53 results
Upper Extremity Dermatomes and Myotomes
Motor Function
Shoulder:
 • Abduction - C5,C6 (axillary)
 • Adduction - C6, C7,
spared in this injury ... Carpal Tunnel Syndrome ... Dermatomes #Myotomes #diagnosis ... #neurology #sensory ... #motor #arm #physicalexam
Localizing Extraocular Movement Disorders
 • CN Ill (Oculomotor) Nerve Palsy 
 • CN IV (Trochlear) Nerve
Fasciculus (MLF) Iniury ... One-and-a-half Syndrome ... Skew Deviation Casey ... ophthalmology #neurology ... #differential #diagnosis
Stroke Mimics - Differential Diagnosis - MINT Mnemonic
 • Metabolic: Hyper-glycemia, Hypoglycemia, Wernicke's encephalopathy, Mitochondrial Encephalopathy
- Differential Diagnosis ... Infectious: Bell's palsy ... Traumatic Brain Injury ... Stroke #Mimics #CVA ... MINT #Mnemonic #neurology
Left Wrist Drop - Radial Nerve Palsy on Physical Examination

Left hand drop due to compression of
Left Wrist Drop - Radial ... Nerve Palsy on ... sleeping as in this case ... PhysicalExam #clinical ... #msk #sports #neurology
Hypokalemia - Differential Diagnosis Algorithm
Extra-renal Losses:
 • Normal Acid-Base: Low intake
 • Metabolic acidosis: Gl tract
- Differential Diagnosis ... #Differential #Diagnosis ... #Algorithm #causes ... #potassium #low ... #nephrology
Adie's Pupil
What? Unknown nature & benign
 • Regular and mildly dilated pupil (4-6mm);
 • Light-near dissociaton;
Holmes-Adie Syndrome ... : • CN Ill Palsy ... dissociation • Other causes ... #Pupil #PhysicalExam ... #neurology #ophthalmology
Reflex Testing - Causes of Hyporeflexia and Hyperreflexia
Focal Hyporeflexia: 
 • Radiculopathy, Mononeuropathy, Polyneuropathy, Acute stroke,
Acute spinal cord injury ... Guillain-Barré syndrome ... in spinal cord injury ... #differential #diagnosis ... #table #neurology
Causes of Hypokalemia - Differential Diagnosis Algorithm
Defining the cause of hypokalemia starts by measuring urinary K
Causes of Hypokalemia ... - Differential Diagnosis ... Defining the cause ... #differential #diagnosis ... #nephrology #potassium
Erb's Palsy on Physical Exam

Caused by brachial plexus birthing injury.

#Erbs #Palsy #PhysicalExam #clinical #video #pediatrics #neurology
Erb's Palsy on Physical ... Exam Caused ... plexus birthing injury ... #Erbs #Palsy #PhysicalExam ... video #pediatrics #neurology
Hypokalemia Differential Diagnosis Algorithm
Hypertensive:
 • High Al, Low R - Primary aldosteronism
 • High Al, High
Hypokalemia Differential Diagnosis ... acid, Liddle's Syndrome ... #Differential #Diagnosis ... #Algorithm #nephrology ... #causes #low #potassium