51 results
Causes of Hypernatremia - Differential Diagnosis
Inadequate water intake:
 • Lack of access to water
Extrarenal hypotonic fluid
Causes of Hypernatremia ... • Osmotic diuresis ... • Central diabetes ... • Nephrogenic diabetes ... Diagnosis #Causes #nephrology
Hypernatremia Classification and Features According to Volume Status
 - Hypervolemic hypernatremia - Cushing's syndrome, Primary hyperaldosteronism,
Hypernatremia Classification ... - Osmotic diuretic ... , Loop diuretics ... Postobstructive diuresis ... Comparison #Table #Nephrology
Hypernatremia - Differential Diagnosis Workup Algorithm

1) Check Urine Osmolality:
 > 600 mOsm/kg - Implies extrarenal mechanism
Hypernatremia - ... • Hypovolemic: Diuretics ... osmotic (solute) diuresis ... • Euvolemic: Diabetes ... Workup #Algorithm #nephrology
Nephron - Diuretic Sites of Action

Source Text: https://www.sciencedirect.com/book/9780323449427/critical-care-nephrology#book-info

#Nephron #Diuretics #Site #Action #Location #Nephrology #Pathophysiology #Pharmacology
Nephron - Diuretic ... /critical-care-nephrology ... book-info #Nephron #Diuretics ... Action #Location #Nephrology ... Pathophysiology #Pharmacology
Diuretics sites of action on the nephron
1) Acetazolamide (carbonic anhydrase inhibitor)
2) Osmotic diuretics (e.g. mannitol)
3) Loop
Diuretics sites ... mannitol) 3) Loop diuretic ... Thiazides-type diuretics ... #pharmacology # ... nephrology #medications
Nephron Pathophysiology - Diuretic Sites of Action
Diuretics
1) Acetazolamide/canagliflozin
2) Osmotic agents (mannitol, urearetics)
3) Loop agents (eg, furosemide)
4)
Pathophysiology - Diuretic ... Sites of Action Diuretics ... Pathophysiology #Diuretics ... Sites #Action #nephrology ... #pharmacology
Diuretics and Agents Regulating Renal Excretion

Carbonic Anhydrase Inhibitors (Acetazolamide, Dichlorphenamide)
 • Glaucoma
 • Epilepsy
 • Altitude
nephrotic syndrome • Hyponatremia ... • Nephrogenic diabetes ... DDAVP) • Central diabetes ... and euvolemic hyponatremia ... #Nephrology #Pharmacology
Summary of Diuretic Agents 
Subclass, Drug, Mechanism of Action, Effects, Clinical Applications, Pharmacokinetics, Toxicities, Interaction
CARBONIC ANHYDRASE
Summary of Diuretic ... empagliflozin LOOP DIURETICS ... Tolvaptan #Diuretics ... #Medications #Pharmacology ... summary #table #nephrology
Hypernatremia Diagnosis and Workup

Step 1 . Repeat the sodium concentration.
Step 2.  Check plasma osmolality.
NORMAL PLASMA
Hypernatremia Diagnosis ... mmol/L - true hyponatremia ... volume loss - diuretics ... renal failure #Hypernatremia ... Workup #Algorithm #Nephrology
Renal Actions of Diuretics

#Diuretics #Sites #Action #Nephron #Pharmacology #Nephrology
Renal Actions of Diuretics ... #Diuretics # ... Action #Nephron #Pharmacology ... #Nephrology