25 results
Upper Extremity Dermatomes and Myotomes
Motor Function
Shoulder:
 • Abduction - C5,C6 (axillary)
 • Adduction - C6, C7,
• Mexion - C8 (median ... Conditions Erb's Palsy ... Syndrome Wrist drop ... Saturday night palsy ... Myotomes #diagnosis #neurology
Left Wrist Drop - Radial Nerve Palsy on Physical Examination

Left hand drop due to compression of
Left Wrist Drop ... - Radial Nerve Palsy ... sleeping as in this case ... Saturday night palsy ... #msk #sports #neurology
Localizing Extraocular Movement Disorders
 • CN Ill (Oculomotor) Nerve Palsy 
 • CN IV (Trochlear) Nerve
Oculomotor) Nerve Palsy ... • Medial Longitudinal ... Skew Deviation Casey ... ophthalmology #neurology ... #differential #
Causes of Bradykinetic Movement Disorders - Differential Diagnosis Algorithm
Parkinson's Disease (TRAP):
• Resting Tremor
• Cogwheel Rigidity
• Akinesia/Bradykinesia
•
Causes of Bradykinetic ... Vertical Gaze Palsy ... • Cerebellar signs ... MovementDisorders #Neurology ... #Differential #
Unilateral Fixed Dilated Pupil - Differential Diagnosis Framework
If Altered Mental Status - Consider Oculomotor (3rd cranial
Dilated Pupil - Differential ... Framework If Altered Mental ... cranial nerve) Palsy ... no neurological cause ... #diagnosis #neurology
Synkinetic Wrist Extension Maneuver demonstrating Radial Nerve Palsy as cause for Wrist Drop

Up up, down down.
Nerve Palsy as ... cause for Wrist ... Drop Up up, down ... nerve palsy with ... #physicalexam #neurology
Causes of Dizziness - Vertigo - Differential Diagnosis Algorithm
True Vertigo - Illusion of Rotary Movement
Peripheral Vestibular
Causes of Dizziness ... - Vertigo - Differential ... oscillopsia) • Otitis Media ... symptoms/signs, ... Dizziness #Vertigo #Neurology
Causes of Tremors - Movement Disorders - Differential Diagnosis Algorithm
Action Tremor - Occurs During Voluntary Muscle
Causes of Tremors ... Progressive supranuclear palsy ... Thyroid, Liver, Kidney ... MovementDisorders #Neurology ... #Differential #
Acute Kidney Injury - AKI Workup Algorithm and Differential Diagnosis
Baseline Investigations: full blood count with differential,
Acute Kidney Injury ... osmolarity If cause ... clinical context and signs ... #Diagnosis #nephrology ... #causes
Causes of Acute Kidney Injury ( AKI ) - Prerenal, Renal, and Postrenal

PRE-RENAL 
Impaired perfusion: 
•
Causes of Acute ... Kidney Injury ( ... stricture/valves Meatal ... Postrenal #Failure #Differential ... #Nephrology