition
Frequency	Rare
Deaths	N/A

``` This template provides a structured summary of the Moniz sign, a neurological sign indicating an upper motor neuron lesion, characterized by hyperextension of the big toe. It is used in the field of neurology and is part of the differential diagnosis for other similar signs such as the Babinski sign. Moniz Sign is a clinical sign in medicine that indicates the presence of an abdominal aortic aneurysm. It is named after the Portuguese neurologist António Egas Moniz.

Definition

The Moniz Sign is defined as the presence of a pulsatile mass in the abdomen that is not transmitted through the aorta. This sign is often associated with an abdominal aortic aneurysm, a condition characterized by an enlargement of the aorta, the main blood vessel that delivers oxygenated blood to the circulatory system, in the abdomen.

Clinical Significance

The presence of Moniz Sign can be a crucial indicator of an abdominal aortic aneurysm. This condition can lead to life-threatening complications if not detected and treated promptly. The sign can be detected during a physical examination, where the healthcare provider may feel a pulsating mass in the abdomen.

History

The Moniz Sign is named after António Egas Moniz, a Portuguese neurologist and the winner of the Nobel Prize in Physiology or Medicine in 1949. Moniz is also known for his work in the development of cerebral angiography and prefrontal leucotomy.

See Also

• Abdominal aortic aneurysm
• Ant√≥nio Egas Moniz
• Aorta
• Cerebral angiography
• Prefrontal leucotomy