7 results
Localizing Extraocular Movement Disorders
 • CN Ill (Oculomotor) Nerve Palsy 
 • CN IV (Trochlear) Nerve
palsy • CN VI (Abducens ... Fasciculus (MLF) Iniury ... One-and-a-half Syndrome ... Skew Deviation Casey ... ophthalmology #neurology
Orbital Apex Syndrome secondary to Herpes Zoster Ophthalmicus (HZO)

This 81 yo male was referred to our
Orbital Apex Syndrome ... other potential causes ... , abducens nerve ... HZO #clinical #video ... #physicalexam #neurology
Causes of Hypokalemia - Differential Diagnosis Algorithm
Decreased intake (rare cause in isolation)
GI loss - Urine loss
Causes of Hypokalemia ... Differential Diagnosis Algorithm ... Transcellular shift ... #Hypokalemia #Nephrology ... Differential #Diagnosis #Algorithm
Hyperkalemia - Differential Diagnosis Framework

PseudoHyperkalemia:
 • Lab error
 • Traumatic venipuncture
 • Hemolysis, thrombocytosis, leukocytosis
 •
• Trauma/Crush injury ... Intracellular Shift ... - Tumor lysis syndrome ... differential #diagnosis #causes ... #nephrology
Hyperkalemia - Differential Diagnosis Framework

PseudoHyperkalemia:
 • Lab error
 • Traumatic venipuncture
 • Hemolysis, thrombocytosis, leukocytosis
 •
• Trauma/Crush injury ... Intracellular Shift ... - Tumor lysis syndrome ... differential #diagnosis #causes ... #nephrology
The Neurological Evaluation of a Comatose Patient

Definition:
 • Coma: a state of unresponsiveness; the absence of
• Locked-in syndrome ... Awareness • Injury ... threat Cranial Nerves ... Anisocoria + Coma → high ... Casey Albin MD @
Posterior Knee Dislocation Injury
Specifically, POSTERIOR KNEE DISLOCATIONS can have significant associated injury that needs unique approach
DISLOCATION: ~25% cases ... Common peroneal nerve ... Compartment syndrome ... risk high with ... msk #clinical #video