57 results
Anterior Interosseous Peripheral Nerve Injury 

Manifested as the inability to make the OK sign.

by Dr. Boby
Anterior Interosseous ... @bobvarkey #Anterior ... OKSign #clinical #video ... #neurology #physicalexam ... #msk #sports #neurology
Lower Extremity Nerve Pathologies 

 • Obturator
 • Femoral
 • Common Peroneal
 • Tibial
 • Superior
Superior Gluteal • Inferior ... #Pathologies #differential ... #innervation #neurology
Polyuria - Differential Diagnosis Algorithm
Polyuria = >3L Urine output / 24 hours
Urine osmolality = 2 (Na
Polyuria - Differential ... osmolality > 300 mosm/kg ... solute intake (e.g ... Polydipsia #Polyuria #Differential ... Diagnosis #Algorithm #nephrology
Causes of Hypernatremia - Differential Diagnosis Algorithm
Hypernatremia - Excess free water loss, Serum Sodium >145 mmol/L
High
Hypernatremia - Differential ... Osmolality > 300 mmol/kg ... Polyuria scheme) e.g ... Hypernatremia #Nephrology ... #Differential #
Hypo-osmolar Hypotonic HypoNatremia Algorithm (Serum Na+ < 135 meq/L, serum Osm < 275 mosm/kg)
Assess Volume Status,
Osm < 275 mosm/kg ... Algorithm #Diagnosis #Nephrology ... #Differential #
Causes of Hyponatremia - Differential Diagnosis Algorithm
Syndrome of Inappropriate ADH - Euvolemic; no physiologic stimulus to
Hyponatremia - Differential ... Pain/Post-op • Neurologic ... Uosm < 100 mmol/kg ... #Hyponatremia #Nephrology ... #Differential #
Causes of Hyponatremia - Differential Diagnosis Algorithm
Syndrome of Inappropriate ADH - Euvolemic; no physiologic stimulus to
Hyponatremia - Differential ... Pain/Post-op • Neurologic ... Uosm < 100 mmol/kg ... #Hyponatremia #Nephrology ... #Differential #
Nuchal Rigidity in Infantile Bacterial Meningitis

Flexion of the neck revealed nuchal rigidity. The patient was unable
his chin to his anterior ... PhysicalExam #Clinical #Video ... Peds #Pediatrics #neurology
Algorithm showing a stepwise approach to the assessment and investigation of a possible neuropathy. CIDP, chronic
Charcot-Marie-Tooth; EMG ... #Diagnosis #Neurology ... Algorithm #Evaluation #Differential
Polyuria - Differential Diagnosis Algorithm
Urine Output > 3L /day
Water Diuresis (Urine Osm <100 mOsm/kg)
 • Primary
Polyuria - Differential ... Osm <100 mOsm/kg ... Osm 100-200 mOsm/kg ... #Polyuria #Differential ... Algorithm #causes #nephrology