13 results
Hypernatremia - Differential Diagnosis Workup Algorithm

1) Check Urine Osmolality:
 > 600 mOsm/kg - Implies extrarenal mechanism
Diagnosis Workup Algorithm ... • Hypovolemic: Diuretics ... osmotic (solute) diuresis ... , Cushing syndrome ... #nephrology #sodium
Diuretics and Agents Regulating Renal Excretion

Carbonic Anhydrase Inhibitors (Acetazolamide, Dichlorphenamide)
 • Glaucoma
 • Epilepsy
 • Altitude
irrigation • Management ... • Hyponatremia ... • Nephrogenic ... and euvolemic hyponatremia ... #Nephrology #Pharmacology
Hypernatremia Diagnosis and Workup

Step 1 . Repeat the sodium concentration.
Step 2.  Check plasma osmolality.
NORMAL PLASMA
Hypernatremia Diagnosis ... Repeat the sodium ... volume loss - diuretics ... • nephrotic syndrome ... Diagnosis #Workup #Algorithm
Modified Hyponatremia Algorithm
Hypertonic Hyponatremia: Hyperglycemia, Mannitol, Urologic irrigants
Hypotonic Hyponatremia: 
 • ADH ON (UOsm > 100):
Algorithm Hypertonic ... Cirrhosis, Nephrotic syndrome ... , Medications (diuretics ... #Algorithm #diagnosis ... #sodium #nephrology
Physiologic Approach to Hypotonic Hyponatremia
The next time you have a case of hypotonic hyponatremia, give the
normal volume-based algorithm ... : SIADH, Renal Sodium ... loss (diuretics ... Cirrhosis, Nephrotic syndrome ... diagnosis #table #sodium
Hypernatremia - Differential Diagnosis and Treatment
Hypernatremia is almost always due to unreplaced water loss (free water
unavailable 2) Osmotic Diuresis ... Diabetes Insipidus: neurogenic ... , nephrogenic 4 ... Diagnosis #Treatment #management ... #nephrology #sodium
Metabolic Alkalosis - Urinary Chloride Algorithm
Cl- responsive metabolic alkalosis
 • Kidney loss of Cl-
Urinary Chloride Algorithm ... loop or thiazide diuretics ... pressure: Active diuretic ... use, Bartter syndrome ... , Gitelman syndrome
Outpatient Hypertension Management Algorithm
Monotherapy: 
 • Thiazide/thiazide-like 
 • ACE-I (non-black patients), 
 • ARB
Outpatient Hypertension Management ... Algorithm Monotherapy ... ACE-I or ARB + Diuretic ... Acute Coronary Syndrome ... • Acute Kidney
Hyponatremia - Differential Algorithm
Isotonic Hyponatremia: Hyperlipidemia, Hyperproteinemia, Recent TURP
Hypotonic Hyponatremia: 
 • Hypovolemia: Diuretics/Nephropathies, Vomiting, Diarrhea,
Algorithm Isotonic ... • Hypovolemia: Diuretics ... Cirrhosis, Nephrotic Syndrome ... #Differential #Algorithm ... causes #nephrology #sodium
Acute Kidney Injury (AKI) - Management Principles
Prerenal - Correct hemodynamic derangements:
 • If low preload →
Acute Kidney Injury ... (AKI) - Management ... high preload → Diuretics ... • Hepatorenal syndrome ... ureteral stent(s) • Neurogenic