13 results
Hoffmann's Sign

Hoffman's sign means upper motor neuron injury.  The Hoffmann's reflex test itself involves loosely
upper motor neuron injury ... The Hoffmann's reflex ... #Reflex #Positive ... #Abnormal #clinical ... #video #neurology
Hoffmann's Reflex on Physical Exam
The Hoffmann's reflex itself involves loosely holding the middle finger and flicking
A positive response ... ’s reflex and finger ... individuals, and are ... not useful signs ... #clinical #neurology
Positive Hoffmann's sign (finger flexor reflex)

Flexion and adduction of the thumb and flexion of the index
Positive Hoffmann's ... sign (finger flexor ... indicating cervical injury ... #reflex #clinical ... #physicalexam #msk
Hoffman's sign. Even in this specific case, accompanied by a clonus outline (rhythmic contractions). The median
Hoffman's sign. ... this specific case ... #Reflex #Positive ... #Abnormal #clinical ... #video #neurology
The Neurological Evaluation of a Comatose Patient

Definition:
 • Coma: a state of unresponsiveness; the absence of
Awareness • Injury ... previous gaze position ... • Examine for signs ... Casey Albin MD @ ... #PhysicalExam #neurology
Hoffmann's sign was originally described as follows: the test is performed by supporting the patient's hand
The middle finger ... indicative of injury ... #Clinical #Video ... PhysicalExam #Neurology ... #Reflex
Upper Extremity Dermatomes and Myotomes
Motor Function
Shoulder:
 • Abduction - C5,C6 (axillary)
 • Adduction - C6, C7,
, T1 (median) Reflexes ... "waiter's tip" position ... spared in this injury ... Myotomes #diagnosis #neurology ... sensory #motor #arm
Lazarus Reflex on Physical Exam

The Lazarus sign is a reflex movement observed in brain-dead or brainstem
briefly raising the arms ... resembling the position ... reported in some cases ... #PhysicalExam #clinical ... #video #neurology
Spinal Cord Disorders - Differential Diagnosis Framework

Spinal cord neurological lesion:
Clinical findings:
 • Symptoms and signs below
neurological lesion: Clinical ... • Symptoms and signs ... Non-compressive Spinal Cord Causes ... dysfunction • Abnormal reflexes ... disorders #diagnosis #neurology
Myasthenia Gravis Overview

Myasthenia Gravis is an autoimmune disorder of the postsynaptic neuromuscular junction.  Ab to
proximal weakness, arms ... test - Cogan sign ... - Peek sign ... immunologic assay - MuSK ... diagnosis #management #neurology