27 results
Hyponatremia Differential Diagnosis Algorithm - Utilizing Uric Acid 
ADH promotes Urea/uric acid excretion along with water
Diagnosis Algorithm ... Serum Osmolarity 2) ... Urine Osmolarity 3) ... Acid → renal salt wasting ... #nephrology #sodium
Hypernatremia Differential Diagnosis Algorithm - Diabetes Insipidus Workup

Step #1 - Consider the history
Step #2 - Assess
Diagnosis Algorithm ... history Step #2 ... Uglucose Step #3 ... & desmopressin test ... #Sodium #nephrology
Hypernatremia Diagnosis and Workup

Step 1 . Repeat the sodium concentration.
Step 2.  Check plasma osmolality.
NORMAL PLASMA
Repeat the sodium ... Step 2. ... administration Step 3. ... Diagnosis #Workup #Algorithm ... #Nephrology
Cerebral Salt Wasting vs SIADH - Pathophysiology 
1) Neurological event
2) Sodium loss from tubules
3) Naturiesis →
Cerebral Salt Wasting ... Neurological event 2) ... Sodium loss from ... tubules 3) Naturiesis ... #hyponatremia #
Hyponatremia Diagnostic Algorithm
1) Check serum osmolality
2) Check urine osmolality
3) ADH Dependent - Check volume status, urine
Algorithm 1) Check ... serum osmolality 2) ... urine osmolality 3) ... status, urine sodium ... #nephrology
A lazy man's classification of hyponatremia
There are two possible approaches to the diagnosis of hyponatremia: .
essentially the same tests ... osmolality and urinary sodium ... no such thing, as ... cerebral salt wasting ... #Algorithm #Differential
Hyponatremia - Diagnosis and Treatment
Hyponatremia is usually caused by the inability to excrete water normally.
Then, ask 3 questions ... 2) Is ADH elevated ... up to 3x in the setting ... Treatment #management #nephrology ... #sodium
Urinalysis & Urine Sodium 
Theophilus Protospatharius, a seventh-century physician who wrote the first manuscript focused exclusively
Urinis", determined heating ... documenting proteinuria as ... Clarity Dipstick test ... Acute Kidney Injury ... (ATN) FE Na > 2%
Diagnosis Adrenal Insufficiency - Algorithm

Step 1) Screening Test: 6-8AM Cortisol Level
 - Early morning cortisol levels
Insufficiency - Algorithm ... require Cosyntropin testing ... Step 2) Confirmation ... Step 3) Differentiate ... primary vs secondary
Emergent Hyperkalemia Treatment Algorithm
ECG changes, weakness, K+ >6.5 Or renal insufficiency with K >5.5 with cellular
Hyperkalemia Treatment Algorithm ... ongoing rhabo, crush injury ... minutes, lasts -2 ... monitor glucose x 3 ... minutes, lasts ~2