22 results
Upper Extremity Dermatomes and Myotomes
Motor Function
Shoulder:
 • Abduction - C5,C6 (axillary)
 • Adduction - C6, C7,
Upper Extremity ... Carpal Tunnel Syndrome ... #UpperLimb #Extremity ... Myotomes #diagnosis #neurology ... sensory #motor #arm #physicalexam
Leg Pain - Differential Diagnosis Framework

Bone/Joint Causes of Leg Pain:
 • Fracture
 • Arthritis
 • Gout/pseudogout
Bone/Joint Causes ... Vit B12, B6, Cu deficiency ... cyanosis - Cool extremity ... diagnosis #lower #extremity ... #msk #physicalexam
Lower Extremity Dermatomes and Myotomes
Reflexes: 
 • Knee - L2, L3, L4
 • Ankle - S1
Lower Extremity ... • Cauda Equina Syndrome ... Commonly caused ... Myotomes #diagnosis #neurology ... sensory #motor #leg #physicalexam
Refeeding Syndrome Overview

What Is It?
	• Electrolyte/fluid shifts caused by initiation of nutrition in severely malnourished patient.
changes and may cause ... Post-operative state ... Hypo-Mg2+ • Vitamin deficiency ... • Vitamin D deficiency ... hyperparathyroidism Treatment
Cauda Equina Syndrome Overview

Cauda Equina Syndrome:
 • Prevalence: 1:33,000-100,000 ppl/yr
 • Incidence: 1.5-3.4 million ppl/yr
 •
- Emergency Causes ... or absent lower extremity ... axial T1 and T2 Treatment ... differential #diagnosis #causes ... #neurology
Guillain-Barre Syndrome - Summary

Acute AIDP that presents with rapidly progressive flaccid weakness

Epidemiology:
 • 1-2 cases/100,000 per
Epidemiology: • 1-2 cases ... paralysis of all extremity ... • Weakness: Starts ... Treatment: • Plasmapheresis ... #neurology
Peri-operative Hyperthermia - Guidelines for Crises in Anaesthesia
If prolonged or ≥ 39 C this is a
Treatment depends ... maintained fever CAUSES ... amphetamines) Toxic: • Radiologic ... Phaeochromocytoma Neurologic ... #Differential #Causes
Horner's Syndrome on Physical Exam

A 75yoF was referred in for facial swelling and eyelid changes 1
Horner's Syndrome ... experience, the cause ... or induced by treatment ... ophthalmology #physicalexam ... #neurology #Anisocoria
Hyponatremia - Diagnosis and Treatment
Hyponatremia is usually caused by the inability to excrete water normally.
Hyponatremia is usually caused ... Always start with ... the underlying cause ... demyelination syndrome ... #management #nephrology
Quincke's Pulse in a patient with a normal echocardiogram (non-valvular)

A 70 y/o man presents with new
= high-output state ... Workup for cause ... EtOH causes thiamine ... deficiency via ... AorticRegurgitation #Diagnosis #PhysicalExam