Changes in the electrocardiogram in the postoperative period.
D000302:Adrenal Cortex / Q000502:physiology*; D004562:Electrocardiography; D006801:Humans; D011184:Postoperative Period; D011188:Potassium / Q000097:blood*
D011188:Potassium
ADRENAL CORTEX/physiology; ELECTROCARDIOGRAPHY; POTASSIUM/in blood