21 results
Amyotrophic Lateral Sclerosis (ALS) Summary
ALS: combination of the clinical examination finding of amyotrophy with the pathologic
and LMN signs in ... and LMN signs to ... and LMN signs on ... EMG: LMN Signs in ... #diagnosis #management
Upper Motor Neuron (UMN) lesions are lesions occurring anywhere in the CNS from the brain up
Motor Neuron (UMN ... the differential diagnosis ... there is regular firing ... LMN syndromes are ... positive Babinski reflex
Reflex Testing - Causes of Hyporeflexia and Hyperreflexia
Focal Hyporeflexia: 
 • Radiculopathy, Mononeuropathy, Polyneuropathy, Acute stroke,
Reflex Testing - ... Guillain-Barré syndrome ... Hyperthyroidism, Serotonin syndrome ... #differential #diagnosis ... #table #neurology
Causes of Bradykinetic Movement Disorders - Differential Diagnosis Algorithm
Parkinson's Disease (TRAP):
• Resting Tremor
• Cogwheel Rigidity
• Akinesia/Bradykinesia
•
Causes of Bradykinetic ... Bradykinesia • Falling ... Multiple System Atrophy ... • Cerebellar signs ... MovementDisorders #Neurology
Upper Extremity Dermatomes and Myotomes
Motor Function
Shoulder:
 • Abduction - C5,C6 (axillary)
 • Adduction - C6, C7,
, T1 (median) Reflexes ... Carpal Tunnel Syndrome ... distribution with atrophy ... Dermatomes #Myotomes #diagnosis ... #neurology #sensory
Syncope is a sudden, transient loss of consciousness, which is thought to be secondary to cerebral
such as reflex ... carotid sinus syndrome ... further guide management ... orthostatic vital sign ... Further diagnostics
Cauda Equina Syndrome Overview

Cauda Equina Syndrome:
 • Prevalence: 1:33,000-100,000 ppl/yr
 • Incidence: 1.5-3.4 million ppl/yr
 •
- Emergency Causes ... Differential Diagnosis ... extremity muscle atrophy ... #differential #diagnosis ... #causes #neurology
Spinal Cord Disorders - Differential Diagnosis Framework

Spinal cord neurological lesion:
Clinical findings:
 • Symptoms and signs below
• Symptoms and signs ... MCTD, Sjogren syndrome ... : Areflexia UMN ... Loss of muscle (atrophy ... #neurology #differential
Alzheimer’s Disease: Pathogenesis and Clinical Findings
Risk factor for Late Onset Alzheimer's (99% of cases):
 - Increasing
mutations - Down syndrome ... chromosome 21) Signs ... Aphasia, word-finding ... seizure, primitive reflexes ... pathophysiology #geriatrics #diagnosis
The Neurological Evaluation of a Comatose Patient

Definition:
 • Coma: a state of unresponsiveness; the absence of
Differential Diagnosis ... • Locked-in syndrome ... • Examine for signs ... Casey Albin MD @ ... #PhysicalExam #neurology