1897 results
Hyperkalemia: Diagnostic algorithm
Decreased renal potassium excretion
 • Acute renal failure
 • Chronic renal failure
 • Drugs
Increased
algorithm Decreased renal ... excretion • Acute renal ... • Congenital adrenal ... Addison's/congenital adrenal ... Diagnosis #algorithm #nephrology
Hyponatremia - Differential Diagnosis Algorithm
ADH Independent:
 • Tea and Toast Syndrome, Beer Potomania - Low solute
Renal Failure ... Hypovolemic - GI losses, renal ... Hypothyroidism, adrenal ... Algorithm #causes #nephrology
Hypernatremia Diagnosis and Workup

Step 1 . Repeat the sodium concentration.
Step 2.  Check plasma osmolality.
NORMAL PLASMA
HYPOVOLEMIC • extra-renal ... - fevers • renal ... hypothyroidism • adrenal ... nephrotic syndrome • renal ... Workup #Algorithm #Nephrology
Causes of Hyponatremia - Differential Diagnosis Algorithm
Syndrome of Inappropriate ADH - Euvolemic; no physiologic stimulus to
GI losses • Renal ... Hypothyroidism • Adrenal ... #Hyponatremia #Nephrology
Causes of Hyponatremia - Differential Diagnosis Algorithm
Syndrome of Inappropriate ADH - Euvolemic; no physiologic stimulus to
GI losses • Renal ... Hypothyroidism • Adrenal ... #Hyponatremia #Nephrology
Causes of Metabolic Alkalosis - Differential Diagnosis Algorithm
GI Losses - Gastric
 • Vomiting
 • NG suction
GI
Chloridorrhea Renal ... • Penicillins Renal ... Aldosterone-secreting mass • Adrenal ... MetabolicAlkalosis #NonGap #Nephrology
Modified Hyponatremia Algorithm
Hypertonic Hyponatremia: Hyperglycemia, Mannitol, Urologic irrigants
Hypotonic Hyponatremia: 
 • ADH ON (UOsm > 100):
Hypothyroidism, Adrenal ... diagnosis #sodium #nephrology
Causes of Hypokalemia - Differential Diagnosis Algorithm
Defining the cause of hypokalemia starts by measuring urinary K
gastrointestinal K loss • Renal ... hypokalemia • Renal ... syndrome, Congenital adrenal ... algorithm #causes #nephrology
Hypokalemia Differential Diagnosis Algorithm
Hypertensive:
 • High Al, Low R - Primary aldosteronism
 • High Al, High
Syndrome, Congenital Adrenal ... Diagnosis #Algorithm #nephrology
Physiologic Approach to Hypotonic Hyponatremia
The next time you have a case of hypotonic hyponatremia, give the
≥100): SIADH, Renal ... Hypothyroidism, Adrenal ... Present (Uosm <100): Renal ... Hypervolemia with poor renal ... table #sodium #nephrology