Urinary potassium and transtubular potassium gradient are helpful to differentiate renal loss vs gastrointestinal (GI) loss of potassium.  When renal loss is suspected, the assessment of the acid/base status and urinary chloride helps in determing the underlying etiology of<unk> .
Hypokalemia laboratory findings
Hyperkalemia laboratory findings
Hyponatremia laboratory findings
Hypomagnesemia laboratory findings
Diastolic dysfunction laboratory findings
Hypocalcemia laboratory findings
Hypernatremia laboratory findings
Diabetes mellitus type 2 laboratory findings