19 results
Hypernatremia Diagnosis and Workup

Step 1 . Repeat the sodium concentration.
Step 2.  Check plasma osmolality.
NORMAL PLASMA
Hypernatremia Diagnosis ... Repeat the sodium ... HYPERVOLEMIC • CHF ... • nephrotic syndrome ... #Algorithm #Nephrology
Hypernatremia - Differential Diagnosis Workup Algorithm

1) Check Urine Osmolality:
 > 600 mOsm/kg - Implies extrarenal mechanism
Differential Diagnosis ... Workup Algorithm ... , Cushing syndrome ... #Workup #Algorithm ... #nephrology #sodium
Acute Kidney Injury (AKI) - Differential Diagnosis Framework
Pre-Renal:
 • Hypovolemia, Cardiorenal, Distributive Shock, HRS, Hypercalcemia, Renal
Acute Kidney Injury ... - Differential Diagnosis ... Abdominal Compartment Syndrome ... Nephrolithiasis) • Neurogenic ... #causes #algorithm
Hyponatremia - Differential Diagnosis Algorithm
Hypovolemic - Give volume
Hypervolemic (Edematous) - Look for and treat underlying cause
Diagnosis Algorithm ... underlying cause (CHF ... cirrhosis, nephrotic syndrome ... #Algorithm #diagnosis ... #nephrology #sodium
Hypernatremia - Differential Diagnosis and Treatment
Hypernatremia is almost always due to unreplaced water loss (free water
Differential Diagnosis ... Diagnosis is primarily ... Diabetes Insipidus: neurogenic ... #Treatment #management ... #nephrology #sodium
Hyponatremia - Diagnosis and Treatment
Hyponatremia is usually caused by the inability to excrete water normally.
Hyponatremia - Diagnosis ... demyelination syndrome ... include vaptans (HF ... #Treatment #management ... #nephrology #sodium
Acute Kidney Injury (AKI) - Management Principles
Prerenal - Correct hemodynamic derangements:
 • If low preload →
Acute Kidney Injury ... (AKI) - Management ... • Hepatorenal syndrome ... ureteral stent(s) • Neurogenic ... #Injury #treatment
Shock - Differential Diagnosis Framework
 - MAP <65. SBP <90, drop in SBP > 40
 -
Medications, Spinal Cord Injury ... Decompensated CHF ... Abdominal compartment syndrome ... #criticalcare #algorithm ... #treatment #management
Diuretics and Agents Regulating Renal Excretion

Carbonic Anhydrase Inhibitors (Acetazolamide, Dichlorphenamide)
 • Glaucoma
 • Epilepsy
 • Altitude
Diagnosis of ... irrigation • Management ... • Hyponatremia ... Tolvaptan) • Treatment ... and euvolemic hyponatremia
Rhabdomyolysis - Differential Diagnosis Framework and Management Summary

Causes of Rhabdomyolysis:
 • Trauma:
	- Immobilization
	- Crush injury
	- Compartment
- Differential Diagnosis ... Framework and Management ... Hyperuricemia • Hyponatremia ... nephrotoxicity to kidney ... #Management #causes