11 results
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
Antecubital Fossa Elbow ... Middle Finger Elbow ... None T7-T12 See Dermatomes ... NerveRoots #Levels #differential ... #diagnosis #Neurology
Dizziness - Differential Diagnosis Framework
"Tell me what you mean by dizzy without using the word dizzy."
Vertigo:
Dizziness - Differential ... Diagnosis Framework ... Central: Stroke, CNS ... dysfunction, Meds • Reflex ... Diagnosis #neurology
Lower Extremity Dermatomes and Myotomes
Reflexes: 
 • Knee - L2, L3, L4
 • Ankle - S1
Lower Extremity Dermatomes ... and Myotomes Reflexes ... #Myotomes #diagnosis ... #neurology #sensory ... #motor #leg #physicalexam
Upper Extremity Dermatomes and Myotomes
Motor Function
Shoulder:
 • Abduction - C5,C6 (axillary)
 • Adduction - C6, C7,
- C6, C7, C8 Elbow ... , T1 (median) Reflexes ... #Myotomes #diagnosis ... #neurology #sensory ... #motor #arm #physicalexam
Dizziness and Vertigo Algorithm
Presyncope:
 • Feels "faint" or like they are going to "pass out"
 •
Vertigo #Algorithm #dizzy ... #differential # ... diagnosis #neurology ... #management
Cauda Equina Syndrome Overview

Cauda Equina Syndrome:
 • Prevalence: 1:33,000-100,000 ppl/yr
 • Incidence: 1.5-3.4 million ppl/yr
 •
equina syndrome (CES ... Diagnosis: • ... region (S2-S4 dermatomes ... #diagnosis #causes ... #neurology
The Neurological Evaluation of a Comatose Patient

Definition:
 • Coma: a state of unresponsiveness; the absence of
consciousness Differential ... Diagnosis: • ... flexed at the elbow ... caseyalbin #PhysicalExam ... #neurology #comatose
Adie's Pupil
What? Unknown nature & benign
 • Regular and mildly dilated pupil (4-6mm);
 • Light-near dissociaton;
Young females Differential ... Diagnosis: • CN ... #Adies #Pupil #PhysicalExam ... #neurology #ophthalmology
Amyotrophic Lateral Sclerosis (ALS) Summary
ALS: combination of the clinical examination finding of amyotrophy with the pathologic
Increased Jaw Jerk reflex ... conditions listed in differential ... diagnosis column ... Lateral #Sclerosis #neurology ... #diagnosis #management
Transverse Myelitis Overview

Focal inflammatory disorder of the spinal cord resulting in rapid onset of weakness, sensory
that results in CNS ... Spasticity - Reflexes ... bouts of HTN Diagnostic ... #management #neurology ... #differential