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.
What is an electrocardiogram? An electrocardiogram (ECG) is one of the simplest and fastest tests used to evaluate the heart. Electrodes (small, plastic patches that stick to the skin) are placed at certain spots on the chest, arms, and legs. The electrodes are connected to an ECG machine by lead wires.