102 results
Causes of Hypernatremia - Differential Diagnosis
Inadequate water intake:
 • Lack of access to water
Extrarenal hypotonic fluid
Causes of Hypernatremia ... Osmotic diuresis • Central ... insipidus • Nephrogenic ... administration #Hypernatremia ... Differential #Diagnosis #Causes
Diagnosis and Management of Hypernatremia

#Hypernatremia #Differential #Algorithm #Causes #Nephrology #Diagnosis

** GrepMed Recommended Text: Nephrology Secrets -
Management of Hypernatremia ... #Hypernatremia ... Differential #Algorithm #Causes ... GrepMed Recommended Text
HINTS Exam - Normal Head Impulse Test = Central Cause

This patient as a normal head impulse
Normal Head Impulse Test ... = Central Cause ... normal head impulse test ... cause of vertigo ... #HINTS #PhysicalExam
HINTS Exam - Abnormal Test of Skew (Abnormal Vertical Skew)

In a patient with vertigo symptoms, this
Exam - Abnormal Test ... worrisome for a CENTRAL ... cause of vertigo ... Vertical #Skew #Test ... #HINTS #PhysicalExam
Etiologies of Hypernatremia - Differential Diagnosis
GI losses / Insensible losses
Sodium Overload
Transcellular Movement of Water
Central Diabetes Insipidus
Etiologies of Hypernatremia ... Movement of Water Central ... congenital disorders Nephrogenic ... DrEricStrong #Hypernatremia ... Diagnosis #Table #Causes
The HINTS Exam - Differentiating Central vs Peripheral Vertigo

Head Impulse Test
Nystagmus
Test of Skew

Animation by Dr. Y.
Differentiating Central ... Head Impulse Test ... Nystagmus Test ... #HINTS #Exam #PhysicalExam ... Testing #Vertigo #Central
Hypernatremia - Differential Diagnosis Workup Algorithm

1) Check Urine Osmolality:
 > 600 mOsm/kg - Implies extrarenal mechanism
Hypernatremia - ... Extrarenal Hypernatremia ... Diabetes insipidus (central ... or nephrogenic) ... MatthewHoMD #Hypernatremia
The head impulse test (HIT) result is positive (abnormal) in nearly all patients with a peripheral
The head impulse test ... with a peripheral cause ... cause of AVS. ... a stand-alone test ... #Diagnosis #PhysicalExam
Hypernatremia Classification and Features According to Volume Status
 - Hypervolemic hypernatremia - Cushing's syndrome, Primary hyperaldosteronism,
Hypernatremia Classification ... - Hypervolemic hypernatremia ... - Normovolemic hypernatremia ... - DI, Central Dl ... Gestational DI, Nephrogenic
Causes of Polyuria - Differential Diagnosis Algorithm
Polyuria - Urine Output > 3L/day, Increased Urine Volume (>2ml/min)
Osmotic
Causes of Polyuria ... Water Deprivation Test ... Water Deprivation Test ... response • Central ... Kidney • Nephrogenic