14 results
Upper Extremity Dermatomes and Myotomes
Motor Function
Shoulder:
 • Abduction - C5,C6 (axillary)
 • Adduction - C6, C7,
Pronation - C7, C8 Wrist ... Wrist drop - Occurs ... Triceps power is ... Carpal Tunnel Syndrome ... Dermatomes #Myotomes #diagnosis
Leg Pain - Differential Diagnosis Framework

Bone/Joint Causes of Leg Pain:
 • Fracture
 • Arthritis
 • Gout/pseudogout
Leg Pain - Differential ... Diagnosis Framework ... • Sciatica • Tarsal ... #diagnosis #lower ... #extremity #msk
Dizziness - Central and Peripheral Causes - Differential Diagnosis
Central Causes:
 • Cerebrovascular:  vertebrobasilar, TIA, Wallenburg,
- Differential ... Diagnosis Central ... • Semicircular canal ... Amy Chung, MD, MSc ... Diagnosis #algorithm
Hematuria - Differential Diagnosis Framework

Gross Hematuria: Red/Dark urine
 • 1ml blood/liter urine can induce color change
Hematuria - Differential ... hematuria + clots ➔ Lower ... hematuria • Signs ... #Diagnosis #causes ... #urology #nephrology
Ear Pain (Otalgia) - Differential Diagnosis Framework

Primary Otalgia 
 - Pain that originates from the ear
Pain (Otalgia) - Differential ... Diagnosis Framework ... external ear and ear canal ... Otalgia #Ear #Pain #Otology ... #diagnosis
Hearing Loss - Differential Diagnosis Framework

Hearing Loss Types:
• Conductive
• Sensorineural
• Mixed
Presbycusis is the most common type
Hearing Loss - Differential ... Diagnosis Framework ... cause unknown) ... II ○ Susac’s syndrome ... #Diagnosis #otology
Rare Causes of Abdominal Pain
 • Hereditary Angioneurotic Edema - Recurrent visceral that may by swelling
purpura of the lower ... Abdominal cutaneous nerve ... Positive Carnett's sign ... Abdominal #Pain #differential ... #diagnosis
Myasthenia Gravis Overview

Myasthenia Gravis is an autoimmune disorder of the postsynaptic neuromuscular junction.  Ab to
life-threatening Differential ... Brain stem/Cranial nerve ... test - Cogan sign ... - Peek sign ... - Repetitive nerve
Ear Pain / Otalgia - Differential Diagnosis Algorithm
Referred Otaliga:
 • Via Vagus or Glossopharyngeal Nerves
 •
Diagnosis Algorithm ... External Auditory Canal ... Zoster (Ramsay Hunt Syndrome ... #Diagnosis #Algorithm ... #Causes
The Neurological Evaluation of a Comatose Patient

Definition:
 • Coma: a state of unresponsiveness; the absence of
consciousness Differential ... Diagnosis: • ... • Locked-in syndrome ... threat Cranial Nerves ... • Examine for signs