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.
Electrocardiograms show the a graphic representation of the heart's various contractions and relaxations. This can be done, by hooking up an ECG machine to person, and running a stress test. The person may be asked to walk on a treadmill or lift weights until the heart rate gets up to a certain goal. You maintain that heart rate for several minutes as a cardiologist watches your ECG.