{5C22544A-7EE6-4342-B048-85BDC9FD1C3A} Problem Yes? Next step Are there electrolyte abnormalities? □ Test for hypo/h ypernatremia, hypercalcemia Other: If you cannot find a cause, also consider hypothyroidism (TSH), intoxication, eg, digoxin, theophylline, lithium; check blood levels of medications.