Ultrasound is not useful in diagnosis of<unk> . However, ultrasound may be helpful in the diagnosis of causes of<unk>  including renal cell carcinoma and hyperparathyroidism.
Hypercalcemia echocardiography or ultrasound
Hypocalcemia physical examination
Hyperkalemia physical examination
Hypercalcemia physical examination
Hypomagnesemia physical examination
Jaundice echocardiography or ultrasound
Hyponatremia physical examination
Acute liver failure echocardiography or ultrasound