9 results
Lower Extremity Dermatomes and Myotomes
Reflexes: 
 • Knee - L2, L3, L4
 • Ankle - S1
Lower Extremity ... saddle (perineal) anesthesia ... Foot drop and sensory ... Commonly caused ... #motor #leg #physicalexam
Upper Extremity Dermatomes and Myotomes
Motor Function
Shoulder:
 • Abduction - C5,C6 (axillary)
 • Adduction - C6, C7,
Upper Extremity ... spared in this injury ... regimental badge" anesthesia ... diagnosis #neurology #sensory ... #motor #arm #physicalexam
Cauda Equina Syndrome Overview

Cauda Equina Syndrome:
 • Prevalence: 1:33,000-100,000 ppl/yr
 • Incidence: 1.5-3.4 million ppl/yr
 •
and/or genital sensory ... • S - Saddle anesthesia ... - Emergency Causes ... and sensory disturbances ... #diagnosis #causes
Peri-operative Hyperthermia - Guidelines for Crises in Anaesthesia
If prolonged or ≥ 39 C this is a
maintained fever CAUSES ... Traumatic brain injury ... #Hyperthermia #Differential ... #Anesthesia #Checklist ... Diagnosis #Management #Workup
Leg Pain - Differential Diagnosis Framework

Bone/Joint Causes of Leg Pain:
 • Fracture
 • Arthritis
 • Gout/pseudogout
Leg Pain - Differential ... Trauma • Crush injury ... #diagnosis #lower ... #extremity #msk ... #physicalexam
Spinal Cord Disorders - Differential Diagnosis Framework

Spinal cord neurological lesion:
Clinical findings:
 • Symptoms and signs below
Cord Disorders - Differential ... below the site of injury ... spasticity • Lower ... Non-compressive Spinal Cord Causes ... , lower extremity
Cardiac Arrest - Guidelines for Crises in Anaesthesia

The probable cause is one or more of: something
emergency bell / senior ... CardiacArrest #Checklist ... #Differential # ... Anesthesiology #Anesthesia ... Diagnosis #Management #Workup
Lesions of the Spinal cord - Spinal Cord Syndromes

Spinal cord lesions can result in permanent neurologic
Weakness - Lower ... at the level of sensory ... paralysis - Sensory ... loss - Saddle anesthesia ... syndromes #lesions #differential
The Neurological Evaluation of a Comatose Patient

Definition:
 • Coma: a state of unresponsiveness; the absence of
consciousness Differential ... Awareness • Injury ... brainstem Motor/Sensory ... Casey Albin MD @ ... caseyalbin #PhysicalExam