16 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
Spinal Cord Injury ... None T7-T12 See Dermatomes ... Femoral Condyle Knee ... NerveRoots #Levels #differential ... #diagnosis #Neurology
Upper Extremity Dermatomes and Myotomes
Motor Function
Shoulder:
 • Abduction - C5,C6 (axillary)
 • Adduction - C6, C7,
Upper Extremity Dermatomes ... , T1 (median) Reflexes ... spared in this injury ... #Myotomes #diagnosis ... sensory #motor #arm #physicalexam
Lower Extremity Dermatomes and Myotomes
Reflexes: 
 • Knee - L2, L3, L4
 • Ankle - S1
and Myotomes Reflexes ... : • Knee - L2 ... • Cauda Equina Syndrome ... #Myotomes #diagnosis ... sensory #motor #leg #physicalexam
Positive Lachman's Test

The Lachman test is a clinical test used to diagnose injury of the anterior
used to diagnose ... injury of the anterior ... The knee is flexed ... The examiner should ... ACL #PhysicalExam
The Neurological Evaluation of a Comatose Patient

Definition:
 • Coma: a state of unresponsiveness; the absence of
consciousness Differential ... Diagnosis: • ... • Locked-in syndrome ... Awareness • Injury ... 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
 •
Diagnosis: • ... region (S2-S4 dermatomes ... perineum, and posterior ... #differential # ... diagnosis #causes
Causes of Knee Effusions - Differential Diagnosis Framework

Knee Effusion Red Flags:
1. Fever/Chills/Joint pain/Night sweats/Weight loss
	- DDX:
		-
- Differential ... Diagnosis Framework ... bearing after injury ... #diagnosis #msk ... #physicalexam
Demonstration of the Lachman Test for assess for ACL Injury - Normal Exam

Demonstration by Dan Smith,
assess for ACL Injury ... used to diagnose ... The knee is flexed ... The examiner should ... ACL #PhysicalExam
Posterolateral Corner (PLC) Injury - Posterolateral Drawer Test
Injury to the posterolateral corner (PLC) is difficult to
is difficult to diagnose ... context of complex knee ... Clinical #Video #PhysicalExam ... #Orthopedics #Knee ... #Posterior #msk
Low Back Pain (Lumbago) - Common Differential Diagnosis and Patterns

Mechanical Low Back Pain:
Aching pain in the
Lumbago) - Common Differential ... Diagnosis and Patterns ... lateral leg) or S1 (posterior ... leg) dermatomes ... pain below the knee