120 results
Hyponatremia Differential Diagnosis Algorithm - Utilizing Uric Acid 
ADH promotes Urea/uric acid excretion along with water
Differential Diagnosis Algorithm ... Uric Acid - Low ... High Uric Acid → renal ... #nephrology #sodium ... #low #uricacid
True Hyponatremia Differential Algorithm

Instead (or in addition) of volume status examination, check urine sodium and serum
Hyponatremia Differential Algorithm ... acid: - Urine sodium ... low, uric acid ... and uric acid low ... #Differential #Algorithm
Physiologic Approach to Hypotonic Hyponatremia
The next time you have a case of hypotonic hyponatremia, give the
normal volume-based algorithm ... Sodium loss (diuretics ... can be high or low ... differential #diagnosis #table ... #sodium #nephrology
Volume Based Approach to Hyponatremia
Hypovolemic, Serum uric acid >4
 • Urine Na <20: Extra-renal losses
 •
Na <20: Extra-renal ... Hypothyroidism, Low ... #Hyponatremia #algorithm ... #diagnosis #sodium ... #low #nephrology
Hypernatremia - Differential Diagnosis Workup Algorithm

1) Check Urine Osmolality:
 > 600 mOsm/kg - Implies extrarenal mechanism
Diagnosis Workup Algorithm ... mOsm/kg - Implies renal ... • Euvolemic (Low ... , Ingestion Renal ... #nephrology #sodium
Diagnosis of Hypokalemia - Differential Algorithm 

Categorized by Causes: Redistribution, Extrarenal Losses, Renal Losses (High and
- Differential Algorithm ... Extrarenal Losses, Renal ... Losses (High and Low ... #Differential #Algorithm
Hypokalemia - Differential Diagnosis Algorithm
Extra-renal Losses:
 • Normal Acid-Base: Low intake
 • Metabolic acidosis: Gl tract
Differential Diagnosis Algorithm ... Extra-renal Losses ... Normal Acid-Base: Low ... loss (Diarrhea) Renal ... Differential #Diagnosis #Algorithm
Hypokalemia - Differential Diagnosis Algorithm

Transcellular Shift:
 • Alkalosis
 • ↑ beta-2 adrenergic simulation 
 • Erythropoiesis
Differential Diagnosis Algorithm ... Medications Renal ... Losses Non-renal ... vomiting) • Low ... #nephrology #low
Lactated Ringers (LR) vs Normal Saline (NS) - Comparison

Composition of LR:
 • Sodium 130 mEq/L
 •
filtration - Renal ... stretch - decreased renal ... blood flow and ... renal tissue perfusion ... Instability: - Renal
Hypernatremia Diagnosis and Workup

Step 1 . Repeat the sodium concentration.
Step 2.  Check plasma osmolality.
NORMAL PLASMA
Repeat the sodium ... HYPOVOLEMIC • extra-renal ... - fevers • renal ... nephrotic syndrome • renal ... Diagnosis #Workup #Algorithm