8 results
Hoffmann's Sign

Hoffman's sign means upper motor neuron injury.  The Hoffmann's reflex test itself involves loosely
Hoffmann's Sign ... Hoffman's sign ... upper motor neuron injury ... #Hoffmanns #Sign ... #Reflex #Positive
Acute Spinal Cord Injuries: Pathogenesis and clinical findings
 • Anterior Cord Syndrome -> Anterior spinal artery
Acute Spinal Cord ... , often from vascular ... bladder and rectal reflex ... weakness and #Acute ... pathophysiology #signs
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 ... #Hoffmanns #sign ... clinical #hand #video
The Neurological Evaluation of a Comatose Patient

Definition:
 • Coma: a state of unresponsiveness; the absence of
• Locked-in syndrome ... Awareness • Injury ... previous gaze position ... previous gaze position ... • Examine for signs
Weakness - Differential Diagnosis Framework

Approach To Weakness:
 • Non-neuromuscular disorder (Cardiac, pulmonary etc)
 • CNS ->
Impairment: • Acute ... stroke syndromes ... Lack of UMN/LMN signs ... myositis • Genetic: Muscular ... myopathies, the muscular
Emergent Causes of Headache and Associated Risk Factors
Carbon monoxide poisoning
 - Breathing in enclosed or confined
other collagen vascular ... vasoconstriction syndrome ... or serotonergic drugs ... - Traumatic injury ... headache #redflags #signs
Spinal Cord Disorders - Differential Diagnosis Framework

Spinal cord neurological lesion:
Clinical findings:
 • Symptoms and signs below
• Symptoms and signs ... below the site of injury ... Vascular/Blockage ... MCTD, Sjogren syndrome ... dysfunction • Abnormal reflexes
Evaluation of Recurrent Falls

Core Concept:
Maintaining an upright posture requires the integrated function of multiple systems.
Disruption in
Cataracts - Macular ... Numbness in feet, positive ... Romberg sign ... instability (e.g., post-injury ... Contributing Factors • Medications