Generally, morphine can be found in your system for a number of days after use. After one day, most of the morphine will leave the body. However, small traces of the drug can still be found up to 3 days later in urine and other waste products. There are various drug testing methods that can be used to detect morphine.
During the ECG. An electrocardiogram can be done in a doctor's office or hospital and is often performed by a technician. You may be asked to change into a hospital gown. Then you'll lie on an examining table or bed. Electrodes â typically 10 â will be attached to chest and sometimes to your limbs.
Definition. 1  Electrocardiography is a commonly used, noninvasive procedure for recording electrical changes in the heart. The record, which is called an electrocardiogram (ECG or EKG), shows the series of waves that relate to the electrical impulses which occur during each beat of the heart. The results are printed on paper or displayed on a monitor. The waves in a normal record are named P, Q, R, S, and T and follow in alphabetical order.