17 results
Causes of Hyponatremia - Differential Diagnosis Algorithm
Syndrome of Inappropriate ADH - Euvolemic; no physiologic stimulus to
Causes of Hyponatremia ... Syndrome of Inappropriate ... Pain/Post-op • Neurologic ... Malignancy True hypovolemia ... #Nephrology #Differential
Causes of Hyponatremia - Differential Diagnosis Algorithm
Syndrome of Inappropriate ADH - Euvolemic; no physiologic stimulus to
Causes of Hyponatremia ... Syndrome of Inappropriate ... Pain/Post-op • Neurologic ... Malignancy True hypovolemia ... #Nephrology #Differential
Modified Hyponatremia Algorithm
Hypertonic Hyponatremia: Hyperglycemia, Mannitol, Urologic irrigants
Hypotonic Hyponatremia: 
 • ADH ON (UOsm > 100):
Algorithm Hypertonic ... ON (UNa < 30): Hypovolemia ... Cirrhosis, Nephrotic syndrome ... #Algorithm #diagnosis ... #sodium #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 ... " - Vascular disease ... #neurology
Causes of Seizures - Differential Diagnosis Algorithm
Unprovoked - Epilepsy:
 • Focal: Simple, Complex
 • Generalized: Absence,
Differential Diagnosis Algorithm ... vasoconstriction syndrome ... Hyperglycemia, Hyponatremia ... Hypomagnesemia, Hypocalcemia ... #Causes #neurology
Causes of Hyponatremia - Differential Diagnosis Algorithm
Hypovolemia, UNa > 20: 
 • Renal losses, Diuretic excess,
Causes of Hyponatremia ... Differential Diagnosis Algorithm ... Hypovolemia, UNa ... Hypovolemia, UNa ... #Causes #nephrology
Beevor's Sign on Physical Exam

Beevor's sign is abnormal upward (cephalad) movement of the umbilicus with truncal
Beevor's Sign on ... paralysis from spinal ... facioscapulohumeral muscular ... PhysicalExam #clinical #video ... #umbilicus #neurology
Parinaud's syndrome
What?
 • Light-near dissociation (tectal pupils)
 • Convergence retraction nystagmus
 • Eyelid retraction (Collier's sign)
Parinaud's syndrome ... • Pineal region ... "setting sun" sign ... • Vascular disease ... #neurology #diagnosis
Causes of Secondary / Provoked Seizures - Differential Diagnosis Algorithm
Febrile
Infection
 • Sepsis
 • Encephalitis
 • Meningitis
Metabolic
Differential Diagnosis Algorithm ... Hyperglycemia • Hypocalcemia ... • Hyponatremia ... Alcohol/drug Vascular ... Provoked #Seizures #Neurology
Causes of Peripheral Weakness without Sensory Changes - Differential Diagnosis Algorithm
No Objective Weakness
 • Cardio-pulmonary disease
Differential Diagnosis Algorithm ... Neuropathy • Spinal ... Lambert-Eaton Myasthenic Syndrome ... Peripheral #Weakness #Neurology ... Differential #Diagnosis #Algorithm