26 results
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
Upper Extremity Dermatomes and Myotomes
Motor Function
Shoulder:
 • Abduction - C5,C6 (axillary)
 • Adduction - C6, C7,
Upper Extremity Dermatomes ... , T1 (median) Reflexes ... Carpal Tunnel Syndrome ... #Myotomes #diagnosis ... 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
 •
Differential Diagnosis ... region (S2-S4 dermatomes ... bulbocavernosus reflex ... wink test - reflex ... #differential #diagnosis
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 ... caseyalbin #PhysicalExam ... neurology #comatose #diagnosis
Acute Spinal Cord Injuries: Pathogenesis and clinical findings
 • Anterior Cord Syndrome -> Anterior spinal artery
Anterior Cord Syndrome ... • Central Cord Syndrome ... bladder and rectal reflex ... #diagnosis #pathophysiology ... symptoms #msk #orthopedics
Horner's Syndrome on Physical Exam

A 75yoF was referred in for facial swelling and eyelid changes 1
following neck surgery ... consistent with a diagnosis ... induced by treatment/surgery ... clinical #video #ophthalmology ... #physicalexam #
Orthopedic Emergencies
Compartment Syndrome
 • An increase in compartment pressure to the point where tissue perfusion is
Orthopedic Emergencies ... • Diagnosis: ... antecedent trauma or surgery ... cord function and reflex ... bulbocarvenosus reflex
Bradycardia - Differential Diagnosis Framework

BRADI Mnemonic
 • BRASH/Hyperkalemia
 • Reduced oxygen/Glucose/Temp
 • ACS
 • Drugs
 •
- Differential Diagnosis ... Infections BRASH Syndrome ... cardiac/Valve surgery ... • Oculocardiac reflex ... #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