30 results
Causes of Hypernatremia - Differential Diagnosis
Inadequate water intake:
 • Lack of access to water
Extrarenal hypotonic fluid
Causes of Hypernatremia ... perspiration Renal ... insipidus • Nephrogenic ... Differential #Diagnosis #Causes ... #nephrology #sodium
Hyponatremia Differential Diagnosis Algorithm - Utilizing Uric Acid 
ADH promotes Urea/uric acid excretion along with water
Hyponatremia Differential ... Urea/uric acid excretion ... water retention 1) ... High Uric Acid → renal ... Diagnosis #Algorithm #nephrology
Etiologies of Hypernatremia - Differential Diagnosis
GI losses / Insensible losses
Sodium Overload
Transcellular Movement of Water
Central Diabetes Insipidus
Etiologies of Hypernatremia ... Insensible losses Sodium ... congenital disorders Nephrogenic ... diseases (e.g. ... Diagnosis #Table #Causes
Hypernatremia - Differential Diagnosis Workup Algorithm

1) Check Urine Osmolality:
 > 600 mOsm/kg - Implies extrarenal mechanism
Workup Algorithm 1) ... , Ingestion Renal ... insipidus (central or nephrogenic ... Workup #Algorithm #nephrology ... #sodium
Hypernatremia - Differential Diagnosis and Treatment
Hypernatremia is almost always due to unreplaced water loss (free water
, Dehydration: neurologic ... disease, water ... ([Na] / 140) - 1) ... Diagnosis #Treatment #management ... #nephrology #sodium
Causes of Secondary Hypertension - Differential Diagnosis and Screening Testing
Common causes: 
 • Renal parenchymal disease
disease - Renal ... of renal disease ... Oral sodium loading ... syndrome - Overnight 1- ... free cortisol excretion
Physiologic Approach to Hypotonic Hyponatremia
The next time you have a case of hypotonic hyponatremia, give the
time you have a case ... +K / serum Na >1 ... Sodium loss (diuretics ... diagnosis #table #sodium ... #nephrology
Hyperkalemia Treatment Options
Stabilize cardiac membrane:
 • IV Calcium (peaks 5-10 minutes)
Decrease potassium concentration:
 • IV Fluids
Shift
90 minutes) • Sodium ... bicarbonate Potassium excretion ... (if preserved renal ... lactulose (peaks 1- ... #Hyperkalemia #management
Diuretics and Agents Regulating Renal Excretion

Carbonic Anhydrase Inhibitors (Acetazolamide, Dichlorphenamide)
 • Glaucoma
 • Epilepsy
 • Altitude
Excretion Carbonic ... irrigation • Management ... Kidney stones caused ... and euvolemic hyponatremia ... #Excretion #Diuresis
Hyponatremia - Diagnosis and Treatment
Hyponatremia is usually caused by the inability to excrete water normally.
is usually caused ... 1) Is it hypotonic ... vaptans (HF/liver disease ... Diagnosis #Treatment #management ... #nephrology #sodium