65 results
Anterior Interosseous Peripheral Nerve Injury 

Manifested as the inability to make the OK sign.

by Dr. Boby
to make the OK sign ... Peripheral #Injury #OK #Sign ... clinical #video #neurology ... physicalexam #msk #sports ... #neurology #orthopedics
Causes of Hyponatremia - Differential Diagnosis Algorithm
Syndrome of Inappropriate ADH - Euvolemic; no physiologic stimulus to
Causes of Hyponatremia ... Diagnosis Algorithm Syndrome ... Pain/Post-op • Neurologic ... • Nephrotic syndrome ... #Nephrology #Differential
Hypernatremia Diagnosis and Workup

Step 1 . Repeat the sodium concentration.
Step 2.  Check plasma osmolality.
NORMAL PLASMA
Hypernatremia Diagnosis ... mmol/L - true hyponatremia ... • nephrotic syndrome ... renal failure #Hypernatremia ... Workup #Algorithm #Nephrology
Causes of Hyponatremia - Differential Diagnosis Algorithm
Syndrome of Inappropriate ADH - Euvolemic; no physiologic stimulus to
Causes of Hyponatremia ... Diagnosis Algorithm Syndrome ... Pain/Post-op • Neurologic ... • Nephrotic syndrome ... #Nephrology #Differential
Rotator Cuff Syndrome - SITS
Supraspinatus, Infraspinatus, Teres minor, and Subscapularis.
Causes: Calcific supraspinatus tendinitis 
Signs: painful abduction
Rotator Cuff Syndrome ... supraspinatus tendinitis Signs ... Rotator #Cuff #Syndrome ... #orthopedics #diagnosis ... #sports #MSK #anatomy
Modified Hyponatremia Algorithm
Hypertonic Hyponatremia: Hyperglycemia, Mannitol, Urologic irrigants
Hypotonic Hyponatremia: 
 • ADH ON (UOsm > 100):
Modified Hyponatremia ... Algorithm Hypertonic Hyponatremia ... irrigants Hypotonic Hyponatremia ... Cirrhosis, Nephrotic syndrome ... diagnosis #sodium #nephrology
Localizing Extraocular Movement Disorders
 • CN Ill (Oculomotor) Nerve Palsy 
 • CN IV (Trochlear) Nerve
palsy • CN VI (Abducens ... One-and-a-half Syndrome ... ophthalmology #neurology
Pace Maneuver for Piriformis Syndrome

With the patient's hips and needs flexed to 90 degrees, the patient
for Piriformis Syndrome ... degrees, the patient abducts ... Test #Piriformis #Syndrome ... sciatica #msk #orthopedics ... #sports
Hyponatremia - Differential Diagnosis Algorithm
ADH Independent:
 • Tea and Toast Syndrome, Beer Potomania - Low solute
Hyponatremia - Differential ... Tea and Toast Syndrome ... failure, nephrotic syndrome ... thecurbsiders #Hyponatremia ... Algorithm #causes #nephrology
Parinaud's Syndrome
What?
 - Impaired upgaze
 - Light-near dissociation
 - Convergence retraction nystagmus
 - Eyelid retraction (Collier's
Parinaud's Syndrome ... retraction (Collier's sign ... → "setting sun sign ... gabifpucci #Parinauds #Syndrome ... diagnosis #pineal #neurology