61 results
Causes of Dementia / Cognitive Impairment - Differential Diagnosis Algorithm

Affecting Multiple Domains
 • Depression
 • Delirium
Decline
Causes of Dementia ... - Differential Diagnosis ... Treatable Causes • Normal ... #Neurology #Differential ... #Diagnosis #Algorithm
Motor and Reflex Grading (0-5)

Motor Strength Grading

5	Normal

4	Reduced, moves against resistance

3	Moves against gravity

2	Moves only with elimination of
Motor and Reflex ... Strength Grading 5 Normal ... Increased 2 Normal ... Scoring #Grades #Diagnosis ... #Neurology
Parkinson's Plus Syndromes - Atypical Parkinsonism
Main motor symptoms:
 • Tremors
 • Limb rigidity
 • Bradykinesia
Other symptoms
Parkinson's Plus Syndromes ... Parkinson's plus syndrome ... (CBS) • Dementia ... #Parkinsonism #diagnosis ... #neurology
Causes of Hemiplegia - Differential Diagnosis Algorithm
Cerebral Hemisphere (Contralateral motor cortex)
 • Aphasia
 • Apraxia
 •
- Differential Diagnosis ... • Aphasia • Apraxia ... Cognition/Confusion, Dementia ... Brown-Sequard Syndrome ... #Hemiplegia #Neurology
Orbicularis Reflex in an Alzheimer's Patient on Physical Exam

Alzheimer's is a degenerative, progressive and irreversible disease.
Orbicularis Reflex ... examination is usually normal ... the orbicular reflex ... loss present in dementia ... clinical #video #neurology
Phimosis 
Inability to retract the foreskin - Can be normal up to 3 years old -
foreskin - Can be normal ... after age 4 Treatment ... anatomic position • Urologic ... Paraphimosis #Comparison #Diagnosis ... #Urology
Spinal Cord Injury by Nerve Root Levels
Spinal Root	Sensory	Motor	Reflex
C4	Acromioclavicular Joint	Respiration	None
C5	Radial Antecubital Fossa	Elbow Flexion	Biceps Reflex
C6	Dorsal Thumb	Wrist Extension	Brachioradialis Reflex
C7	Dorsal
C6 Dorsal Thumb ... C7 Dorsal Middle ... C8 Dorsal Little ... #differential #diagnosis ... #Neurology #Spine
A normal plantar reflex response involves toe flexion, or even no movement. A positive test, also
A normal plantar ... reflex response ... Babinski #Sign #Reflex ... PhysicalExam #Diagnosis ... #Neurology
Alzheimer’s Disease: Pathogenesis and Clinical Findings
Risk factor for Late Onset Alzheimer's (99% of cases):
 - Increasing
mutations - Down syndrome ... seizure, primitive reflexes ... incontinence, apraxia ... AlzheimersDisease #Dementia ... pathophysiology #geriatrics #diagnosis
The Neurological Evaluation of a Comatose Patient

Definition:
 • Coma: a state of unresponsiveness; the absence of
Differential Diagnosis ... Unresponsive wakefulness syndrome ... • Locked-in syndrome ... movements; also normal ... #PhysicalExam #neurology