18 results
Hypernatremia Diagnosis and Workup

Step 1 . Repeat the sodium concentration.
Step 2.  Check plasma osmolality.
NORMAL PLASMA
Repeat the sodium ... Step 2. ... volume loss - diuretics ... HYPERVOLEMIC • CHF ... #Algorithm #Nephrology
Hypernatremia Differential Diagnosis Algorithm - Diabetes Insipidus Workup

Step #1 - Consider the history
Step #2 - Assess
Diagnosis Algorithm ... Diabetes Insipidus Workup ... history Step #2 ... #Sodium #nephrology ... #insipidus #DI
Hypernatremia - Differential Diagnosis Workup Algorithm

1) Check Urine Osmolality:
 > 600 mOsm/kg - Implies extrarenal mechanism
Algorithm 1) ... Check Urine Osmolality ... renal mechanism 2) ... #Algorithm #nephrology ... #sodium
Flowchart to diuretic use in acute heart failure.

(A) Congestion with volume overload. 

(B) Treatment algorithm after
intravenous; SGLT2‐I, sodium–glucose ... linked transporter 2 ... ultrafiltration; UO, urine ... #CHF #Algorithm ... #HeartFailure #Cardiology
Hypernatremia - Diagnostic Evaluation Algorithm
Step 1: Consider history. Most patients presenting with hypernatremia are either very
Diagnostic Evaluation Algorithm ... Step 2: Check Uosm ... If patient has DI ... #Diagnosis #Workup ... #Sodium
Hyponatremia Differential Diagnosis Algorithm - Utilizing Uric Acid 
ADH promotes Urea/uric acid excretion along with water
Hyponatremia Differential ... Diagnosis Algorithm ... Serum Osmolarity 2) ... 3) Urine Sodium ... #nephrology #sodium
Causes of Hypernatremia - Differential Diagnosis Algorithm
Hypernatremia - Excess free water loss, Serum Sodium >145 mmol/L
High
water loss, Serum Sodium ... 145 mmol/L High Urine ... administration • Osmotic diuresis ... glucosuria Low Urine ... #Nephrology #Differential
Cerebral Salt Wasting vs SIADH - Pathophysiology 
1) Neurological event
2) Sodium loss from tubules
3) Naturiesis →
Neurological event 2) ... Sodium loss from ... ) Naturiesis → diuresis ... → Increased urine ... #hyponatremia #
Physiologic Approach to Hypotonic Hyponatremia
The next time you have a case of hypotonic hyponatremia, give the
normal volume-based algorithm ... Urine Na+K / serum ... : SIADH, Renal Sodium ... diagnosis #table #sodium ... #nephrology
Causes of Hyponatremia - Differential Diagnosis Algorithm
Syndrome of Inappropriate ADH - Euvolemic; no physiologic stimulus to
Causes of Hyponatremia ... especially thiazide diuretics ... Reduced GFR, AKI/CRF ... Hypo-osmolar urine ... #Nephrology #Differential