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Hoffmann's reflex. Hoffmann's reflex ( Hoffmann's sign, sometimes simply " Hoffmann's ", also finger flexor reflex) [1] is a neurological examination finding elicited by a reflex test which can help verify the presence or absence of issues arising from the corticospinal tract. It is named after neurologist Johann Hoffmann. [2]
Lazarus sign. The Lazarus sign or Lazarus reflex is a reflex movement in brain-dead or brainstem failure patients, [1] which causes them to briefly raise their arms and drop them crossed on their chests (in a position similar to some Egyptian mummies ). [2] [3] The phenomenon is named after the Biblical figure Lazarus of Bethany, [4] whom Jesus ...
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If the Babinski reflex, or a positive Babinski sign, happens in children over 2 or in adults. This can indicate underlying neurological conditions, nervous system disorders, or brain disorders ...
The Hoffman sign refers to the results of the Hoffman test. This test is used to determine whether your fingers or thumbs flex involuntarily in response to certain triggers. The way that your ...
The Chvostek sign ( / ˈkvɒstɪk /) is a clinical sign that someone may have a low blood calcium level (a decreased serum calcium, called hypocalcemia ). The Chvostek sign is the abnormal twitching of muscles that are activated (innervated) by the facial nerve (also known as Cranial Nerve Seven, or CNVII). [1] When the facial nerve is tapped ...
The digital reflex; The snapping reflex; Tromner’s sign; Jakobsen’s sign; If your thumb or forefinger move after the doctor's flick, your Hoffman sign result is positive. This means that you ...
Myerson's sign or glabellar tap sign is a clinical physical examination finding in which a patient is unable to resist blinking when tapped repetitively on the glabella, the area above the nose and between the eyebrows. It is often referred to as the glabellar reflex. It is often an early symptom of Parkinson's disease, but can also be seen in ...