29 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
Sensory Motor Reflex ... Flexion Biceps Reflex ... Flexion None T1 Ulnar ... None T7-T12 See Dermatomes ... #differential #diagnosis
Upper Extremity Dermatomes and Myotomes
Motor Function
Shoulder:
 • Abduction - C5,C6 (axillary)
 • Adduction - C6, C7,
Upper Extremity Dermatomes ... Abduction - C8-T1 (ulnar ... , T1 (median) Reflexes ... #Myotomes #diagnosis ... sensory #motor #arm #physicalexam
Lower Extremity Dermatomes and Myotomes
Reflexes: 
 • Knee - L2, L3, L4
 • Ankle - S1
Lower Extremity Dermatomes ... and Myotomes Reflexes ... • Cauda Equina Syndrome ... #Myotomes #diagnosis ... sensory #motor #leg #physicalexam
Freiberg's Test for Piriformis Syndrome

Flex the hip to 90 degrees, internally rotate the hip.
Pain in the
for Piriformis Syndrome ... Flex the hip ... #Piriformis #syndrome ... clinical #video #physicalexam ... #msk #sports #orthopedics
The Neurological Evaluation of a Comatose Patient

Definition:
 • Coma: a state of unresponsiveness; the absence of
Differential Diagnosis ... Unresponsive wakefulness syndrome ... • Locked-in syndrome ... • Vestibulo-ocular ... caseyalbin #PhysicalExam
Cauda Equina Syndrome Overview

Cauda Equina Syndrome:
 • Prevalence: 1:33,000-100,000 ppl/yr
 • Incidence: 1.5-3.4 million ppl/yr
 •
Differential Diagnosis ... region (S2-S4 dermatomes ... bulbocavernosus reflex ... wink test - reflex ... #differential #diagnosis
Ulnar Compression Test - Ulnar Tunnel Syndrome

The ulnar compression test evaluates for ulnar tunnel syndrome.
Provide direct
Syndrome The ... tunnel syndrome ... #Test #Tunnel #Syndrome ... #wrist #hand #PhysicalExam ... clinical #video #sports
Chronic Vision Loss by Anatomic Location - Differential Diagnosis Algorithm
Cornea:
 • Keratoconus
 • Stromal Scaring
 •
- Differential Diagnosis ... - Obscure Red Reflex ... • Age Related Macular ... - Cotton wool spots ... #Differential #Diagnosis
Peripheral Edema - Differential Diagnosis Framework for Lower Extremity Edema

Edema occurs when any of the following
- Differential Diagnosis ... type 1 (reflex ... • SVC syndrome ... #differential #diagnosis ... Lower #Extremity #PhysicalExam
Pustular Skin Lesions - Differential Diagnosis Framework

What are pustules?
• Pustules < 5-10 mm + pus
• Material
- Differential Diagnosis ... Mpox • Starts ... SAPHO syndrome ( ... Sweet syndrome ... #Differential #Diagnosis