13 results
Causes of Hypernatremia - Differential Diagnosis
Inadequate water intake:
 • Lack of access to water
Extrarenal hypotonic fluid
Causes of Hypernatremia ... - Differential ... Osmotic diuresis • Central ... #Differential # ... #nephrology #sodium
Causes of Facial Weakness - Differential Diagnosis Algorithm
Forehead Sparing = Central cause
  - Most commonly
Weakness - Differential ... Forehead Sparing = Central ... Forehead involved = Peripheral ... Compression Tumor, Trauma ... #neurology #sparing
Hyponatremia - Diagnosis and Treatment
Hyponatremia is usually caused by the inability to excrete water normally.
attention to volume status ... Assess volume status ... administered (through a peripheral ... #Differential # ... #sodium
Hypernatremia - Differential Diagnosis Workup Algorithm

1) Check Urine Osmolality:
 > 600 mOsm/kg - Implies extrarenal mechanism
Differential Diagnosis ... mechanism 2) Volume Status ... Diabetes insipidus (central ... #Differential # ... #sodium
Causes of Proximal Muscle Weakness That May Mimic Inflammatory Myopathy
 • Central or peripheral neurologic disease
Inflammatory Myopathy • Central ... or peripheral neurologic ... Hydroxychoroquine - Statins ... mimics #diagnosis #differential ... #causes #neurology
Causes of Dizziness - Vertigo - Differential Diagnosis Algorithm
True Vertigo - Illusion of Rotary Movement
Peripheral Vestibular
Causes of Dizziness ... - Vertigo - Differential ... Rotary Movement Peripheral ... Bone Fracture Central ... • Ethanol - Trauma
Altered Mental Status - Differential Diagnosis
 • Neurologic: Stroke, Cerebral hypoxia, Cerebral hemorrhage, Seizure, Trauma, TBI,
Altered Mental Status ... Diagnosis • Neurologic ... hemorrhage, Seizure, Trauma ... #Status #AMS #Differential ... #Diagnosis #Causes
Etiologies of Hypernatremia - Differential Diagnosis
GI losses / Insensible losses
Sodium Overload
Transcellular Movement of Water
Central Diabetes Insipidus
- Differential ... Insensible losses Sodium ... Movement of Water Central ... Neurosurgery - Trauma ... Diagnosis #Table #Causes
Unilateral Fixed Dilated Pupil - Differential Diagnosis Framework
If Altered Mental Status - Consider Oculomotor (3rd cranial
Framework If Altered Mental ... Status - Consider ... no neurological cause ... , consider: • Trauma ... #diagnosis #neurology
Causes of Peripheral and Central Vertigo
PERIPHERAL VERTIGO
1. Benign paroxysmal positional vertigo (BPPV) - Short-lived (typically less
Causes of Peripheral ... and Central Vertigo ... PERIPHERAL VERTIGO ... #Peripheral #Central ... #differential #