16 results
HINTS Exam - Normal Head Impulse Test = Central Cause

This patient as a normal head impulse
= Central Cause ... cause of vertigo ... Video by Dr. ... PeterJohns84 #Normal #HeadImpulse ... #Neurology #Vertigo
The head impulse test (HIT) result is positive (abnormal) in nearly all patients with a peripheral
The head impulse test ... cause of AVS. ... #Diagnosis #PhysicalExam ... #Neurology #AVS ... #HeadImpulse #Testing
Hypernatremia Classification and Features According to Volume Status
 - Hypervolemic hypernatremia - Cushing's syndrome, Primary hyperaldosteronism,
hypernatremia - Cushing's syndrome ... hypernatremia - DI, Central ... Classification #Features #Diagnosis ... #Comparison #Table ... #Nephrology
Hypomagnesemia - Etiologies by Mechanism

Decreased GI Uptake 
 - Poor dietary intake (particularly common in alcoholics)
Loop and thiazide diuretics ... #Differential #Diagnosis ... Low #Magnesium #Table ... Classification #Causes ... #Workup #hypomg
Hypernatremia - Differential Diagnosis Workup Algorithm

1) Check Urine Osmolality:
 > 600 mOsm/kg - Implies extrarenal mechanism
- Differential Diagnosis ... Workup Algorithm ... Diabetes insipidus (central ... , Cushing syndrome ... #nephrology #sodium
Diuretics and Agents Regulating Renal Excretion

Carbonic Anhydrase Inhibitors (Acetazolamide, Dichlorphenamide)
 • Glaucoma
 • Epilepsy
 • Altitude
Diagnosis of ... Kidney stones caused ... Desmopressin (DDAVP) • Central ... #Nephrology #Pharmacology ... #Medications #Table
Causes of Polyuria - Differential Diagnosis Algorithm
Polyuria - Urine Output > 3L/day, Increased Urine Volume (>2ml/min)
Osmotic
Causes of Polyuria ... - Differential Diagnosis ... /min) Osmotic Diuresis ... response • Central ... #Polyuria #Nephrology
Causes of Secondary Hypertension - Differential Diagnosis and Screening Testing
Common causes: 
 • Renal parenchymal disease
- Differential Diagnosis ... • Cushing’s syndrome ... Mineralocorticoid excess syndromes ... #Differential #Diagnosis ... #Workup #table
Major neurocognitive disorders (MNCD): Diagnosis and workup 

1) Clinical diagnosis Cognitive impairment + loss of autonomy
2)
... laboratory tests ... Alzheimer - 1st cause ... Aphaso-apraxo-agnosia syndrome ... Dementia - 2nd cause ... Loss of bladder control
Physiologic Approach to Hypotonic Hyponatremia
The next time you have a case of hypotonic hyponatremia, give the
time you have a case ... Cirrhosis, Nephrotic syndrome ... #differential #diagnosis ... #table #sodium ... #nephrology