21 results
Spondylolysis & Spondylolisthesis: Pathogenesis and Clinical Findings

Pars interarticularis stress fracture (spondylolysis) - most frequently in the
interarticularis stress ... (Stork test) ... XR — scotty dog sign ... MSK #diagnosis #pathophysiology ... #signs #symptoms
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 ... test itself involves ... #Hoffmanns #Sign ... #physicalexam
Post-Traumatic Stress Disorder (PTSD)
Neurochemical abnormalities
 • Hyper-vigilance
 • Emotional hyper-arousal
 • Exaggerated startle reflex
 • Anxiety
Post-Traumatic Stress ... Exaggerated startle reflex ... BehavioralDisorder #Pathophysiology ... #diagnosis #symptoms ... #signs #psychiatry
A normal plantar reflex response involves toe flexion, or even no movement. A positive test, also
A positive test, ... as a Babinski sign ... #Babinski #Sign ... #PhysicalExam ... #Diagnosis #Neurology
Retinoblastoma: Pathogenesis and clinical findings
 • Sporadic mutation -> One allele of RB1 tumor suppressor gene
Retinoblastoma Signs ... partial retinal red reflex ... Retinoblastoma #pathophysiology ... #ophthalmology ... #diagnosis #signs
Meralgia paresthetica: Pathogenesis and Clinical Findings
Compression/injury of Lateral Femoral Cutaneous Nerve (LFCN) -> Meralgia paresthetica
 •
gait, strength, reflexes ... Straight Leg Raise Test ... MeralgiaParesthetica #MSK #pathophysiology ... differential #diagnosis #signs ... #symptoms
Relative Afferent Pupillary Defect

This maneuver of intermittent light stimulus is called the alternating light test or
alternating light test ... It is a clear sign ... the pupillary reflex ... Pupillary #Defect #Neurology ... Pupils #MacrusGunn #PhysicalExam
The Neurological Evaluation of a Comatose Patient

Definition:
 • Coma: a state of unresponsiveness; the absence of
• Mutism Pathophysiology ... Test if patient ... • Examine for signs ... caseyalbin #PhysicalExam ... #neurology #comatose
Hoffmann's sign was originally described as follows: the test is performed by supporting the patient's hand
Hoffmann's sign ... The sign is present ... that the Hoffmann sign ... Video #Hoffmanns #Sign ... #Neurology #Reflex
Aphasia - Pathophysiology and Clinical Findings
Broca's Aphasia - Expressive language impairment: non-Fluent
 - Sensory speech areas
Aphasia - Pathophysiology ... deficits #Aphasia #Pathophysiology ... #diagnosis #signs ... #symptoms #Brocas ... #Wernickes #neurology