21 results
The Neurological Evaluation of a Comatose Patient

Definition:
 • Coma: a state of unresponsiveness; the absence of
• Mutism Pathophysiology ... Test downward eye ... Test if patient ... motor and sensation ... Casey Albin MD @
Newer Syphilis Reverse Algorithm 

The advent of newer, faster 
treponemal antibody tests have 
allowed high-throughput of
Syphilis Reverse Algorithm ... first step in the algorithm ... trep antibody) Reflex ... of inflammation caused ... Syphilis #Reverse #Algorithm
Acute Spinal Cord Injuries: Pathogenesis and clinical findings
 • Anterior Cord Syndrome -> Anterior spinal artery
Complete loss of motor ... upper and lower motor ... bladder and rectal reflex ... Syndromes #diagnosis #pathophysiology ... signs #symptoms #msk
Meralgia paresthetica: Pathogenesis and Clinical Findings
Compression/injury of Lateral Femoral Cutaneous Nerve (LFCN) -> Meralgia paresthetica
 •
radicular symptoms, motor ... gait, strength, reflexes ... Straight Leg Raise Test ... MeralgiaParesthetica #MSK ... #pathophysiology
Marcus Gunn Pupil - Relative Afferent Pupillary Defect (RAPD)
Definition: Afferent loop of the pupillary light reflex
pupillary light reflex ... Optic nerve* (main cause ... neuritis due to MS ... How to test it? ... swinging light test
Alzheimer’s Disease: Pathogenesis and Clinical Findings
Risk factor for Late Onset Alzheimer's (99% of cases):
 - Increasing
Alzheimer's (99% of cases ... Alzheimer's (1% of cases ... concentration • Motor ... seizure, primitive reflexes ... AlzheimersDisease #Dementia #pathophysiology
Subtrochanteric Femur Fracture: Pathogenesis and clinical findings
 • Subtrochanteric region spans 5 cm distally from the
fractures in elderly Causes ... height in elderly, motor ... Femur #Fractures #msk ... #differential #causes ... #pathophysiology
Bunnel-Littler PIP Joint Test on Physical Exam
For intrinsic vs joint capsule cause of restriction or tightness
Bunnel-Littler PIP Joint Test ... joint capsule cause ... MCP & passively flex ... BunnelLittler #Test ... clinical #video #msk
Cauda Equina Syndrome
Causes:
 • Large lumbar degenerative disc herniation (central)
 • Severe lumbar spondylosis
 • Neoplasm
Equina Syndrome Causes ... of normal leg reflexes ... CaudaEquina #Syndrome #MSK ... #pathophysiology
The algorithm below shows how pre-test probability could be combined with various criteria to determine which
The algorithm below ... shows how pre-test ... ) and negative Reller ... acyclovir in these cases ... HSV PCR would cause